183 



Juab, Utah soems to be the same. 



140. Astragalus Panamintensis Sheldon in Coville Death Valley 

 Itep. 87 (ISO;!). Tods about l.H cm. lonjr, 3 mm. high and 2 mm. wide, 

 iU'shy when fresh witii walls about Vz mm. thick })ut cuttinj? hard, 

 coriaceous when dry, rather deeply snlcate aionj: the middle but not at 

 all at eithior end, with septum intruded nearly through below but not 

 at tip, jointed to calyx and almost sessile, minutely purplish-mottled, 

 faintly cross-ribbed, ashy, with ventral suture conspicuously thickened 

 and raised, th<> tip straight and almost in the middle, cross section Y- 

 shaped when dry, mostly single at the ends' of the filiform peduncles. 

 Flowers 1.2-1.5 cm. long, not broad, white, tipped with purple, banner 

 oval-ovate, about 1 cm. long, abruptly arched to 90° at calyx tips, 

 sides not refiexed, groove narrowly-V-shaped and extending to tip; 

 white spot tridentate and oblong, waterlined only. Wings 2 mm. wide, 

 3 mm. longer than keel obliquely spatulate, convex to keel, expanded 

 part mostly beyond keel, rounded, white below and purple above. 

 Keel about 2 mm. long and high, arched to a half circle from very 

 base, obtuse, bellied below. Calyx tube nigrescent, a trifle arched, the 

 lower sidi> barely concave and the upper side convex, not cleft deeper 

 iibove, narrowly campanulate , about 4 mm. long and 2 mm. high, neither 

 oblique nor truncate below. Teeth, subulate and about as long. Pedi- 

 cels 2-3 mm. long, slender. Twice as long as the ovate bracts. Peduncles 

 v.-eak, arched, 3-5 cm. long. Leaves 7-12 cm. long, with filiform rachis. 

 Ijeallets 4-5 pairs, 4-12 mm. long, linear to almost Ji.'iform, acute at 

 both ends, rather falcate. Stems rather short and very slender, 4-15 

 cm." long with internodes 7-10 mm. long, woody at base, the tips erect. 

 Pubescence of whole plant rather dense and iioary with short and 

 appressed hairs. Growing in broad mats on clifi-^. Lower Temperate 

 life zone, in canons. Panamint Mis., California. Tlic old stems endure 

 from year to year and the old gray petioles help t;i give the whole 

 a lirdsnest api)earance. 



