Rhode Island Plants. 



766. Discopleura capillacea, D. C pro. IV. p. 106. T. 

 fy G. Fl. I. p. 607. Grows abundantly in salt water marshes 

 on the banks of the Seekonk and Providence rivers ! 



767. Slum latifolium, Linn. Big. Fl. Bost. ed. 2, p. 111. 

 D. C. pro. IV. p. 124. Hook. Fl. Bor. Am. I. p. 262. T. fy 

 G. Fl. I. p. 611. Marshes, Seekonk, Mass. ! R. I. ! 



768. Thaspium cordatum, &. T. Sf G. Fl. I. p. 615. Smyr- 

 nium cordatum, Walt. Zizia cordata, Koch. — D. C. IV. p. 

 100. Hook. Fl. Bor. Am. I. p. 260. Rare in Rhode Island, 

 Warwick ! 



769. Osmorhiza brevistylis, D. C. pro. IV. p. 232. Hook. 

 Fl. Bor. Am. I. p. 272. T. <$r G. FL I. p. 638. Uraspermum 

 hirsutum, Big. Fl. Bost. ed. 2, p. J 12. This plant is numbered 

 225 in a former catalogue as a New York plant ; it is now 

 found in Cumberland, R. I. ! 



COMPOSITE. 

 American botanists are indebted to Prof. Gray, of Cambridge, 

 for his invaluable labors in this vast order, and I am particu- 

 larly obliged to this same courteous and distinguished botanist 

 for much aid in the determination of the doubtful species in 

 this, as well as in other orders. 



770. Eupatorium hyssopifolium, Linn. T. fy G. ! Fl. II. 

 p. 84. Spectacle Pond, Smithfield ! Mr. George Thurber ! 



77\. Aster Radula, Ait. Hook. Fl. Bor. Am. II. p. 7. D. 

 C. pro. V. p. 230. T. fy G. ! Fl. II. p. 106. Sandy fields 

 near Seekonk river ! 



772. A. multiflorus, Ait. Lindl. in D. C. V. p. 243, and in 

 Hook. Fl. Bor. Am. II. p. 13. T. c^ G. ! Fl. II. p. 124. Rhode 

 Island ! not rare. 



773. A. Tradescanti, Linn. D. C pro. V. p. 241. T. fy 

 G. ! Fl. I. p. 129. Rhode Island ! 



$. fragilis. 



774. A. miser, Linn, y diffusus. T. fy G. ! Fl. II. p. 129. 

 Borders of woods ! 



775. A. laxus, Willd. D. C. pro. V. p. 240. T. &r &. FL 

 II. p. 134. Marshy places ! 







