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6. ECHINOSPERMUM, Swart*. 

 L a p p u 1 a , Lehm. Brattleborough, Frost. 



7. CYNOGLOSSUM, Toum. Hound's Tongue. 



1. officinale, L. 



2. Virginicum, L. Brattleborough, Frost. 



3. Morisoni, DC. 



Order 56. HYDROPHYLLACE^. 



HYDROPHYLLUM, L. 



1. Virginicum, L. 



2. Canadense, L. Windsor, Hitchcock. 



Order 57. CONVOLVTJLACEiE. 

 1. CALYSTEGIA, R.Br. Bindweed. 



1. sepium, E. Br. 



2. spithamsea, Pursh. 



2. CUSCUTA, Tourn. Dodder. 

 Gronovii, Willd. 



Order 58. SOLANACE-ffi. 

 1. SOLANTJM, Tourn. 



1. Dulcamara, L. Bittersweet. 



2. nigrum, L. Xightshade. 



2. PHYSALIS, L. Ground Cherry. 

 viscosa, L. 



3. NICANDRA, Adans. 

 physaloides, Gaertn. Apple of Peru. Waste grounds. 



4. HYOSCYAMUS, Tourn. Henbane. 

 n i g e r , L. TTaste places. 



5. DATURA, L. Thorn-Apple. 



1. Stramonium, L. 



2. T a tula, L. 



Order 59. GENTIANACE-ffi. 

 1. HALENIA, Borkh. 

 denexa, Griseb. Cummington, Jcsup. 



2. GENTIANA,L. Gentian. 



1. quinqueflora, Lam. Leverett, Jesup. Hoosac mtn., Hitchcock. 



2. crinita, Fro el. 



3. Andrewsii, Griseb. 



4 



