36 PLANTS OF RHODE ISLAND. 



Okdek 70. POLYGONACB^. 

 POLYGONUM, L. Knotweed. 



orientale, L. Peince' s Feather. 



2. Careyi, Olney. 



3. Hartwrightii, Gray. Providence. 



4. incarnatum, Ell. Apponaug, &c. 



5. Persicaria, L. Lady' s Thumb. 



6. Hydropiper, L. Smartweed. 



7. acre, II. B. K. Water Smartweed. 



8. hydropiperoides, Michx. Water-Pepper. 



0. amphibium, L. 



10. Muhlenbergii, Watson. 



P. amphihiiun, var. terresfre. 



11. Virginianum, L. 



12. articulatum, L. Joixt-Weed. 

 1.3. aviculare, L. Knot-Grass. 

 14. erectum, L. 



P. avirulare, var. 



1-5. maritimum, L. Newport, &c. 



16. ramosissimum. Barrinyton. Olneij. Newport, «fec. 



17. tenue, L. 



18. arifolium, L. Tear-Thumb. 



19. sagittatura, L. Tear-Thumb. 



20. Convolvulus, L. Black Bindweed 



21. cilinode, Michx. Johnston, Bennett. 



22. dumetorum, L. Climbixg False Buckwheat. 



PAGOPYRUM, Tourn. Buckwheat. 

 esculentum, Moenoh. 



RUMEX. L. Dock. 



1. salicifolius, Weinm. Providence ; banks of Seekonk. 



2. verticillatus, L. Point Judith, &c. 



3. maritimus, L. Newport, &c. 



4. crispus,L. Narrow Dock. 



5. obtusifolius.L. 



6. Acetosella, L. Sorrel. 



Order 71. LAURACB^. 



SASSAFRAS, Nees. 

 oflBcinale, Nees. .sassafras. 



L I N D B R A , Thunberg. 

 Benzoin, Meisner. Fever-Bush, Spice-Bush. 



