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Order 20.— BALSAMINACE.^. (Balsam Family.) 

 Impatiens, L. 



pallida, Nutt. (Wild Touch-me-not.) 

 fulva, Nutt. 



Order 21.— LIMNANTHACE^. 



Floerkea, Willd. 



proserpinacoides, Willd. 



Order 22.— ZANTHOXYLACEiE. 



Ptelea, L. 



trifoliata, L. 



Order 23.— ANACARDIACEtE. (Cashew Family.) 



Rhus, L. 



glabra, L. 



copallina, L. 



Toxicodendron, L. (Poison Ivy.) 



venenata, DC (Poison Sumach.) 



typhina, L. (Staghorn Sumach.) 



Order 24.— ACERACE^. (Maple Family.) 



Acer, Wang. 



saccharinura, Wang. (Sugar Maple.) 



dasycarpum, Ehrh. (White Maple.) 



rubrum, L. (Red Maple.) 

 Neguxdo, Moencli. 



aceroides, Mcench. (Box-Elder.) 



Order 25.— HIPPOCASTANACEiE, (Horse Chestnut 



Family.) 



tEsculus, L. 

 flava, Ait. 

 glabra, Willd. (Ohio Buckeye.) 



Order 26.— CELASTRACEiE. (Spindle Tree Family.) 



Staphylea, L. 



trifolia, L. (Bladder Nut.) 



