10 BOTANY. 
TRIFOLIUM SUBCAULESCENS, (sp. nov.;) caespitosum, nanum, cinereo pubescens, foliorum pa- 
gina superiore excepta; stipulis ovatis dentatis; foliolis obovatis oblongiusve rigidulis striato- 
venosis rigido-denticulatis seepius mucronatis nec retusis pedunculis petiolos radicales haud 
superantibus ; capitulo nudo pluri floro; calycis villosi, dentibus lanceolato subulatis tubo sub- 
longioribus corolla alba dimidio brevioribus. 
In pine forests of high table-lands near Fort Defiance; May 22. Flowering stems or scapes 
2 or 3 inches high, usually 1—2-leaved below, perhaps elongating and more leafy later in the 
season. Radical stipules scarious or membranaceous; the cauline ones smaller and more folia- 
ceous, or rigid, like the leaflets. The latter are half an inch or an inch in length. very strongly 
veined on both surfaces, the upper quite glabrous. Head 12-15-flowered; the flowers half an 
inch long, resembling those of T. longipes, except as to the calyx, the teeth of which are much 
broader and shorter. 
Dana spinosa, Gray, Pl. Thurb., p. 315. On the Colorado, Carisso creek, &c. ‘Tree 
sometimes 20 feet high.’’? Young plants bear some thick phyllodia-like leaves, an inch or two 
in length. 
DaLea EMorYI, Gray, 1. c. Colorado desert, forming low tufts, 2 or 3 feet high. 
Daea Formosa, Torr. in Ann. Lyc. N. Y. 2, p. 18, and in Emory, Rep. t. 1. Banks of the 
Puerco, New Mexico; May 30. 
Datea MOLLIS, Benth. ; var. Neo Mexicana, Gray, Pl. Wright. 1, p. 41. Sandy arroyos along 
Colorado; January 25. 
ASTRAGALUS NuTTALLIANus, DC.; Torr. & Gray, Fl. 1, p. 334. Jesup Rapids; February | 
20. Further west than this species has been found before, but it is common in New Mexico. 
ASTRAGALUS MISSOURIENSIS, Nutt,; Torr. & Gray, l.c. Yampai valley to Little Colorado; 
ASTRAGALUS DipHysus, Gray, Pl. Fendl., p. 34. Banks of Little Colorado; May 5. And var. 
ALBIFLORUS, Gray, l.c. Peach Orchard Spring, Moqui country, flowers yellowish-white. 
ASTRAGALUS SUCCUMBENS, Dougl. in Hook. Fl. Bor.-Amer. 1, p. 151? Leroux’s Spring; 
April 28. In flower only. 
ASTRAGALUS (PHACA) FILIFOLIUS, Gray in Stevens's Pacific R. R. incd. cum. i. e. 
Phaca longifolia, Nutt. in Torr. & Gray. Fl. 1, p. 346. 
Psoralea longifolia, Pursh. Orobus longifolius, Nutt. Gen. Sandy hills, Moqui villages, New 
Mexico; May 14. ‘‘ Flowers greenish-yellow, or greenish-purple, becoming yellow. Pod mot- 
tled crimson and yellow.”’ 
ASTRAGALUS (PHACA) TRIFLORUS, Gray. Pl. Wright. 2, p. 45. Phaca triflora, DC. Banks of 
Little Colorado. Peduncles often many-flowered. 
AsTRaGALUS (PHaca) FEnDLERI, Gray, Pl. Fendl., p. 36, and Pl. Wright. 2, p. 44. Fort Defi- 
ance; May 23. A small form. 
ASTRAGALUS (PHACA) CHAMALEUCE. 
Phaca pygmea, Nutt. in Torr. & Gray, Fl. 1, p. 349. Common on high table-lands from 
__ Colorado to Rio Grande. In flower only. There is a prior A. pygmzeus. 
___ Latayrus potymorpnus, Nutt.; Torr & Gray, Fl. 1, p. 277. Banks of Colorado Chiquito, 
_ New Mexico; May 1. Also a narrow leaved variety at The Oaks, California. 
 Sopnora STENOPHYLLA, (sp. nov.;) herbacea, nana, pube villoso sericea undique incana; cau- 
_ libus e radice perenni ramosis; foliis impari pinnatis sessilibus, foliolis 5-9 linearibus vachi 
_ brevi paullo latioribus, parvi infimo cauli adproximato stipulas mentionte; racemo spicato plu- 
ifloro; calycis dentibus subulatis tubo campanulato subdimidio brevioribus ; corolla late 
erulea, vexillo integro, carine petalis obtusissimis; staminibus omnino liberis. Oryabe, 
Moqui village;) May 13. On sandy hills. 
An evident and interesting congener of SopHoRA (PseUDO-SOPHORA) SERICEA, Nutt.; a span 
Mee 
