136 



NEW YORK STATE MUSEUM 



Yellow Avens; Camproot 



Geuin strictiim Aiton 



Plate g8a 



Stems erect or nearly so, pubescent, somewhat branched, 2 to 4 feet 

 high, basal leaves lyrate-pinnate with five to seven obovate, cvmeate, 

 toothed or lobed leaflets, witli a few smaller leaflets interspersed, terminal 

 leaflets largest, broadly ovate or cmieate; stem leaves short petioled or 

 sessile with three to five ovate or oblong, acute segments. Flowers 

 yellow, several, terminal and short peduncled, one-half to three-fourths 

 of an inch broad; petals obovate, exceeding the five calyx lobes. Stamens 

 numerous. 



In low, shaded ground, swamps and wet meadows, Newfoundland 

 to British Columbia, south to New Jersey, Pennsylvania, Missouri and 

 New Mexico. Flowering from June to August. 



Purple or Water Avens 



Geiim rivale Linnaeus 



Plate 100 



Stems simple or nearly so, erect, pubescent, i to 3 feet high, from 

 stout perennial roots. Basal leaves lyrately and interruptedly pinnate, 

 petioled, the lateral segments generally few and small, the terminal one 

 to three leaflets much larger, all sharply and irregularly lobed and toothed; 

 stem leaves rather far apart, short petioled or sessile, simple or three- 

 foliated. Flowers few, terminal, pvirple or purplish, nodding, three-fotirths 

 to I inch broad; petals obovate emarginate, abruptly narrowed into a 

 claw; calyx lobes spreading, purple; head of the fruit stalked in the calyx; 

 achenes pubescent, style jointed, plumose below, about one-fourth of an 

 inch long. 



In swamps and low grounds, Newfoundland to British Columbia, 

 New Jersey, Pennsylvania, Michigan and Colorado; also in northern Europe 

 and Asia. Flowering from early June until the latter part of July. 



