12 



Baptisia. Veut. B. tinctoria. R. Br. Common. 



Cassia. L. C. Marilandica. L. Quite common near El- 

 tingville and Giffords. Plenty near Clove Lake. 



C. Chamaecrista. L. Common. 



C. nietitans. L. Common. 



Gleditschia. L. G. triacanthos. L. Common in cultiva- 

 tion, and occasionally escaped. 



ROSACEA. 



Prunus. Tourn. P. Americana. Marshall. Near Clove Lake. 

 Rather rare. 



P. maritima. Wang. Common on the beach. 



P. Virginiana. L. {Elliot Collection!) 



P. serotina. Ehrhart. Common. 



Spiraea. L. S. salicifolia. L. Rather common. 



S. tomentosa. L. Quite common. Near Clove Lake, New 

 Dorp, and Court House. 



Poterium. L. P. Canadense. Gray. Common. Near Clove 

 Lake, and along salt meadows near Garretson's and New Dorp. 



Agrimonia. Tourn. A. Eupatoria. L. Common. 



A. parviflora. Ait. Not common. Thickets near New Dorp ; 

 also at Tottenville. 



Geuin. L. G. album. Gmelin. Common. 



G. Virginianum. L. Not common. 



Potentilla. L. P. Norvegiea. L. Common. 



P. Canadensis. L. Common. Var. simplex. Torr. and 

 Gr. Common. 



P. argentea. L. Not common. Sparingly near Four Corners. 



P. Anserina. L. {Elliot Collection!) 



Fragaria. Tourn. F. vesca. L. Common. 



P. Virginiana. Ehrhart. {Elliot Collection!) Near Silver Lake. 

 Sparingly. 



Rubus. Tourn. R. triflorus. Richardson. Common near 

 Clove Lake. 



R. oceidentalis. L. Common. 



R. villosus. Ait. Very common. 



R. Canadensis. L. Common. 



R. hispidus. Frequent in swamps. 



R. cuneifolius. Pursh. Pine Grove, near Tottenville. 



Rosa. Tourn. R. Carolina. L. Common. 



R. lucida. Ehrhart. Common. 



R. rubiginosa. L. Rather common. 



R. micrantha. Smith. Rather rare. Huguenot. Near Silver 

 Lake. 



Crataegus. L. C. Oxyacantha. L. Abundant on a brook 

 near New Dorp. 



C. Crus-galli. L. Quite common. 



C. parvifolia. Ait. Abundant at Tottenville. 



Pyrus. L. P. arbutifolia. L. Common. 



P. malus. L. Is thoroughly established in copses on the Island. 



