90 Miller The Dogbanes of the District of 



EXPLANATION OF PLATE II. 



(All figures three times natural size ) 



Fig. 1. Apocynum androsxmifolium Linmeus, from Maryland. 



Fig. 2. Apocynum speciosum Miller, topotype. 



Fig. 3. Apocynum medium Greene, topotype. 



Fig. 4. Apocynum urceolifer Miller, topotype. 



Fig. 5. Apocynum album Greene, topotype. 



Fig. 6. Apocynum cannabinum Linnaeus, large-flowered form, from Ken 

 sington, Maryland. 



Fig. 7. Apocynum cannabinum Linnaeus, small flowered form, from Capitol 

 View Park, Maryland. 



