70

oleo inoocla contra lepram sumi, Rheedius narrat, similia Guianenses doXyride americana Valil., Brasilienses,de Xyride vaginala Spreng. praedicant.

Ordo XIiTIII. Coinmelynaceae.

Herbae annuae radice fibrosa, v. perennes rbizomate tube-roso. Caules teretes, nodosi. Folia alterna, simplicia, integra,basi vaginantia, plana v. canaliculata, nervosa, vagina integra.Flores completi v. germinis abortu incompleti, regulares v. sub-irregulares, solitarii, fasciculati, umbellati v. racemosi, bracteativ. involucris spalhaeformibus, cucullatis aut complicatis, mono-di-phyllis cincti, saepissime caerulei, rarius albi, rosei, purpurei v.flavi. Perigonium duplex, utrumque triphyllum, exterius calyci-num, persistens, interius corollinum, foliolis liberis, sessilibus v.unguiculatis, rarissime' ima basi in tubum brevissimum coalitis,caducis v. marcescentibus, quandoque demum carnoso-incrassatis,uno in plurimis dilformi, nano v. obliterato. Stamina 6, subgermine inserta, perigonii foliolis opposita v. ternatim npproxi-mata, rarissime abortu pauciora 3 v. 5, saepissime nonnulla ca-strata, decidua v. rarissime persistentia. Filamenta filiformia,plerumque pilis articulatis barbata, apice in connectivum dilatata.sljilherac introrsae, biloculares, loculis discretis connectivummarginantibus, rarissime eidem antice adnatis, parallelis et con-tiguis, longitudinalitcr dehiscentibus, nunc omnes fertiles, nuncnonnullae effoelae et dilformes. Germen liberum, triphyllum,carpophyllorum marginibus in dissepimenta retroflexis triloculare.Gemmulae loculorum angulo centrali nunc trophospermiis nervifor-mibus biseriatim insertae, paucae aut rarissime plurimae, peltatae,nunc geminae, basifixae, collaterales, nunc binae, superpositae,altera erecta, altera pendula. Stylus simplex; stigmate indiviso,v. dilatato et obsolete trilobo aut interdum excavato. Capsulasaepissime perigonio persistente stipata, in nonnullis baccantevestita, tri— v. abortu bilocularis, loculicide bi-lrivalvis, valvismedio septiferis, rarissime indebiscens, pericarpio fragili. Se-mina intra loculos pauca, interdum abortu bina v. solitaria, ovata,angulata v. subquadrata, integumento exteriore membranaceo,duriusculo, rugoso v. scrobiculato, albumini arcte adhaerente.Hilum ventrale impressum, v. basilare latum, in nonnullis arillocarnoso, trophospermio continuo velatum, papilla embryotegahuic e diametro opposita. Embryo jn foveola albuminis, hilo dia-metraliter opposita infra papillam antilropus, trochlearis.

Genera.

102 S. Commelyna Jtitlen.

u. Cummelynn It. Hr.

Heii„ igia Medi!,'.t.ecliea Lour.

A Utif.

— Palisola Reichenb.1029. Pollia Thunb.

Aclisitt E. Mey.

Lanijirocarpos lilem.

b . Amiilfma R. Rr.

Ajtliilax tjalinb.

1020. Callisia Eiiffi.

Hapalaullnni Jarq.