100 



(Carex.) 



comosa. Wet places, 

 bullata. Wet meadows. 

 Vilfa aspera. Sandy fields. Sept. 

 Sporobolus juuceus. Dry soil. Aug. 

 Calamagrostis Canadensis. Wet grounds. July. 

 Oryzopsis asperifolia. Shaded hillsides. May. 

 Spartina stricta. Salt marshes. Aug. 

 Bouteloua curtipendula. Serpentine. Aug. 

 Poa serotina. Wet meadows. July. 

 Eragrostis reptans. Gravelly river banks. Aug. 

 Panicum pauciflorum. Wet meadows. June. 

 Equisetum limosum. Shallow water. 

 Allosorus atropurpureus. Rocks. 

 Cheilanthes vestita. Shaded rocks. 

 Cystopterts bulbifera. Shaded rocks. 

 Aspidium spinulosum. Woods. 

 Azolla Caroliniana. Pools. 

 And perhaps many others. 



Students and others will find in the following works, by Prof. 

 Asa Gray, a most efficient aid to the study of Botany, viz : — 



"How Plants Grow." 



" Lessons in Botany and Vegetable Physiology." 



"Manual of Botany." 



"Structural and Systematic Botany." 



