320 
65 
a. Segments of leaves usually oval or obovate; pods spreadin 
Wood Bitter-cress. Cardamine flexuosa.) 
b. Segments of leaves usually oblong or linear; pods erect or ascending. . : 313» 
a. Plant branched, about 1 ft. or more high. 
Pennsylvania Bitter-cress. (Cardamine pennsylvanica.) 
b. Plant not branched, very slender, usually less than 1 ft. high 
Small-flowered Bitter-cress. Сифнос parviflora.) 
а. Calyx lobes 2 or 3; petals 2 or 3; stamens 4-6 
False Mermaid: (Floerkea Е арандай ) 
Dr ween BOE Complbtele alin 0.10.2 ОБИ Моо A 
НЕВЕ S- TO. o. c exo dn cc esa det ЛОО КИЙ ныш, d. 
P» cinia te or TIE IL un iS ua ei ES E оа a 321 
a. Petals 6, smaller than the 6 ges stamens 
e Cohosh. ч Caulophyllum thalictroides.) 
b. Petals 5, larger than the sepals; vein Kor TO асаре Ира 317 
a. Leaves with 3 inversely-heart-shaped leaflets. 
Wood Sorrel. (Oxalis Acetosella.) 
b. "Leaves not completely às id у: т Iv. ET ee S US E 31 
a. Flowers 1 in. or more broad, pale purp 
Wild аасы (Geranium maculatum.) 
b. Flowers $ in. or less broad. 6155 oor ea SCIT ee d ds 319. 
a. Flowers pale-pink to whitish, in compact clusters 
Carolina Crane's-bill. FORES carolinianum.) 
b. Flowers ге not in compact clusters... 2.6 d.o оона 320 
. Flowers about } in. broad....... Herb Robert. (Geranium Жарышы) ) 
b. Flowers about 1 in. lese 
a 
mall-fiowered Crane’s-bill. (Geranium n: ) 
а. Leaves 3-lobed, all Mare sometimes wanting; flowers with 3 -sepal-like 
БТА. ои УУ WM. quen lr: ch RII Hepatica. iia ko Hepatica.) 
b. Plants not ASEP EE СИА СОЕ die. 322 
а. Leaves with 3 leaflets; vendo WIE os л уу Ор. гыи, чы: 
b. Leaves not ador 3 OER au ТОШТУ а itae sites i 
PIE S i. Lic daa Indian Physic. (Porteranthus ыз ) 
К ое роо ы т о 324. 
а 
. Plant growing in the woods; flowering stalk usually longer than the leaves. 
Wood Strawb ragaria americana.) 
b. Plant common in fields and waste places; ш stalk usually shorter 
than the ledvea....... erus Wild Strawberry. (Fragaria virginia 
a. Leaves with 5-9 rounded lobes.................. ge 
b. Leaves compound with several leaflets...........................L. 327. 
a. Leaves mainly basal; flowers white. 
False Mitrewort. (Tiarella cordifolia.) 
b. Leaves not mainly basal; flowers purplish. 
High Mallow. (Malva sylvestris.) 
a. purple, i-r im broad... s Purple Avens. (Geum rivale.) 
b. veins cream-colored, 1-3 in. broad. 
Cream-colored Avens. (Geum flavum.) 
COLUMBIA UNIVERSITY 
