52 



(10. Gerardia.) 



tenuifolia, Vahl. 



Dry sterile woods. Common. Aug. 

 flava, L. (Yellow Gerardia.) 



Hilly open woods. Frequent. July, 

 quercifolia, Pursh. 



Rich woods; Brandy wine. Frequent. Aug. 

 pedicularia, L. 



Dry open woods. Frequent. Aug. 



11. Castilleia, Mutis. (Euchroma, Nutt.) 



coccinea, Spreng. (Painted Cup.) 



Low grounds; J. Kellam's and elsewhere. Rather 

 rare. April. 



12. Pedicularis, Tourn. 



Canadensis, L. (Lousewort.) 



Woods and banks. Frequent. May. 



lanceolata, Michx. (Tall Lousewort.) 



Borders of swamps; Thompson's, &c. Frequent. 

 Aug. 



13. Melampyrum, Tourn. 



Americanum, Michx. (Cow Wheat.) 



Sandy woods; Rodgers', &c. Frequent. June. 



Order 58.*— ACANTHACE^S. 75. 



1. DlANTHERA, GrOllOV. 



Americana, L. (Water Willow.) 



Banks of Canal; St. George's. Frequent. July. 



Order 59.— VERBENACE^E. 76. 



1. Verbena, L. 



hastata, L. (Blue Vervain.) 



Meadows. Common. July, 

 urticifolia, L. (White Vervain.) 



Old fields, pastures, &c. Common. July, 

 officinalis, L. (Common Vervain.) 



Streets of Wilmington. Scarce elsewhere. July. 



2. Phryma, L. 



Leptostachya, L. (Lop-seed.) 



Rich woods; Brandy wine, &c. Frequent. July. 



