Pie 
6 Plants 10-30 om, tall; not stiffishs; leaves opposite 
/o or alternate 
3 Plants 10-30 om, tall with a single pair of 
/Z, opposite leaves subtending the inflorescence 
/o Basal leaves varying from elliptical to spatulate es 
/4 or rotund, not cordate at the base To Re alismey 
/O Basal leaves ovate, cordate at the base Be Re 
3 Plants 10-20 cms tall, the few stem leaves alternate, 
/2 none in opposite pairs 9e Re ¢. 
4 Stem leavesyat ‘Yeast, eitber deeply lobed ‘or’ ic tua 
divided or all Saavos compound; basal leaves 
8 entire in one species 
| Glabrous herbs 10-30 cm. tall; flowers 1-3 
8 Basal leaves entire or nearly so, those 
(of the stem sometimes entire, some- 
z «times S-lobed or toothed; styles less 
(than l mm. longx gq. Bs glaberrimus 
2 Basal leaves usually d-parted, sometimes 
- ( 5-lobed, less often merely crenate; 
'S) styles 1-2 mm. long j0, Re Eschscholtzii 
i, More or less hispid herbs 50-60 cm. tall or 
_, { more; basal leaves mostly 5-5-foliolate, 
(2 flowers numerous or at least several, 
2 Beak of ovaries and achenes less than 
2 1 mm. long; cluster of achenes cylin- 
'& . @rical or oval 
7 
. 
Achenes 2 mm. broad, flattened, the 
clusters 10-12 mn. long }]. Re pennsylvanicus 
—_ 
y 
Achenes 1 mm. broad, turgid, not 
“flattened, the clusters 7-8 mn. 
_ " long 12, Re scoleratus 
“~~ 
= Beak of ovaries and achenes 1-< mn. q 
2. long; cluster of achenes globose 7 
Petals 2-3 mne long; beak of achenes 
clearly hooked 
Petals 4-5 mm. or 10-12 mn. long; 
beak of achenes straignt 
