PEA FAMILY 341 
Pods not jointed. 
Stem erect, pod linear, flat . . . Cracca 
Stem erect or decumbent, pod turgid, 
oblong . Astragalus 
Stem dwamine hve ee id oa. cna ADEOS 
1. BAPTISIA, Vent. 
Herbs with leaves of three leaflets, which arise apparently from the 
same center (or rarely with simple, undivided leaves). Stipules leaf- 
like, small, or none. Calyx of 4 or 5 parts cleft half way. Petals (of 
our species) yellow and of nearly equal length, somewhat united. Sta- 
mens 10, all distinct. Pods inflated, with generally, many seeds. 
1. B. tinctoria, (L.) R. Br. (Fig. 1, pl. 75.) Wuitp Inpico. YELLOW 
Broom. Clusters of flowers numerous, yellow, plant 3 to 4 ft. high, much 
branched. Leaflets pear-shaped, the whole plant more or less covered 
with a whitish bloom. Stipules very small and falling early. Pods egg- 
shaped or nearly globose. Growing in dry or sandy soil. June-Sept. 
2. B. australis, (L.) R. Br. Buiur Witp Inpico. Leaflets less blunt 
than those of No. 1. Flowers blue. Otherwise much like B. tinctoria. 
Western Penna., and westward. June-Aug. 
2. CROTALARIA, L. 
Herbs, with simple undivided leaves (in our region), and with yellow 
flowers in loose, somewhat elongated clusters. Calyx 5-parted, stamens 
9 united, 1 free. Pod oblong to globose, much inflated. Seeds several, 
loose when ripe. 
C. sagittalis, L. (Fig. 2, pl. 75.) Rarrre Box. Erect, branching, 
generally less than 1 ft. high. Plant covered with silky pubescence. 
Leaves simple, oval or oblong, 1 to 2 in. long, 1/3 as broad, with very 
short leaf-stalks. Flowers solitary or 2 to 4 in loose cluster, yellow. 
Pod oblong about 1 in. long, much inflated. June-Sept. 
3. LUPINUS, L. 
Herbs. Leaves of about 7 to 15 radiating leaflets. Flowers showy in 
long spikes. Calyx 5-toothed, upper lip of 2 teeth, lower of 3, sometimes 
without division. Stamens, 9 united, 1 free. Pod flattened, uneven, 
constricted between the seeds. 
L. perennis, L. (Fig. 4, pl. 75.) Common Lupine. Sometimes erect, 
more frequently procumbent, spreading. Stems about a foot long, nearly 
smooth. Leaflets 7 to 9, soft, downy on long leaf-stalks. Flowers in a 
long slender spike, blue varying to white. Sandy hillsides and roadsides. 
May-June. 
4. GENISTA, L. 
Shrubby plants, with simple leaves and clustered yellow flowers. Calyx 
of 2 lips, the upper one 2-cleft, the lower with 3 teeth. Stamens, 9 united, 
1 free. Pods flat with several seeds. 
G, tinctoria, L. (Fig. 5, pl. 75.) DyEwrep. Woap WaxeNn. 
