ASTRAGALUS.

LEGrUMINOSAE.

739

supra glabrescentibus glabrisve; pedunculis folium subaequantibus; racemo brevi6—10 floro , floribus ( 6—8 lin. long.) subpatentibus; calycis dentibus attenuafco-subulatistubo oblongo-campanulato aequilongis; corolla ochroleuca (viridulo-lutea) carina ap.purpurascente legumine pollicari hirsuto coriaceo subinflato ovato-lanceolato acuminatoincurvo 1 loculario, suturis utrinque leviter intrusis.

A. succumbens Torr. et Gr. in Pacif. Rail. R. Rep. 2 (coli, Popo) p. 163., non Dougl.Copiose in ripis arenosis fluminis Ciear Creek.

101. A. (Phaca) PURSHII Dougl. — Report of the bot. of the exped. of Capt. Gunnison etBeckwith, in 1854. (edit. 1857.) p. 6 . — Phaca mollissima Nutt. (Walp. rep. I. p. 689.n. 95. et Walp. Anu. IV. p. 495.) — Prope Humboldt River.

Genus Phacam generi Astragalo iterum readjungens , nomen primum Douglasianumest restaurandum, tum juro prioritate quum jam alia species sub nomino A. mollissimiexistit.

102. A. PUSILLUS Vogel (Walp. Rep. I. 696. 17.) — Wedd. FI. And. I. 239. p. 79. 3. —Peruvia et Bolivia in Andibus.

102a. A.? SEGETHI Ph. n. sp. — Linn. 33. p. 47. — Pr. argentifodinam Las Aranas inAndibus Santiagauis (Ph.)

103. A. (Homalobus) SEROTINUS Gray. — Pacif. R. R. Surv. v. XII. 2. bot. p. 51.tab. V. — Pr. Columbia Riv. (lat. 48.)

104. A. SOLANDRT Lowe in Hook. bot. n. VIII. p. 294.

Herbacea, annua villoso-pubescens, caulibus prostrato-adscendentibus diffusis, folio-lis multijugis ovalibus v. oblongo-ellipticis retusiusculis superne glabris inferne hirto*canescentibus, pedunculis elongatis folio longioribus multifloris pedicellis fructiferis de-flexis , leguminibus pendulis falcatis compressis dorso late canaliculatis acutis adpressestrigoso-pubescentibus.

A. canescens Sol. ms. in herb. Banks nec DC.r Hab. in Portu Sancto vulgatissimus.

105. A. TARIIENSIS Wedd. n. sp. FI. And. I. p. 262. — Bolivia in rupibus humidis(Wedd.).

106. A. TRIFOLIATUS Ph. — Linn. 28. p. 681.

A. caulibus 4 pollicaribus, sicut tota planta argenteo-lanuginosis; foliis plerisquotrifoliatis, foliolis subrhombeis, pannosis ; stipulis foliola vel petiolum subaequantibus,late triangularibus, argenteo-villosis; racemis subcapitatis, folium ter aequantibus; ca-lycis campanulati dentibus subulatis, tubum aequantibus; corollis calycem bis aequanti-bus, violaceo.-caeruleis, basi luteis; leguminibus ovato-falcatis, villosis.

In Andib. prov. Santiago reperitur. — Radix lignosa, 2V s lin. crassa, petioli 2 J / 2 lin.;foliola 4 lin. longa, 3 1 j i lin. lata: pedunculi fructiferi usque ad primum florem 10—12 lin.,calyx 1 1 /j, corolla 3‘/ 2 —4, legumen 5 lin. longum, 2 J /* lin. latum.

107. A. (§. 1. radiciflores) UNIFLORUS DC. — Wedd. FI. And. II. p. 256. tab. 79. bis A.— Peruvia et Bolivia (Domb. Gay, Mandon Wedd.).

108. A. VOLKMANNI Ph. (An. univ. Chii. 1861.1. p. 46.) — In prov. Atacama (Volkmann).108 a. A. (Phaca) UTAHENSIS Torr. et Gray. — Report of the bot. of the exped. of

Capt. Gunnison and Beckwith in 1854. (edit. 1857.) p. 6 . — (Phaca mollissima /5. Uta*hensis Torr. in Stansb. Rep. [Walp. IV. p. 495. 1.])

Caespitosa, mollissime et dense albo-tomentosa 5 caules breves depressi; foliola6 —9 juga, late obovata v. suborbicalaria; stipulae lanc., subulatim acuminatae, liberae;pedunculi folia aequantes v. superantes, subcapitato 3—6 flori; bracteae setaceae pedi-cellis duplo longiores; calycis dentes subulati, tubo cylindrico multo breviores; corollaviolaceo-purpurea, legumina villosissima sessilia oblonga, acuminata, incurva 1 Iocularia.Prope Lone Rock, vers. merid. lacus magni salsi. — FI. Majo.

A. Pursbii Dougl, aff. sed ab eo distinctus.