00 BOTANV. 



persistent: flowers small, purple, nearly sessile: standard narrow; keel 

 filiate: pod very short, 3-4-seeded. — From Wyoming to Colorado and 

 Itali; OD Blue luv.T, Colorado, Wolf (200). 



Lupinus pusillus, Pursh. — From the Upper Missouri to the Columbia 

 and southward through the interior; Denver, Wolf (198). 



Lupinus Kingii, Watson (Proc. Am. Acad, viii, 534). (L. iSileri, 

 Watson, Mime, x, 345.) — Resembling the last, but more slender and villous 

 with soft white hairs: racemes very short, few-flowered, on long slender 

 peduncles: pods and seeds smaller. — Utah and Colorado; at Loma, on the 

 Rio Grande, Wolf (195). 



Medicago sativa, Linn. — Santa Fd, N. Mex., naturalized in the 

 Plaza, Rothrock (65). Known as "Alfalfa". 



Melilotus parviflora, Desf. "Sweet Clover." — Camp Lowell, Ariz., 

 Rothrock (710, 716). 



Melilotus alba, Lam. — Collected in Utah, 1871. 



Trifolium megacephalum, Nutt. (Gen. ii, 105). — Perennial, very 

 st.mt, rather low, somewdiat villous: leaflets 5 to 7, obtuse, nearly an inch 

 long; stipules ovate-oblong: flowers rose-colored, sessile in very large 

 naked terminal heads: calyx-teeth filiform, plumose: ovary smooth, 6- 

 ovuled. — From Washington Territory to Northeastern California and Ne- 

 vada; Diamond Range, Northern Nevada, 1871. 



Trifolium longipes, Nutt. (Torr. & Gray, Fl. i, 314). — Frequent from 

 the Rocky Mountains to the Pacific; Mogollon Mesa, Loew (179). 



Trifolium nanum, Torrey (Ann. N. Y. Lye. i, 35, t. 3). — In the Rocky 

 Mountains and Wahsatch; South Park, at 13,000 feet altitude, Wolf 

 (175, 874). 



Tb i folium Parryi, Gray (Am. Journ. Sci. 2d ser. xxxiii, 409). — In 

 the Rocky Mountains and Wahsatch ; at Twin Lakes, in South Park, Wolf 

 (177, 184). 



Trifolium dasyphyllum, Torr. & Gray (Fl. i, 315). — In the Rocky 

 Mountains and Wahsatch; on Gray's Peak and in South Park, Wolf 

 (182, 183). 



Trifolium involucratum, Willd. — Annual, glabrous, the ascending 

 stems often a span high or more: leaflets usually oblanceolate, acute, a 



