No. 50.J 179 



Order ALISMACE.E. The Water-Plantain Tribe. 



Sagittaria, L. Arrow-head. 



sagittifolia, L. Ditches and wet grounds. July- August. 

 Var. 1 . vulgaris, Hook. S. sagittifolia, Ph. 



— 2. latifolia, Torr. Var. macrophylla, Hook. S. latifolia 



and obtusa, Ph. 



— 3. pubescens, Torr. 



— 4. hastata, Torr. S. hastata, Pursh. 



— 5. gracilis, Torr. S. gracilis and heterophylla, Ph. 



— 6. simplex, Hook. S. simplex, graminea & aeutifolia, Ph. 



— 7. rigida, Torr. S. rigida, Pursh. 

 pusilla, Nutt. Muddy banks of streams . August . 



Alisma, L. Water Plantain, 



plantago, L. A. parvifiora, Pursh. In water . July- August * 



Order JUNCE.E. The Rush Tribe. 



Luzula, D. C . 



campestris, D. C. Meadows and dry woods. April-May. 

 pilosa, Willd. Open woods, banks of rivers, &c . Northern and 



western counties . May . 

 melanocarpa, Desv. High mountains of Essex county. July. 



Juncus, L. Rush. 



effusus, L. Low wet grounds . June . 



nliformis, L. Borders of lakes, northern and western counties . 



July, 

 balticus, Willd. Sandy shore of Lake Erie and the St. Lawrence. 



July, 

 nodosus, L. J. polycephalus, Michx. J. echinatus, Ell.? Wet 



meadows and swamps. June, 

 tenuis, Willd. Low grounds, and in dry places . June-July . 

 acuminatus, Michx. Borders of ponds, &c. July, 

 marginatus, Rostk. Sandy wet places . June-July, 

 bufonius, L. Wet low grounds . July, 

 trifidus, L. Summit of Mount Marcy, Essex county, 

 bulbosus, L. Salt marshes. July- August, 

 stygius, L. Sphagnous swamps, near Perch lake, Jefferson county. 



August. Dr. Gray. 



