417

Trife. III. PANICEAE.

(Continuat.)

B. Spiculae involucro proprio destitutae (cfr. Chamaerhaphis).

I. Hores polygamo-dioici. Spiculae 2-florae, et androgynae in distinctis plantis, hae ad basio

rhacheos longae subulato - aristaeformis solitariae, illae spicatae. : Flor, subaequales.Glumae 2 membranaceae, canaliculatae, superior paulo longior. Paleae 2 membranae., in-ferior oblonga, canaliculata; super. 2-carinata, carinis ciliatis. Stam. 3. Squam. 2 carnosae,integrae, glabrae. Androgynae flos infer, d 1 v. neuter, 1-2-paleac., membranae.; superior ?, 2-paleac.Glumae ovatae, concavae, subaequales. 5 : Paleae coriac., oblongae, concavae, infer, superiorem 2-nerv. amptectens. Stam. 3, filam. longiss. Styli 2 term., basi connati ?, longissimi; stig. plumosa, elon-gata, piiis simpl. Squam. 2 carnosae. Caryops. paleis inclusa, libera, oblonga, compressa, glabra.(Gram. litoral., repent., suffrutesc., ramosa; spicae d 1 pedunculatae, umbellato-congestae, rhachi apicenuda pungente haud articulata, spiculis sessil. basi articulatis; $ fasciculato-capitatae. — iVotr. Holi.,Ind. or.) .

II. — Omnes unisexuales monoici (interdum neutris mixli), o» et 2 in eadem, rarius in

diversa inflorescentia, <JS nulli. Caryops. glabra, paleis inclusa, libera (cfr. Strephium).

1. Styli 2 (3 ex Br .); stig. plumosa, pilis simpl. Squam. in et Q 2 collaterales, membranae .,

obtusatae, glabrae, Spic. 2-Qorae, ad basin arista longa persist. (involucro 1-seto?) prae-ditae, spicalae V. racemosae. Flor. 2-paleac., mutici, infer, db super, minor ?. Glumae 2, infer,minata, super, florem <** aequans membranacea. Pal. in o* membranaceae, in $ chartaceae concavae,demum cartilagineae, infer, superiorem 2-nerv. amplectens. Stam. 3; in $ 2 anth. elioetis difform.(Fol. plana. — Nov. Holi.) .

2. Stigm. 2, term., subsessilia, plumosa, pilis simpl. v. bifidis denticulatis. Squam. 2 carnosae,

glabrae, in d 1 truncato-sub-3-lobae, in 2 truncato- 2 -lobae. Caryops. oblonga, subteres.Spic. 2-florae (fl. super, d* v. ?, infer, neutro 1-paleaceo, glumae simillimo), 2 radicales,pedunc. longis fasciculat., fructiferis subterraneis; d" term., racemoso - paniculatae, cum pe-dicello continuae. Gluma 1 (inferior nulla) membranae., concava, mutica, in 2 multinervia, paleisvix brevior. Paleae 2 subaequales, coriac. v. chartaceae, glumae conformes (in 2 acutatae) infer, su-periorem 2-nerv. amplectens. Stam. 3 (in 2 elfoeta). Pistill. in d 1 effoetum. (Culmi caespit., fol. etvagin. pilosis. — Amer, bor.) .• . . .

3. Stylus 1; stig. 2 pilosa, pilis ramosis pubescentib. Squam. in & et 2 3, subcarnosae, glabrae.

Spiculae d* et 2 in eadem panicula, cum pedicello articulatae; d* 1-florae; $ terminales,2-11., flore infer, neutro 1-paleaceo glumae simili. Glumae membranae., concavae, acuminato-aristatae; inferior in 2 deficiens, superior in 2 2-nervia. Paleae in d 1 nullae, in 2 2 coriaceae, glu-ma breviores, infer, concava superiorem parinerviain arcte involvens. Stam. 3, in 2 nulla. (Fol. lata,plana, nervosa; panic. term., rarius ax. et depauperatae. — Amer. trop., Coclunch.) .

4. — 1, longissimus, capillaris, planus , apice exsertus. . . . Caryops. glumis induratis arcte

inclusa. Squam. . . . ? Spiculae 1-florae, d 1 in panicula term. subgeminae, 2 in spicislateralib. simpl. cylindr. articulatis dense involutis. Glumae 2; in 2 coriaceae; exter, obliqueobovata, truncata, clausa, marginib. antice apertis interiorem minorem amplectens. Pal. 2 tenuiores,gluma minore inclusae. Stam. 3. ( Mexico.) . ............. .

5. — 1; Stigm. 2. . . . Squam. nullae? Caryops. oval., paleis persist. corticata. Spic. 1-florae,

muticae, racemosae, racemis axillarib., inferiorib. ?, super, d 1 - Glumae 2, acuminatae, intd angustae, in 2 latiores. Paleae in d* nullae, in 2 2 cartilagineae. (Cnlmi caespitosi; fol. distieba;racemi pauciflori. — Brasil.) .

III. Flores aut omnes aut polygamo-monoici.

A. Spiculae 'fL-jlorae (cfr. Latipes), flore superiore plerumque inferiore d" v. neutro.!§qnamillae liypogynae 58» (cfr. Berchtoldia), rarius unica (cfr. Melinis).

I. Glumae nullae. Flos inferior neuter, 1-paleaceus; superior paleis 2 nitidis, membranae.,

lanceolat., infer. 3-nerv. acutato - subulata superiorem (in fl. neutro deficientem) obso-lete 2-nerv. involvente. Stam. 2. Styli 2 term., stig. aspergilliform., pilis simpl. Squam.2 bilobae, glabrae. Caryops. paleis inclusa, oblonga, subcompressa, libera, glabra. (Gram. ramos.,repens; spicae quaternae v. quinae, spiculis unilateral. rhachi haud articulata. — Brasil.) ....

II. Gluma unica, superior; inferior obsoleta v. plerumque nulla. Caryops. paleis plerumque in-

duratis inclusa, libera, glabra.

1. Gluma membranae., florib. brevior , ovato - oblonga, concava, inferior nulla. Spiculae 2-

florae; spicularum 1-2 inferiorum cujusque spicae flos superior (exterior) ?, inferior d 1 »in spic. superiorib. uterque d 1 . Paleae 2 subaequales, in ? chartaceae, muticae, infer, con-cava superiorem 2-nerv. amplectens; in d 1 membranaceae, infer, ovata acuta, superiorem 2-cari-natam amplectens. Stam. 3. Squam. 2 carnosae, truncato-subemarginatae, glabrae. Ovar. interstylos 2 term. in acumen productum; stig. dense plumosa, pilis longis simpl. Caryops. eltipt.,compressa, laevis. (Culmi repent., ramosi; spiculae paucae in spicam term. brevem secundamvagina aphylla diu velatam congestae, rhachi haud articulata basi geniculata fruct. involvente. —Australia, Madagasc.) .

2. — membranae., villosa, mucronata v. infra apicem bifidum setigera; inferior minima

v. in annulum villosum hinc lobulatum deliquescens. Spiculae laxe paniculatae, 2-florae, fl. infer, d 1 v. subneutro, super, minore §*• Paleae in d* glumae similes, supe-riore minore 2-dentata; in 5 chartaceae, inferiore emarginnlata. Stam. 3. Squam. exiguae, an-guste obconicae. Styl. . . . (Pedicelli apice articulati. — Afr. austr., Abyssin.) .

3. — flori inferiori similis, inferior exigua v. plerumque abortiens. Spic. 2-fl., basi arti-

culatae, in spicas paniculatas dispositae, rhachi haud articulata; fl. super. ? 2-paleac.,inler. neulro 1-paleac. V. rarius d 1 2-pal. Pal. coriaceae, inferior mucronata v. mutica.Stam. et squam. fere Thouarene. Styli 2 distincti; stig. penicilliform., pilis denticulat. interdumbilidis. Caryops. cum paleis decidua, ellipt., compressa, laevis. — {Amer., Afr., Asia et Auslral.trop. et tenip.) .

4. — mutica . membranaeconcava (inferior abortiens). Spic. 2-fl., cum pedicello Aaud

articulatae, diffuse paniculatae; fl. infer, neutro 1-paleac. glumae simili, super. ? 2-paleaceo. Pal. subcoriac., muticae; infer, concava, superiorem 2-nerv. amplectens. Stam. 3.Squam. 2 ovarinm superantes, carnosae, snbintegrae, glabrae. Styli 2 term. brevissimi; stig.plumosa, pilis distichis denticulat. bifidis. Caryops. oblonga, subcompressa, laevis. — (Eur., Amer.,Asia, ins. Mascaren.) ..

5. — florem neutrum aequans (inferior exigua v. plerumque nulla). Spic. 2-fl., cum

pedicello articulatae, in spicam secundam haud articulatam dispositae, tardius deciduae;fl. infer, neutro 1-paleac. membranae, mutico, super. 5 bipaleac. Pal. stam. et caryops.Milii. Styli 2 term., liberi; stig. aspergilliform., pilis subsimpl. denticulat. Squam. 2 carnosae,integrae, truncatae v. dolabriform., glabrae, ovario breviores. — (Heg. trop. et subtrup. lotius orbis).

III. Glumae 2 perfectae, inaequales, raro subaequales (cfr. Isachne) v. inferior minima (cfr. Stenota-

phrum, Melinis, Khynchelytrum, Thrasya).

A. Stamina 3 (rarissime 2, cfr. Thrasya).

a. JFlos inferior cujusque spiculae neuter (raro d 1 , cfr. Panicum, Oplismenus, Isachne.)

£ Glumae aristatae, v. setaceo - acuminatae (raro in Oplismeno muticae).

1. Styli 2, term., Iasi connati, longi; stig. plumosa, pilis simpl. Squam. 2 hyalinae, minutae, trunca-tae, glabrae. Caryops. Milii. Spiculae in spicas term. dispositae, 6-8 fasciculatae, 2-florae,3-5 minores steriles. Glumae lanceolato-sulmlalae, subplanae, rigidae, exterior brevior coriaceo-indurata. Pal. 2 rigidae, acutatae, concavae, in ? subaequales; exterior in fl. neutro maxima ovata,pungens, multinervia, margine undulata, inferne florem ij! dimidio breviorem ampleclens, interior mi-nuta membranacea; inferior in 5 superiorem 2 -nerv. ampleclens. Filam. longissima. (Culmi ramosi;spicae term., conjugatae, rliachi dilatata membranacea articulata, articulis basi intus dente laceroauctis. — Ind. or.) .

2, term., elongali; stig. aspergilliform. . . . Squam. . . . Caryops. oblonga, cylindr., apice 2-cornuta, scntello magno instructa. Spic. in panic. contractam snbsecundam dispositae sub-solitar., 2-fl-, flore inf. neutro 1-paleac., super. ?. Glumae lanceolatae, arista longa recta’terminferior paulo major basi convoluta stipitiform. barbata. Pal. aristalo-mucronatae, in fl neutro glumisconform.; inferior in $ ovalis, cartilaginea, superiorem minorem obtusam superne denticulatam invol-vens. (Culm. simpl.; vaginae compressae; rliachis liaud articulata. _ Mexico.)

2 term ., elongali, stig . plumosa, pilis simpl. Squam. 2 carnosae, collateral., truncatae, glabraeCaryops. Eriochloae. Spic. in spicas racemosas v. paniculatas dispositae, 2-fl., flore infer, d 1v. neutro I-2-paleac., super. ? . Glumae 2 membranae., inaequal., concavae v. carinatae, plerumquearisfatae. Pal. in fl. d 1 v. neutro membranae., infer, aristata; in ? coriaceae, infer, concava, mucro-nato -acuminata, superiorem parinerviam ampleclens. (Rtiachis haud articulata.

Glumae muticae (v. pag. sequ.).

Totus fere orbis.)

Spinifex. L.

Chamaerhaphis. II. Br.

Amphicarpum. Raf.

Olyra. L.

Euchlaena. Scurad.

Strepbium. Schrad.

Reimaria. Fiuegge.

Thouarea. Pkrs.

Tricholaena. Schrad.

Eriocbloa. Ii. B. K.

Milium. L.

Paspalum. L.

Trachys. Pers.

Berchtoldia. Prksl.

Oplismenus. Pal. B.