140 KEY AND FLORA 
1. P. sativum L. Common Pea. Annual. Smooth and covered 
with a bloom. Leaflets usually 2 pairs; tendrils branching; stipules 
large, ovate, rather heart-shaped at the base. Peduncle several-flowered. 
Flowers white, bluish, reddish, or variegated. Pods large; seeds glob- 
ular or somewhat flattened and wrinkled. There are many varieties, 
differing greatly in size, of the plant and of the fruit. Cultivated from 
Europe (?). 
XXIV. PHASEOLUS L. 
Twining herbs. Leaves pinnate, of 3 leaflets. Flowers in 
axillary racemes. Calyx 5-toothed or 5-cleft, the two upper 
teeth often more united than the others. Keel of the corolla 
coiled in a spiral, together with the included stamens and 
style. Stamens diadelphous (9 and 1). Style bearded length- 
wise on the upper side; stigma oblique or on the side of the 
style. Pod linear, 2-valved, several-many-seeded, tipped with 
the remains of the style. 
1. P. perennis Walt. Witp Bran. Perennial, climbing high. 
Flowers small, purple. Pods curved, drooping, 4—6-seeded. Thickets. 
2. P. vulgaris L. Common or Kipney Bean. Twiners (or some 
varieties low and branching). Racemes of white or purplish flowers 
shorter than the leaves. Pods straight or nearly so. Seeds not much 
flattened. Cultivated, probably from tropical America. 
3. P. multiflorus Willd. Spanisu Bean, SCARLET RuNNER. Stems 
twining high. Flowers large and showy, white, scarlet, or variegated ; 
racemes longer than the leaves. The scarlet variety is the most com- 
monly cultivated, for ornament. From tropical America. 
48. GERANIACEA. Grranium Famity 
Herbs or small shrubs. Leaves simple, usually with glan- 
dular hairs which secrete an aromatic oil. Flowers bisexual, 
axillary and solitary or clustered, actinomorphic or nearly so, 
hypogynous, their parts in fives. Stamens 5 or 10, monadel- 
phous at the base. Carpels 5, each 2-ovuled, splitting away 
with their long styles when ripe from a central axis and thus 
scattering the seeds. 
I. GERANIUM L. 
Herbs, rarely shrubs. Leaves with stipules, opposite or 
alternate, usually cut or lobed. Flowers actinomorphic on 
