5° Pulse (Leguminbsce). [No. 7 



similar, and partly enfolded by the reverse egg-shaped 

 standard. Calyx, tubular, or bell-shape, with four 

 (sometimes five) short and nearly equal teeth — that 

 of the upper flowers about one sixth of an inch in 

 length. Bractlets, minute, or lacking. Stamens, in 

 two sets, in the upper unfruitful flowers ; in the lower 

 ones, wanting," or, if present, not in sets. Style, not 

 bearded. Seed-cases, of the upper flowers, smooth with 

 hairy margins ; of the lower ones, hairy. August, 

 September. 



Leaflets, three, very thin, one half inch to three inches in 

 length, three quarters as wide, somewhat egg-shape, 

 those at the sides with the base oblique. Stipels 

 present. 



Pods, of the upper flowers, if present, somewhat curved, 

 with a short stalk, and with three or four dark seeds ; 

 those of the lower flowers, one inch in length, hairy, 

 usually beneath the ground, reverse egg-shape or 

 pear- shape, with one large flattened brown seed. A 



Found, common, in rich, damp soil, from Canada to Mis- 

 sissippi and Florida. 



An ill-named vine, slender, twining, hairy, perennial, 

 herbaceous ; the stem much branched, rough in one direc- 

 tion, four to eight feet long. 



Resembling Fig. 24.— Pitchers' Hog-Peanut. A. PUcheri, 



T. and G. 



This species differs from the preceding (A. comm6sa) 

 chiefly in the following items : 



