17 

 EQUISETACEAE. 



'Equisetum arvense, L. 

 " sylvaticum, L. 



" hyemale, L. 



The following species are represented in the 

 herbarium by specimens from other parts of the 

 county. 



Nasturtium Armoracia, Fries. 

 Barbarea praecox, R. Br. 

 Thlaspi arvense, L. 

 Lepidium campestre, L. 

 Hibiscus Moscheutos, L. 

 Lupinus perennis, L. 

 Geum rivale, L. 

 Potentilla palustris, Scop. 

 Ruhus odoratus, L. 

 Sedum Telephium, L. 

 Nesaea verticillata, II. B. K. 

 Vernonia Noveboracensis, Willd. 

 Aster amethystinus, Nutt. 

 Lobelia Dortmanna, L. 

 Veronica serpyllifolia, L. 



" peregrina, L. 

 Verbena bracteosa, Mx. 

 Utricularia inflata, Walt. 



" intermedia, Hayne. 



" cornuta, Mx. 



Mentha piperita, L. 

 Phvsostegia Virginiana, Benth. 

 Echium vulgare, L. 

 Lithospermum arvense, L. 

 Myosotis palustris, With. 

 Castilleia coccinea, Spreng. 

 Vincetoxicum nigrum, Moench. 

 Oxybaphus nyctagineus, Sweet, var. pilosus. 

 Habenaria hyperborea, R. Br. 



" orbiculata, Torr. 



Pogonia verticillata, Nutt. 

 Clintonia borealis, Raf. 



The remaining lists are intended to include all the 

 species of the county, as far as known. All but 

 Lycopodium dendroideum, L. var. obscurum, and 

 the Characeae, are represented in the herbarium. 



