SnAFKR : \'AScr[-.\R Imora <)I' A I.I I ( ;hkn V County. 77 



I" F. Pennsylvanica Marshall. Red a.sh. 

 /'". piibfscens Lamarck. 



? F. quadrangulata Michaux. Blue ash. 



=f= F. nigra Marshall. IJlack ash. 

 F . saml'iicifolia Lamarck. 



Stowe Township. Wet woods, (iraham tract, Sept. 15, 1H99. 



LIGUSTRUM Linnffius. 



* L. vulgare Linn;tus. Trivet. 



Spontaneous about old gardens. 



APOCYNACEiE Lindley. 

 DOGBANE FAMILY. V-17. 

 APOCYNUM Linnffius. 

 ■^ A. androsaemifolium Linnaeus. Spreading dogbane. 



* A. cannabinum Linnaeus. Indian hemp. 



=i= A. cannabinum glaberrimum De Candolle. 



■'^ A. hypericifolium Aiton. Clasping-leaved dogbane. 



Penn Township, river bank, A. V. R. R., at mile-post 8, June, 

 1884. 



VINCA Linnc-eus. 



-■= V. minor Linnaeus. Periwinkle. 



Occasionally escaped near old graveyards. 



ASCLEPIADACE^ Lindley. 

 MILKWEED FAMILY. V-18. 

 ASCLEPIAS Linnaeus. 

 -^ A. tuberosa Linn;vus. Pleurisv-root. 



