15 



From May 1st to 10th. 



Cyperacew. 



Sedffe. 



Carex buUata, 

 lurida. 

 hysti-ioina, 

 Pseudo-Cypevus, 



var. Aineiieana, 

 vestita, 

 filiforrais, 



*var. latifolia, 

 vulgaris, 

 stricta, 

 crinita, 

 virescens, 

 *arctata, 



debilis var. Riidg'ei, 

 gTacilliiiia. 

 flava, var. viridula, 

 pallescens, 

 conoidea, 

 laxiflora, 



var. varians, 

 *tetauiea, 

 aurea, 

 communis, 

 polj'trieholdes, 

 stipata, 

 vulpiiioidea, 

 rosea, 



Muhleubergii, 

 *cephalopli<)ra, 

 echiuata var. cephalantha, 



do. var. microstachys, 

 canescens, 



var. vulgaris, 

 trisperma, 

 tribuloides. 

 *silicea, 

 straminea, 



do. var. frenea, 



do. var. aperta, 

 Eleocharis tenuis, 

 palustris, 



Sandv soil. 



Low meadows. 



Drv hill-sides. 



Sterile soils. 



Spike-rush. 



Bogs, mai-shes, &c. 



* In herb. Dr. E. L. Stnrtevant, and ileturniined by Prof. L. H. Baik'y. 



