168 MISSISSIPPI STATE GEOLOGICAL SURVEY [Bull. 
Crotalaria Purshii DC. Pursh’s Rattle Box. 
Damp pine barrens, more common near the coast. Winona, 
Jackson; McHenry; Landon; Gulfport (T. P. Bailey) ; Biloxi; 
Bay. St. Louis; Coastal Islands. April and May. 
Geol. Survey Herb. Allison Herb. 
LUPINUS L. Lupine. 
Lupinus gracilis Nutt. (lL. perennis gracilis Chapm.) Nut- 
all’s Lupine. . 
Dry, sandy pine barrens toward the coast. (Mohr.) April. 
Lupinus diffusus Nutt. Spreading Lupine. 
Sandy pine ridges in the lower counties (Mohr). May and 
June. 
Lupinus villosus Willd. Hairy Lupine. 
Lower pine barrens. Wayne County. May. 
MEDICAGO L. 
Medicago denticulata Willd. Toothed Medick. (Int.) 
Naturalized throughout the state, sparingly. Bay St. 
Louis. 
; Allison Herbarium. 
Medicago maculata Sibth. (M. Arabica L.) All. Spotted Burr 
Clover: -Cuits) 
Naturalized, throughout the state; most common on lime- 
stone soil. Oxford; Natchez; Starkville (Tracy). Mareh- 
April. 
Geol. Survey Herb. 
Medicago sativa L. lLucern. Alfalfa. (Int.) 
Escaped from cultivation locally in limey soils. May. 
MELILTOUS Juss. Sweet Clover, 
Melilotus alba Desr. White Melilotus. 
Common on white limey prairie soils, especially in north- 
east Mississippi, along roadsides, ditches, and limestone bluffs. 
May-June. 
