80 



3. Zygadenus, Michx. 



leimanthoides? Gray. 



Swamps; Thompson's. Rare. July. 



4. Veratrum, Tourn. 



viride, Ait. (White Hellebore.) 



Swamps and low ground. Frequent. May. 



5. Helonias, L. 



bullataj L. (H. latifolia, Michx.) 



Swamps; Thompson's, J. Peach's. Rare. May. 



6. CHAMiELIRIUM, Wffld. 



luteum, Gr. (Devil's Bit. Blazing Star.) 



Moist woods and meadows; J. Lovering's, &c. Fre- 

 quent. May. (Helonias dioica, Pursh.) 



Order 106.— JUNCACE^J. 128. 



1. Luzula, DC. 



campestris, DC. (Field Rush.) 



Fields and open woods. Common. May. 



2. Juncus, L. 



effusus, L. (Common Rush.) 



Marshy ground. Common. June, 

 setaceus? Rostl:. 



Wet grounds; Appoquinimink. Rare. July, 

 paradoxus, E. Meyer. 



Swampy ground, throughout. Frequent. July, 

 debilis, Gray. (J. polycephalus, Darlingt.) 



Wet grounds, throughout. Frequent. June, 

 acuminatus, Miclix. y in Gray. 



Swamps; Thompson's, &c. Frequent. Aug — Sept. 

 marginatus, Rostk. 



Moist sandy woods. Frequent. June, 

 tenuis, Wifld. 



Moist fields, &c. Common. June, 

 bufonius, L. (Toad Rush.) 



Wet places; roadsides. Common. July. 



Order 107.— PONTEDERIACEJE. 129. 



1. PONTEDERIA, L. 



cordata, L. (Pickerel-weed.) 



Muddy shores and ditches. Very common. July. 



