No. 50.] 157 



Symphytum, L. Comfrey . 



§ officinale, L. Cultivated grounds . June . 



Lycopsis, L. Small Bugioss. 



§ arvensis, L. Sandy fields. June-July. 



Myosotis, L. Scorpio?! Grass. 



palustris, Roth. Ditches and wet grounds. May-July. 

 arvensis, Sibth. Sandy woods . May-June . 



Echinospermum, Lehm . 



§ lappula, Lehm. Road sides and fields. July, 

 virginicum, Lehm. Borders of woods and thickets. July. 



Cynoglossum, L. HounoV s-tongue . 



officinale, L. Road sides, &c . May-June . 

 virginicum. L. Woods, in rich soil. May-June. 



PULMONARIA, L. LungW/t . 



virginica, L. Sandy alluvial soil, western counties . May. 



Echium, L. Viper's Bugioss. 



§ vulgare, L. Blue Thistle . Fields and hill sides . June . 



Order HYDROPHYLLACEiE . 



Hydrofhyllum, L. 



virginicum, L. Moist shady places . June . 

 canadense, L. Woods. June. 



Order LABIATiE. The Mint Tribe. 



Lycopus, L. Water Horehound . 



sinuatus, Ell., Benth. L. europeeus, Pursh and others, not of 

 Linn. L. americanus, Muhl. Overflowed places. 

 August . 

 virginicus, L. Bugle-weed. Low wet places and woods. July- 

 August . 



Mentha, L. Mint. 



§ viridis, L. Spearmint . Moist grounds . July- August . 

 § piperita, L. Peppermint. Moist grounds . August, 

 canadensis, L. M. borealis, Michx. Wet thickets and meadows. 

 August . 



