( 26 ) 



3. BARTONIA, Muhl. 

 tenella, Muhl. 



4. MENYANTHES, Tourn. 



trifoliata, L. Buckbean. 



5. LIMNANTHEMUM, Grael. 

 rriseb. Plainfield, and southward. 



Order 60. APOCYNACEiE. 



APOCYNUM, Tourn. 



1. androsaemifolium, L. Dogbane. 



2. cannabinum, L. Indian Hemp. 



Order 61. ASCLEPIADACE^E. 

 1. ASCLEPIAS, L. Milkweed. 



1. Cornuti, Decaisne. 



2. phytolaccoides, Pursh. 

 ;}. purpurascens, L. 



4. quadrifolia, Jacq. 



r>. incarnata, L. 



6. obtusifolia, Michx. 



7. tuberosa, L. Pleurisy-root. 



8. verticillata, L. 



2. ACERATES, Ell. 

 viridiflora, Ell. Worcester county, Hitchcock; probably within 

 our limits. 



3. VINCETOXICXJM, Moench. 

 nigrum, Moench. Brattleborough, Frost. 



Order 62. OLEACEiE. 



1. LIGUSTRUM, Tourn. 

 vulgare, L. Privet. Roadsides. 



2. FR.AXINTJS, Tourn. Ash. 



1. Americana, L. White Ash. 



2. pubescens, Lam. Red Ash. 



3. viridis, Michx. f. 



4. sambucifolia, Lam. Black Ash. 



Division III. APETALOUS. 



Order 63. ARJSTOLOCHIACEiE. 

 1. ASARUM, Tourn. 

 Canadense, L. Wild Ginger. 



