186 LEGUMINOS^E. Crotalaru. 



fi. 2. p. 55 {var. oblonga) ; Pursh, Jl. 2. p. 469 ; Ell. sk. 2. p. 293 ; DC. prodr. 2. />. 124 ; 

 Bigel. Jl. Bost. p. 267 ; Beck, hot. p. 77 ; Darlingt. fl. Cest. p. 404 ; Torr. ^ Gr. ft. N. 

 Am. 1. p. 370. C. parviflora, Rolh ; Willd. sp. 3. p. 973. 



Stem 4 — 8 inches high, clothed with brownish hairs ; the branches spreading. Leaves 

 1 - 1^ inches long and 4-6 lines wide, hairy on both side. Stipules conspicuous, adhering 

 for two-tliirds of their length to the stem, free and acute above ; tlie lower ones often wanting. 

 Racemes opposite the leaves. Flowers yellow. Calyx deeply parted ; the segments almost 

 foliaccous. Legume an inch or more in length and nearly half an inch in diameter, blackish 

 when ripe, thin and coriaceous. Seeds curved, shining. 



Dry sandy soils ; not rare in the southern part of the Stale. July - August. 



21. LUPINUS. Tourn.; Agardk,/. syn. gen. Lupin. {\835); Endl. gen. &A12. LUPINE. 



[ So called from the Latin, lupus, a wolf; because it was supposed to devour the fertility of the soil.] 



Calyx deeply 2-lipped, mostly with 2 bracteolcs at the base; the upper lip 2-cleft or toothed ; 

 the lower entire or 3-toothcd. VexiUum with the sides refle.\cd : wings united at the 

 summit : keel acuminate. Anthers alternately oblong and roundish ; the former earlier 

 matured than the others. Stigma bearded. Legume coriaceous, oblong or linear, more or 

 less compressed, often torulose or intercepted by oblique cellular partitions. — Herbaceous 

 plants. Leaves palmately 5 - 15-foliolate. Flowers in terminal racemes or spikes. 



1. LuPiNus PERENMs, Linn. Common Wild Lupine. 



Perennial, somewhat hairy ; leaflets 7-11, obovate-oblong or oblanceolate, obtuse, slightly 

 mucronate, smootliish above, a little heavy underneath and on tlie margins ; stipules setaceous, 

 deciduous ; flowers scattered, in a long loose raceme ; bracts shorter than the pedicels, subu- 

 late, caducous ; upper lip of the calyx emarginate, gibbous at the base ; lower nearly entire ; 

 keel ciliate ; legumes linear-oblong, very hairy. — Linn.; Michx. Jl. 2. p. 55 ; Bot. mag. 

 t.20l; Pursh, jl. 2. p. 467 ; Ell. sk. 2. p. 191 ; Bart. f. N. Am. 2. t. 38 ; DC. prodr. 2. 

 p. 408 ; Bigel. Jl. Bost. p. 267 ; Hook. Jl. Bor.-Am. 1. p. 163 ; Beck, bot. p. 92 ; Darlingt. 

 fl. Cest. p. 431 ; Torr. <^ Gr. fl. N. Am. 1. p. 377. 



Root creeping. Stem a foot or eighteen inches high, erect. Leaflets usually 8 or 9, one 

 or two inches long, radiating from a common centre : petiole 2-4 inches in length. Raceme- 

 6-10 inches long. Flowers large and showy, purplish blue. Calyx with minute subulate 

 bracteoles, which are caducous, or often wanting. Legume about an inch and a half long, 

 brownish when ripo, 4 - 5-seeded. Seeds obovoid, smooth, variegated. 



Sandy fields and woods ; not rare. Fl. June. Fr. July. A very ornamental plant, often 

 seen cultivated in gardens. Forty-four oilier species of this genus arc described in the Flora 

 of North America. 



