LEGUMINOS-E. 35 



6. T. procumbens, L. (Lo\vHop-C.) Flowers yellow, reflexed 

 when old. Leaflets wedye-obovate, the lateral ones at a short 

 distance from the terminal one. Stem smaller than in No. 5, 

 spreading. Sandy fields. 



3. MEUICA'GO, L. MEDICK. 



1. M. lupuli'na, L. i BLACK MEDICK.) Stem procumbent, 

 downy. Leaflets obovate, toothed at the apex. Flowers yellow. 

 Pods kidney-shaped. -Waste places. 



2. M. sati'va, L., (LUCERNE) has purple flowers in a long 

 raceme, and spirally -tioisted pods. Cultivated fields. 



4. MELILO'TTJS, Tourn. SWEET CLOVER. 



1. M. officina'lis, Willd. (YELLOW MELILOT.) Stem erect, 

 2-4 feet high. Leaflets obovate- oblong. Flowers yellow. Pod 

 drooping, 1-2-seeded. Waste places. 



2. M. alba, Lam., (WHITE M.) is much like No. 1, but has 

 white flowers. Escaped from gardens. 



5. ROBIIV'IA, L. LOCUST-TREE. 



L R. Pseudaca'cia, L. (COMMON LOCUST.) Racemes slender, 

 loose. Flowers white, fragrant. A large tree. 



2. R. visco'sa, Vent. (CLAMMY L.) Racemes crowded. Flowers 

 white, with a reddish tinge. Branchlets and lemfstalks clammy. 

 Smaller than No. 1. 



6. ASTRAG'ALTTS, L. MlLK- VETCH. 



L A. Canaden'sis, L. (CANADIAN MILK-VETCH.) Stem erect, 

 1-4 feet high, somewhat pubescent. Leaflets 10 or more pairs, 

 with an odd one at the end. Flowers greenish-yellow, very 

 numerous. River-banks. 



2. A. Coop'eri, Cray, has fewer leaflets, and while flowers in a 

 short spike. Not common. 



7. DESMO'DIUM, DC. TICK-TREFOIL. 



* Pod raised on a stalk much Kiirjtasslnci the calyx, the latter slightly toothed. 

 Stipules bristle-form. 



L D. nudiflo'rum, DC. Stem smooth, 4-8 inches high. 

 Leaves crowded at the summit of sterile stems. Flowers in a 

 terminal raceme or panicle, on a scape which rises from the root. 

 Leaflets broadly ovate. 



