270 PAPILIONACEAE, [Vor. II. 
4. Lupinus pusillus Pursh. Low Lupine. 
(Fig. 2060. ) 
Lupinus pusillus Pursh, Fl. Am, Sept. 468. 1814. 
Annual (always?), villous-pubescent, 4’-8’ high, 
from a deep root, much branched near the base. 
Leaves petioled, 1/2’ wide; leaflets 5-7 (commonly 
5), oblong or oblanceolate, narrowed at the base, 
obtuse or acute at the apex, glabrous or nearly 
so on the upper surface, pubescent with long scat- 
tered hairs beneath, 3/’-4’’ wide; racemes numer- 
ous, short-peduncled or sessile, 1/-3/ long, densely 
few-flowered; pedicels 1//-2’” long; flowers blue, 
3/’-4’’ long; pod oblong, very pubescent, 6’/-8/’ 
long, 2’’-3’’ broad, about 2-seeded; style subulate. 
Dry plains, Kansas, Dakota, west to the Sierra Ne- 
j vada, south to Arizona and New Mexico. March-July. 
Ws UEEX yoy Pelle pes wezGIIS 
Shrubs, with stiff spine-like branches, simple, linear stiff very prickly leaves, and large 
yellow solitary or racemed flowers. Calyx membranous, mostly yellow, divided nearly to its 
base into 2 concave lips; upper lip mostly 2-toothed, and lower 3-toothed; teeth short. Stand- 
ard ovate; wings and keel oblong, obtuse. Stamens monadelphous; anthers alternately 
longer and shorter, the shorter versatile. Ovary sessile, several-many-ovuled; style some- 
what incurved, smooth. Pod ovoid, oblong or linear. Seeds strophiolate. [The ancient 
Latin name. ] 
About 20 species, natives of eastern Europe. 
1. Ulex Europaéus L. Furze. Gorse. 
Whin. Prickly or Thorn Broom. 
(Fig. 2061.) 
Ulex Europaeus I. Sp. Pl. 741. 1753. 
Much branched, bushy, 2°-6° high, more or 
less pubescent. Branchlets very leafy, tipped 
with spines; leaves prickly, 2’’-7’’ long, or the 
lowest sometimes lanceolate and foliaceous; 
flowers borne on twigs of the preceding season, 
solitary in the axils, 6’’-8’’ long, the twigs ap- 
pearing like racemes; pedicels very short, 
bracted at the base; calyx a little shorter than 
the petals, minutely 2-bracteolate; pod few- 
seeded, compressed, scarcely longer than the 
calyx. 
In waste places, southern New York and eastern 
Virginia, escaped from cultivation. Also on Van- 
couver Island. Fugitive from Europe. May-July. 
8. GENISTA L. SS} oa ed My fove hy eric): 
Low branching sometimes thorny shrubs, mainly with 1-foliolate leaves, and showy clus- 
tered yellow flowers. Calyx 2-lipped; teeth long. Standard oval or ovate; wings oblong; keel 
oblong, deflexed, the claws of its petals adnate to the uncleft sheath of the monadelphous 
stamens; anthers alternately long and short. Ovary sessile, several-ovuled; style incurved 
at the apex. Pod various, flat in our species, several-secded. Seeds not strophiolate. 
[Celtic, gen, a small bush.] 
About 80 species, natives of Europe, northern Africa and western Asia. 
