62 BOTAlifT. 



Mountains, and Ruby Valley, Nevada; 5-6,000 feet altitude ; July. One of 

 the most valuable of the western species. (246.) 



Tkifolium cyathifeeum, Lindl. Annual, glabrous ; stems ascending, 

 (6-18' long,) branched at base ; leaflets oblong and obovate, cuneate, mucron- 

 ate, spinulose-serrate ; stipules somewhat scarious, ovate, laciniate-toothed ; 

 peduncles long ; involucre large, (6-8" in diameter,) cyathiform, the border 

 obtusely many-toothed, somewhat shorter than the few- or many-flowered 

 heads ; calyx oblong, subinflated, membranous, with teeth setaceously 3-many- 

 parted, equaling the corolla; legume 2-seeded. — Oregon, (Douglas and Gey er,) 

 and in the Rocky Mountains, (Nuttall.) Found in the Truckee Valley and on 

 stream banks in the Havallah and East Humboldt Mountains, Nevada; 

 5-6,000 feet altitude ; June, July. (247.) 



Teifolium GYMNOCAEPOsr, Nutt. Perennial, csespitose, (2-4' high,) 

 minutely pubescent or hairy ; caudex short and thick, many-branched ; leaves 

 radical, on long petioles, exceeding the peduncles ; leaflets (3-6" in length) 

 oval-oblong, obtuse or acute, serrate; stipules scarious, oval; heads 2-6-flow- 

 ered, not involucrate ; flowers on short pedicels ; calyx-teeth subulate, equaling 

 the subcampanulate tube and half the length of the corolla; legume coriaceous, 

 globose, (2-3" long,) hairy, 1-2-seeded, upon a stipe about equaling the calyx- 

 tube, dehiscent. — Collected only by Nuttall near the sources of the Sweet- 

 water, in Wyoming Territory. Found growing under sage-brush on the foot- 

 hills of Parley's Park in the Wahsatch ; 6,500 feet altitude ; June. Plate 

 VIII. Fig. 1. An entire plant ; natural size. Fig. 2. Matured legumes ; en- 

 larged two diameters. (248.) 



HoSACKiA AEGOPHYLLA, Gray. Synopsis of Hosackia, Proc. Acad. Phil., 

 1863, p. 347. Perennial, somewhat shrubby or nearly herbaceous, densely 

 silky-tomentose, the long and rather silky branches decumbent ; leaflets 3-5, 

 obovate, obtuse, 3-6" long, the common petiole and rachis very short ; 

 umbels 8-12-flowered, with a simple bract, capitate, the peduncle short or 

 occasionally exceeding the leaf; calyx-teeth slender, about half as long as the 

 cylindrical tube ; flowers 4-5" long, yellow or becoming reddish, the broad 

 incurved apex of the keel obtuse ; legume small, attenute above, incurved, 

 1-4-seeded. Southern and Middle California.— Var. (?) Feemonti, Gray. 

 Leaflets obovate-oblong, acute ; flowers 5" long; calyx-teeth setaceous, nearly 

 equaling the tube. iFound east of the Sierras by Fremont, probably in 

 Nevada. 



