4 METROPOLITAN PARK FLORA. 



ANEMONELLA, Spach. 

 A. thalictroides, Spach. Rue-Anemone. 



Open woods and shady places. B*, frequent : — Jf», fre- 

 quent on rocky wooded hillsides : —-#*, dry woods, Bellevue 

 Hill. 



THALICTRUM, Tourn. Meadow Rue. 

 T. dioicurn, L. Early Meadow Rue. 



Rocky woods and shady roadsides. B, frequent : — M*, 

 common : — 8*, Overbrook Hill : — BB*, occurs. 



T. polygamum, Muhl. Tall Meadow Rue. 



Wet places, in sun and shade. B*, common : — M'*, com- 

 mon in damp woods and meadows. 

 T. purpurascens, L. Purplish Meadow Rue. 



Dry uplands and rocky places. B *, common, especially on 

 the hill- tops : — M*, rocky woods. 



RANUNCULUS, Tourn. Crowfoot. Buttercup. 



R. aquatilis, L. var. trichophyJlus, Gray. Common 

 White Water-Crowfoot. 



Ponds and slow streams. jS*, occasional; Monatiquot 

 Stream, etc. : — M, Spot Pond ; stagnant pool. 

 R. multifidus, Pursh. Yellow Water-Crowfoot. 



Ponds and slow streams. B, rare ; Monatiquot Stream : — 

 M, frequent ; stagnant pool, N. of Pine Hill ; swamp, side 

 of Bear Hill, etc. 

 R. abortivus, L. Small-flowered Crowfoot. 



Shady places. B and M*, common : — BB*, by the brook. 

 Var. micranthus, Gray. 



Shady places. M *, Pine Hill, etc. 



R. Allegheniensis, Britton.f 



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. 31*, damp rocky woods, 



fSee Bull. Torr. Bot. Club, xxii. 224. 



