LEGUMINOSA. | 265 
(Potts); Sours Mexico, in the valley of Mexico, near Gasave (Humboldt & Bonpland), 
Pefion Viejo, at- 7000 feet (Galeotti, 3359), plain of Mexico (Graham), Llanos de Perote 
and between Tenestepeque and Quantotalapa (Schiede & Deppe), Yotla (Andrieux, 450), 
valley of Mexico (Schaffner, 107), without locality (Bates, 1). Hb. Kew. 
10. Astragalus hypoleucus, Schauer in Linnea, xx. p. 747. 
Sour Mexico, in the mountains of Mexico (Aschenborn, 343). 
11. Astragalus leptocarpus, Torr. & Gray, Fl. N. Am. i. p. 334; Gray in Proc. 
Am. Acad. vi. p. 200. 
Tuxas.—Norta Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry 
& Palmer, 176). Hb. Kew. 
12. Astragalus mexicanus, A. DC. Pl. Rar, Jard. de Genéve, cinquiéme Not. 
p. 16, t. 3, excl. figg. 6 et 7. 
Astragalus trichocalyx, Nutt. 
This has not been found in Mexico proper, but in a contiguous part of Texas. 
13. Astragalus mollissimus, Torr. in Ann. Lyc. N. York, ii. p. 178; Gray in 
Proc. Am. Acad. vi. p. 195. 
New Mexico; Texas.—Norta Mexico, Chihuahua (Potts). Hb. Kew. 
14. Astragalus nuttallianus, A. Gray, in Proc. Am. Acad. vi. p. 99. 
Trxas ; New Muxico.—Norta Mzxico, Coahuila, Chihuahua, and Sonora (Torrey). 
15. Astragalus nothoxys, A. Gray, in Proc. Am. Acad. vi. p. 232. 
Norra Mzxico, North Sonora (Smith). 
16. Astragalus orthanthus, A. Gray, in Proc. Am. Acad. vi. p. 195, in adnot. 
Soutn Mexico, sandy hills near Perote (Halsted). Ub. Kew. 
17. Astragalus (Euastragalus) oxyrhynchus, n. sp. 
Cespitosus, incanus, ramis gracilibus numerosis adscendentibus, foliolis 6-9-jugis lineari-oblongis, 
racemis densis longe pedunculatis, floribus parvis, calycis nigro-hirsuti lobis subulatis tubum 
sequantibus, vexillo insigniter striato, legumine perfecte biloculari parvo ovato-oblongo aculeato- 
rostrato arcte reflexo. 
Herba perennis, czespitosa, incano-strigillosa, ramis e radice crassa numerosis adscendentibus gracili- 
bus, dense foliosis, 6-9-pollicaribus. Foha usque bipollicaria ; foliola 6-9-juga, breviter petiolu- 
lata, lineari-oblonga vel subovata, 3-5 lineas longa, obtusa, pracipue subtus albo-strigillosa ; 
stipule oblongo-lanceolate, obtuse vel acute, petiolo basi adnatee, persistentes. Flores racemosi, 
brevissime pedicellati, 24-3 lin. longi; racemi longe pedunculati, densi, 15-20-flori, bracteati, 
pedunculis gracilibus quam folia longioribus ; bractez scariose, lineari-subulate ; calyx nigro- 
hirsutus, simul parce albo-strigillosus, lobis subulatis, tubum zquantibus; vexillum insigniter 
striatum. Legumen sessile, arcte reflexum, ovato-oblongum, circiter 3 lin. longum, glabrum, 
aculeato-rostratum, cylindricum, sutura dorsali intrusa, perfecte biloculare, oligospermum. 
Sourn Mexico, Tizapan, valley of Mexico (Bourgeau, 329). Hb. Kew. 
A very distinct small-flowered species, remarkable for the prominently-striped 
standard and closely deflected small sharply-beaked pods. 
BIOL. CENT.-AMER., Bot. Vol. 1, Fed. 1880. 2m 
