4 METROPOLITAN PARK FLORA. 
ANEMONELLA, Spach. 
A. thalictroides, Spach. Rur-ANEMONE. 
Open woods and shady places. B*, frequent: —M*, fre- 
quent on rocky wooded hillsides: —S*, dry woods, Bellevue 
Hill. 
THALICTRUM, Tourn. Merapow Rwve. 
T. dioicum, L. Earty Mrapow Rvez. 
Rocky woods and shady roadsides. B, frequent: —M*, 
common :— S*, Overbrook Hill : — BB*, occurs. 
T. polygamum, Muhl. Tart Meavow Roe. 
Wet places, in sun and shade. B*, common:— M*, com- 
mon in damp woods and meadows. i 
T. purpurascens, L. Purrrtish Meapow Rue. 
Dry uplands and rocky places. 6B *, common, especially on 
the hill-tops : — M*, rocky woods. 
RANUNCULUS, Tourn. Crowroot. Burrercup. 
R. aquatilis, L. var. trichophyllus, Gray. Common 
Waite WatTER-CROWFOOT. 
Ponds and slow streams. B*, occasional; Monatiquot 
Stream, etc.: — M, Spot Pond; stagnant pool. 
R. multifidus, Pursh. YELLow WatTEeR-CROWFOOT. 
Ponds and slow streams. B, rare; Monatiquot Stream : — 
M, frequent; stagnant pool, N. of Pine Hill; swamp, side 
of Bear Hill, ete. 
R. abortivus, L. SMALL-FLOWERED CROWFOOT. 
Shady places. Band M*, common:— BB*, by the brook. 
Var. micranthus, Gray. 
Shady places. M™*, Pine Hill, etc. 
R. Allegheniensis, Britton.+ 
Similar in habitat and in aspect to R. abortivus and var. 
micranthus, but readily distinguished even in flower by the 
subulate hooked or recurved styles. MM/*, damp rocky woods, 
tSee Bull. Torr. Bot. Club, xxii. 224. 
