366 On some American forms of Chara coronata. [May, 



meiocarpa, microp- 

 tila, unilateralia, laxior. This form 

 was collected at Brattleboro, Vt, 

 by the late C. C. Frost, it pre- 

 sents no differences from the last 

 except the short unilateral bracts, 

 smaller nucleus, 550-600, with 

 fewer ribs, 7-8. 



eioptila, partim unilateralia, cellulis 

 nniventibus, condensata. Plants compact. 



