Rhode Island Plants, 9 



CALLITRICHACEiE. 

 Sll. Callitriche autumnalis, Linn. Hook. Fl. Bor. Am. 

 I. p. 217. Common ! but it is probably not entitled to the rank 

 of a species. 



JUGLANDACEiE. 



812. Carya amara, Nutt. Gen. II. p. 222. Hook. Fl. Bor. 

 Am. II. p. 144. Juglans amara, Michx. Sylv. I. p. 170. t. 33. 

 Providence, Mr. T. A. Greene, Jr. ! 



CUPULIFERJE. 



The Q,uercus coccinea and Q,. palustris are, I believe, 

 found in this vicinity, but I have neglected to gather fruiting 

 specimens. Mr. George Hunt informs me, that there are trees 

 in Cumberland which may prove to be the Q,. prinus, and I 

 have found small trees in North Providence with leaves resem- 

 bling the Q,. TRILOBA. 



CONIFERJE. 



813. Juniperus communis, Linn. Hook. Fl. Bor. Am. II. p. 

 165. Not very abundant, but found in several localities. 



S14. J. sabina, Linn. Hook. Fl. Bor. Am. II. p. 166. J. 



Virginiana of American authors. Abundant ! 



SALICACEjE. 



815. Salix recurvata, Pursh? Sandy banks, flowering 

 very early. 



816. S. grisea, Willd? Banks of streams! 



817. S. Muhlenbergiana, Willd ? The most showy Rhode 

 Island species. 



LEMNACE^. 



818. Lemna polyrhiza, Linn. Hook. Fl. Bor. Am. II. p. 

 169. North Providence. Prof. Bailey. 



819. L. minor, Linn. Hook. Fl. Bor. Am. II. p. 169. Prov- 

 idence ! Prof. J. W. Bailey. 



NAIADACEJE. 



820. Zannichellia palustris, Linn. Pursh. Am. Fl. I. p. 

 4. Hook. Fl. Bor. Am. II. p. 170. Cranston ! Providence ! 



2 



