51 



4. Chelone, Toum. 



glabra, L. (Turtle-head. Snake-head.) 

 Wet banks of streams. Frequent. Aug. 



5. Mimulus, L. 



ringens, L. (Monkey-flower.) 



Wet places. Frequent. Aug. 

 alatus, Ait. 



Low grounds, along rivulets. Frequent. July. 



6. Gratiola, L. 



Virginiana, L. (Hedge Hyssop.) 

 Wet places. Frequent. June. 



7. Ilysanthes, Raf. (Lindernia, Muhl.) 



gratioloides, Benth. (False Pimpernel.) 



Wet places, along rivulets. Frequent. July. 



Sub-Order 2.— RHINANTHIDE^E. 



8. Veronica, L. 



Virginica, L. (Tall Speedwell.) 



Borders of low woods; Red Clay Creek. Frequent. 

 July. 

 Americana, Schw. (Brooklime.) 



Muddy rivulets; Brandywine, near Jessup's Mill. 

 Rather rare. June, 

 officinalis, L. (Common Speedwell.) 



Dry open woods. Frequent. July, 

 serpyllifolia, L. (Paul's Betony.) 



Grassy roadsides and fields. Frequent. May. 

 peregrina, L. (Xeckweed.) 



Waste places and gardens. Frequent. May. 

 arvensis, L. (Corn Speedwell.) 



Cultivated grounds. Frequent. May. 

 hederaefolia, L. (Ivy-leaved Speedwell.) 



Pastures; Rev. A. Lee's. Rare. April. 



9. BUCHNERA, L. 



Americana, L. (Blue-hearts.) 



Sterile soil; Hand's, Smith's Bridge, &c. Not com- 

 mon. Aug. 

 10. Gerardia, L. 



purpurea, L. 



Swampy grounds. Frequent. * Aug. — Oct. 



