THE AMERICAN BOTANIST 23 



Vaccinium macrocarpon. Cranberry. The fruit of this 

 and of V. oxycoccus yield the cranberries of commerce. 

 V. macrocarpon is cultivated in many places. 



EBENACEAE. 

 Diospyros Virginiana. Persimmon. The edible fruit 

 well known. Probably easily improved by breeding. 



. APOCYNACEAE. 

 Apocynum amdrosaemifoliiiin. Dogbane. This species 

 and A. cannabiniim (Indian hemp) yield a strong fiber. 



ASCLEPIADACEAE. 

 Asclepias Syriaca. Milkweed. Young shoots highly 

 valued as a potherb. Latex yields rubber. 



Asclepias tuberosa. Butterfly-weed. Officinal drug. 



BORAGINACEAE. 



Plagiobotrys nothofulviis. Popcorn Flower. Roots and 

 stem yield a purple dye. 



Symphytum officinale. Comfrey. Young shoots used as 

 a potherb. 



LABIATAE. 



Stachys palustris. Woundwort. Rootstock producing 

 tuberous stolons similar to those of the allied Chinese artichoke. 



Monarda Ustnlosa. Wild Berganot. The drug thymol 

 produced from the leaves and stems. 



Mentha piperita. Peppermint. This species and M. 

 arrensis produce menthol. A number of other species of the 

 Labiatae produce essential oils which are used for flavoring, in 

 perfumery, etc. 



Hcdcoma pulcgioidcs. Pennyroyal. An officinal drug. 



Salvia Columbariae. Chia. Seeds used by the Indians. 



SOLANACEAE. 



Sola nu in nigrum. Black Nightshade. Berries reputed 

 to be poisonous, but harmless and well flavored when ripe. 



