50 
54 a. Flowers about in. broad; petals usually no longer than the sepals... : 55. 
. Flowers $ in. or more broad; petals longer than the sepals............. 57 
55 4. Head of fruit oblong or cylindric; plant sto 
Ditch дар S (Ranunculus scleratus.) 
БОЛЕ of Bulb О a cis ДИЙЛ. Їз eit Ub. ph 56. 
56 a. Basal leaves lobed; achenes with recurved beak. 
"gum Crowfoot. here cue recurvatus.) 
b. Basal leaves round- оданы achenes not as і 
Kidn тае Crowfoot. ы ia abortivus.) 
57 a. Plant creeping; leaves often spotted 
Creeping Buttercup. (Ranunculus repens.) 
ИИС ВИЕ C i s poli su vs c e 8. 
58 a. Basal leaves Misc at the divisions not stalked; plant 2-3 ft. high. 
Meadow Buttercup. divinius acris.) 
b. Basal leaves 3-divided; some of the vbi BiBlked. ооа с 
59 а. Lateral and terminal divisions of leaf stalked; plants only slightly hairy 
wamp Buttercup. (Ranunculus seplenirionalis») 
b. Only terminal division of leaf stalked: plants: hairy oo iaa e 
бо a. Plant with a bulbous root.. . Bulbous Buttercup. (Ranunculus мовчи 
b. Plant with fibrous roots....... Hispid Buttercup. (Ranunculus hispidus). 
61 a. Leaves pinnately divided; flowers 1 in. or less broad. 
Spring Avens. (Geum vernum.) 
bh Dove QUEM ОИЕ Coo roce eh re 62. 
62 a. Plants erect; leaflets 3, 1—3 in. long. 
Rough Cinquefoil. (Potentilla mons peliensis. d 
63: 
b. Plants prostrate or MOINES C Rte TL E a ЭН 
63 o: Leaflets gt AU. Indian Strawberry. (Duchesnea indica.) 
b. Leaflets usually 5 or more, or a few leaves WIR Shs Sepang igs dus 6 
64 a. Flowers in aes leaflets with nth hairs beneath. 
ery Cinquefoil. come argentea.) 
b. Flowers solitary on a stalk; ы not completely а 65. 
65 a. Plant 3-10 in. long; first flower from axil of first stem - 
Dwarf Five-finger. "dass: pumila») 
b. Plant 2—2 ft. long; first flower from axil of second to fourth s 
ЕО iis 
Five-finger. Greed вон ) 
66 а. Leaves compound with s obovate or inversely heart-shaped leaflets. .67. 
b. Leaves not рну WET оаа LIBI. iva А 
67 a. Plant more or | branched ab eading. 
; spre 
Yellow Wood-sorrel. (Oxalis cymosa.) 
. Plants more or less prostrate, branched at the base; stalks of fruit werd 
68 a. Pieds 1—2 in. broad; capsule }— in. long, tapering to apex. 
Procumbent Wood-sorrel. (Oxalis corniculata. ) 
Flowers 3-1 in. broad; capsule 2-1 in. long, short-pointed............. 69. 
x в; Жен» with appressed hairs........ Yellow Wood-sorrel. (@xalis stricta.) 
b. Plants with loose, spreading hairs. 
Slender Wood-sorrel. (Oxalis Brittoniae.) 
70 a. Leaves opposite THE ы UE Tufted Loose-strife. ( Naumburgia € 
b. Leaves alternate. 
