402 



Bromus pubescens, Linn. 



purgans, Linn. 



secalinus, Linn. Chess. 

 Buchnera Americana, Linn. Blue hearts. 



C. 



Cacalia atriplicifolia, Linn. 



tuberosa, Nutt. 

 Cakile Americana, Nutt. Sea rocket. 

 Calla palustris, Linn. Water arum. 

 Calopogon pulchellus, Brown. Grass pink. 

 Caltha palustris, Linn. American cowslip. 

 Campanula Americana, Linn. 



erinoides, Muhl. Prickly bell-flower. 



rotundifolia, Linn. Flax bell-flower 

 Cannabis sativa, Linn. Hemp. 



Capsella bursa-pastoris, Moenchausen. Shepherd's purse. 

 Cardamine hirsuta, Linn. 



pratensis, Linn. 



rhomboidea, D. C. 

 Carex acuta, Linn. 



alba V. setifolia, Dewey. 



ampuUacea, Gmelin. 



anceps, Schkuhr. 



aquatilis, Wahlenberg. 



aurea, Nutt. 



bromoides, Schkuhr. 



bullata, Schkuhr. 



cephalophora, Ww. 



cespitosa, Linn. 



collecta? Dewey. 



conoidea, Schkuhr. 



crinita, La Marck. 



cristata, Schwinitz. 



curta, Gmelin. 



Deweyana, Schwinitz. 



disperma, Dewey. 



