54 FLOWERS OF FIELD. HILL, AND SWAMP 



leaves, short-stemmed or sessile. The tufts of hairs belong- 

 ing to the seeds are very soft and silky. 



39 



E. colorcitum has numerous flowers on tall stems. Leaves 



with toothed margins, narrow, long, with stalks. Flowers a 



pale pink, nodding. Seeds furnished with a tuff of brown 



hairs, i to 3 feet high. 



40. Mock Bishop-weed 



Discopleitra capillacea. — Family, Parsley. Color, white. 

 Leaves, compound, finely cut into thread-like divisions. Flower- 

 bracts cut. Time, June to October. 



Flowers in compound umbels. A plant smooth-stemmed 

 and branching, usually low, i foot high, but at times several 

 feet tall. 



Its fine, white flowers and hair-like leaves are common among 

 the brackish marshes, wherever the. water keeps their roots per- 

 petually moist. 



41. Hemlock-parsley 



ConioselJnum Canadense. — Family, Parsley. Color, white. 

 Leaves, 2 to 3 pinnately compound, thin. Time, August. 



Tall, slender, and smooth. No involucre, but fine, long, thin 

 involucels. The plant strongly resembles the poisonous hemlock 

 (coniuni). 2 to 5 feet high. 



42. Cowbane 



Tiedemannia rigida has tuber- bearing roots, which are 

 poisonous. Its umbels of white flowers bloom in August. It 

 is from 2 to 5 feet tall, with leaves simply pinnate. Leaflets, 

 3 to g. An involucre of fine bracts lies under the umbel, and 

 smaller involucels are at the base of the umbellets. 



43. Cow-parsnip 



Heracfhum lanatum is a coarse, rough plant, sometimes 8 

 feet high, with a rank smell about its foliage. The leaves 



