242 



L. mrginicum L. 



Norta altissima (L.) Britton — Rare at Orient in meadows. {Sisymbrium altissi- 



mum L.) 

 Radicula palustris (L.) Moench — (Roripa palustris (L.) Bess.) 

 Raphanus Raphanistrum L. 

 R. sativus L. — Grain fields. 



Sinapis arvensis L. — (Brassica arvensis (L.) BSP.) 

 Sisymbrium Nasturtium-aquaticum L. — Rare at Orient. {Roripa Nasturtium (L.> 



Rusby.) 

 Sophia Sophia (L.) Britton — Rare at Orient. 



Droseraceae 

 Drosera intermedia Hayne 

 D. rolundifolia L. — Rare at Southold. 



Crassulaceae 

 Sedum triphyllum (Haw.) S. F. Gray — Rare. {Sedum telephium Am. auth.) 



Saxifragaceae 

 Micranthes virginiensis (Mx.) Small — Rare at Orient. {Saxifraga virginiensis Mx.> 



Hajvlajvielidaceae 

 Hamamelis nivirgiana L. — Greenport, Southold and Gardiner's Island in moist 

 woods; no Orient records. 



Grossulariaceae 

 Grossularia Cynosbati (L.) Alill. — Orient in woods. {Ribes Cynosbati L.) 

 G. oxyacanthoides (L.) Mill. 

 Ribes vulgar e Lam. — Orient. (Formerly confused with Ribes rubrum L.) 



Platanaceae 

 Platanus occidentalis L. 



Rosaceae 

 Agri?nonia gryposepala Wallr. 

 Argentina Anserina (L.) Rydb. — Orient and Gardiner's Island on beaches and 



salt marshes. 

 Fragaria vesca L. — ^Woods. 



F. virginiana Duchesne — Hills and swamps (variable). 

 Geum canadense Jacq. 



Geum flavum (Porter) Bicknell — Greenport. 



G. virginianum L. 

 Potentilla argentea L. — Orient. 

 P. canadensis L. 



P. monspeliensis L. 



P. piimila Poir. — Orient and East Marion. 

 P. simplex Mx. — Orient. 



Rosa Carolina L. — Sometimes the bushes are almost wholly unarmed. 

 R. cinnamomea L. — Rarely escaped at Orient. 

 R. ruhiginosa L. — Sandy soil and shaded places. 



R. rugosa Thunb. — Rarely escaped at Orient on sandy beaches; determined at 

 Bureau of Plant Industry. 



