PEA FAMILY 
97 
to 12 cm. long; seed encircled by double fold of a long red funicle.— 
Cult, from Austr. It yields a valuable timber. 
3. A. verticillata Willd. Whorl-leaf Acacia. Shrub or small tree; 
phyllodia in whorls or scattered, linear-subulate, 12 to 15 mm. long; 
flowers in spikes; pods flat, 2.4 to 7.2 cm. long.—Cult, from Austr. 
4. A. baileyana F. v M. Shrub or small tree with abundant gray 
foliage; leaves alternate, compound, 2.4 to 4.8 cm. long; pinnae 2 to 3 
pairs; leaflets about 20 pairs; flowers in racemes: pod 3.6 to 9.6 cm. long. 
—Cult, from Austr. 
5. A. decurrens Willd. Green Wattle. Tree with more or less 
prominently angled branches; leaves compound; pinnae 8 to 15 pairs; 
leaflets about 30 to 40 pairs, linear; flowers in heads; pods 7.2 to 9.6 cm. 
long, more or less constricted between the seeds.—Cult, from Austr. Its 
bark is a valuable tanning agent. Var. mollis Lindl. Black Wattle. Tree 
5 to 14 m. high with reddish bark showing under fissures; pinnae 8 to 15 
pairs, dark green, shining on upper surface; leaflets many, imbricately 
crowded; flowers pale yellow, blooming in June; pods pubescent.—Cult, 
from Austr. Var. dealbata F.vM. Silver Wattle. Tree, 14 m. or 
more high with smooth bark and gray-pubescent branchlets; leaves silver- 
gray to light green; leaflets less crowded or discrete; flowers deep yel¬ 
low ; pods smooth.—Cult, from Austr. 
2. CERCIS L. Judas Tree 
Shrubs with simple round-cordate leaves and red-purple flowers in fas¬ 
cicles. Corolla only slightly irregular. Stamens 10, distinct. Pod oblong, 
very flat, the upper suture with a winged margin. (Kerkis, Greek name 
of the oriental Judas Tree.) 
1. C. occidentalis Torr. Red-bud. Stems clustered, 2.5 to 2.8 m. 
high; leaves 6 to 7.2 cm. broad.—Foothills. 
3. PICKERINGIA Nutt. 
Very rigid and spiny evergreen shrub. Leaves palmately 1 to 3-folio- 
late, without stipules. Flowers large, purple, axillary, solitary. Stamens 
distinct. (Charles Pickering of the Wilkes Expedition which visited 
California in 1841.) 
1. P. montana Nutt. Pea Chaparral. Densely branched, 1 to 2 m. 
high; flowers 1.8 cm. long.—Dry mountain slopes. 
4. LUPINUS L.* 
Herbs or low shrubs. Leaves palmate with 4 to 15 leaflets. Flowers 
showy, in terminal racemes or spikes. Calyx deeply 2-lipped. Banner 
roundish, the sides mostly reflexed. Wings commonly connivent by'their 
edges in front of and thus inclosing the keel. Stamens monadelphous, 
the anthers alternately oblong and rounded. (Latin lupus, wolf, these 
plants thought to rob the soil of its fertility.) 
By Charles Piper Smith. 
Cotyledons sessile, connate; ovules usually 2 only; annuals.1. L. densiflorus. 
Cotyledons petioled after germination; ovules 2 to 12 or none. 
Plants annual or biennial. 
Flowers whorled. 
Keel ciliate on both upper and lower margins near the claw only; 
upper calyx-lip bifid, lower entire or tridentate. 
2. L. succulentus. 
