Tennesske Flora. 137 



GENTIANA L. 



Gentiana quinquefolia L. Stiff gentian. Frog Mts., Polk 

 Cpunty. Hills around the copper mines. August, September. 



G. Saponaria L. Soapwort gentian. Moist thickets in the 

 highlands. September, October. M. 



G. Andrewsii Griesebach. Closed gentian. HigJilands. 

 South Tunnel. August, September. , 



G. villosa L. G. ochroleuca Frcphl. Stringed gentian. Bar- 

 rens. O: S. September, October. M. , \ 



FRASERA Walt. 



Frasera Carolinensis Walt. American, Columbo. Barrens. 

 O. S. JuncrAugust. M. 



OBOLARIA L. 



Obolaria Virginica L. Pennywort. Moist, rich woodlands. 

 O. S. Paradise Ridge. Sequatchie Valley. 



BARTONIA Miihlb.. 



Bartonia Virginica (L.) B. S. P. B. tenella Willd. Moun- 

 tain bogs. Sewanee. July-September. 



MENYANTHACE^ G. Don. 

 LIMNANTHEMUM S. G. Gmelin. 



Limnanthemum lacunosum Griesb. Floating heart. Cy- 

 press swamps. W. Tenn. July, August. 



APOCYNACE.^ Lindl. 

 AMSONIA Walt. 



Amsonia Amsonia (L.) ' Britton.. A. Tabernaemontana 

 Walt. Including A. latifolia Michx. and A. salicifolia Pursh. 

 O, S. In moist soil. May, June. 



VINCA L. 



Vinca minor L-. Periwinkle. On all old graveyards. Ma- 

 tures and propagates from seed. Introduced from Europe. 

 March-Mav. 



APOCYNUM L. 



Apocynum androsaemifolium L. Spreading dogbane. O. S. 

 July, August. M. 



A. cannabinum L. Indian hemp. O. S. June-August. M. 



