60 BOTANY. 



stipules membranous, ovate, cuspidate ; peduncles very short, radical, umbel- 

 lately about 3-flovi^ered ; flowers large ; calyx campanulate, teeth nearly equal, 

 triangular-subulate, shorter than the tube ; vexillum broadly obovate, thrice the 

 length of the calyx ; legume 4-5-seeded. — Alpine, 1-2' high ; flowers |' long, 

 scarcely unfolding. Rocky Mountains of Colorado Uinta^ Mountains, 

 Utah; 12,006' feet altitude; August. (240.) 



Tkifolium dasyphyllum, T. & G. Csespitose, more or less canescently 

 silky; caudex short and thick, branching; leaflets linear or oblong-lanceolate, 

 acute, entire ; stipules membranous, subulate-acuminate ; head globose, on a 

 long radical peduncle, bracteate ; bracts lanceolate, scarious-margined, unequal ; 

 calyx-teeth setaceous, nearly equal, exceeding the tube, a little shorter than 

 the purple corolla ; legume 3-4-seeded. — Alpine ; peduncles 2-4' high, twice 

 longer than the leaves ; corolla 4-6" long, scarcely unfolding. Rocky Mount- 

 ains of Colorado. Uinta Mountains, Utah; 11-12,000 feet altitude; 

 August. (241.) 



Trifolium Andinum, Nutt. Csespitose, silky-canescent ; caudex short 

 and thick, branching ; leaflets rigid, cuneate-oblong, acute or acuminate, entire, 

 strongly veined, (3-5" long ;) stipules broadly ovate, membranous, obtuse, gla- 

 brous, ciliate ; peduncles radical, (1-2' high,) about equaling the leaves ; heads 

 hemispherical, rather few-flowered, sessile between two opposite broadly 

 stipuled trifoliolate bracts ; calyx densely silky-villous with white hairs ; 

 teeth setaceous, longer than the tube, but shorter than the persistent (3-4' 

 long) corolla ; ovary 3-4-ovuled ; legume ovate, 1-seeded. — Corolla 3-4" long, 

 persistent. Summit of Cedar Mountain near Evanston, Utah ; 7,000 feet 

 altitude ; in fruit, July. • Collected by Nuttall in the Rocky Mountains, pro- 

 bably in the same region. Plate VIII. Fig. 3. A plant ; natural size. 

 Fig. 4. The involucral bracts. Fig. 5. The calyx, expanded. Fig. 6. A 

 matured capsule; all enlarged two diameters. (242.) 



Trifolium Andeesonii, Gray. Proc. Amer. Acad. 6. 522, Low, cEespi- 

 tose, very villous throughout with white silky hairs ; the branched caudex 

 thick, woody,covered with rather large scarious stipules ; leaflets 4-6, (J' long,) 

 oblong or obovate-cuneate, mucronate, entire; peduncles (lj-2'long) equaling 

 the leaves; head globose, many-flowered ; flowers sessile ; calyx-teeth subulate- 

 setaceous, rather longer than the campanulate tube ; corolla pink, (J' long,) 

 not scarious; ovary 5-ovuled ; legume globular, 1-2-seeded. Mountains 

 near Carson City ; discovered by Dr. Anderson. 



