PULSE FAMILY. 133 



D. strfctum, DC. Slender stems smooth below, above and the narrow 

 panicle rough-glandular ; leaflets linear, blunt, reticulated, very smooth, 

 l'-2' long. N. J. to Fla. and La. 



M- -M- Bracts, before flowering, conspicuous; common petiole very short; 

 joints of pod roundish. 



D. Canadense, DC. Stem hairy, 3-6 high, leafy up to the panicle ; 

 leaflets lance-oblong, blunt, 2'-3' long ; racemes dense, the pink-purple 

 flowers larger than in any other, ^'-j' long. Chiefly N. and W. 



D. sessilif61ium, Torr. & Gray. Stem pubescent, 2-4 high; the 

 long panicle naked ; common petiole hardly any ; leaflets linear or 

 linear-oblong, blunt, reticulated, rough above, downy beneath ; flowers 

 small. Chiefly westward. 

 H_ ^_ M_ Stems ascending or spreading, l-3 long ; stipules and bracts 



awl-shaped and deciduous; panicle naked, loose; flowers small; pod of 



2 or 3 small, oval, or roundish joints. 



D. rigidum, DC. Stems hoary, with a rough pubescence ; leaflets 

 ovate-oblong, blunt, thickish, roughish, and reticulated, l'-2' long, the 

 lateral longer than the common petiole. Mass., S. and W. 



D. Marilandicum, Boott. Smooth or nearly so, slender; leaflets 

 ovate or roundish, thin, the lateral ones about the length of the slender 

 petiole ; otherwise like the preceding, and of like range. 



M- <- +- (- Stems reclining or prostrate ; racemes few-flowered. 

 D. lineatum, DC. Smoothish ; stem striate-angled ; stipules awl- 

 shaped, deciduous ; leaflets orbicular, 1' or less in length, much longer 

 than the common petiole ; flowers and 2 or 3 rounded joints of the pod 

 small. Md. to Fla. and La. 



2. Exotic conservatory species. 



D. gyrans, DC. TELEGRAPH PLANT. Leaflets elliptic-oblong, termi- 

 nal very large, lateral very small. Cult, from India for curious move- 

 ments of leaflets. (Lessons, Fig. 491.) 



31. ERYTHRINA. (Greek : red, the usual color of the flowers.) 



E. herbacea, Linn. Stems herbaceous, 2-4 high from a thick, 

 woody base, somewhat leafy, the leaflets broadly triangular-ovate ; others 

 nearly leafless, terminating in a long, erect raceme of narrow, scarlet 

 flowers ; standard (2' long) straight, folded, lanceolate ; keel small ; seeds 

 scarlet ; flowers spring. Sandy soil near the coast S. 



E. Crista-g&lli, Linn. Tree-like ; leaflets oval or oblong ; loose racemes 

 of large crimson flowers ; keel large ; standard broad, spreading ; wings 

 rudimentary. Cult, in conservatories, from Brazil. 



32. GLYCINE. (Greek: sweet.) 



G~ hispida, Maxim, (or S6jA HISPIDA). SOY BEAN. Plant strong 

 and erect, 2-4 tall, loosely hairy ; leaflets large and thin, broadly ovate 

 and nearly or quite obtuse, the lateral ones lop-sided and short stipitate, 

 the terminal long stipitate, the common petiole 6'-12' long ; pods flat and 

 villous, 2'-4' long, containing from 2-4 roundish or oblong small Beans, 

 and splitting open when ripe. Coming into prominence as a forage plant, 

 the Beans also edible. Japan and China ; but unknown wild, and sup- 

 posed to be derived from Glycine Soja. 



33. ARACHIS, PEANUT, GOOBER. (Meaning of name obscure.) 



A. hypogcea, Linn. The only common species, from South America, 

 cult. S. ; the nut-like pods familiar, the oily, fleshy seeds being roasted 

 and much eaten. (f) 



