38 PLANTS OF RHODE ISLAND. 



LAPORTEA, Gaudichaud. Wood Nettle. 

 Canadensis, Gaud. 



P I L E A , liindl. Clearweed. 

 pumila, Gray. 



BOEHMERIA, Jacq. False Nettle. 

 cylindrica, Willd. 



PARIETARIA, Touru. Pellitory. 

 Pennsylvanica, Muhl. 



CANNABIS, Tourn. Hemp. 

 sativa, L. 



HUMULUS, L. Hop. 

 Lupulus, L. 



Order 78. PLATANACE^. 

 PLATANUS, L. Plane. 

 occidentalis, L. Buttonball, Sycamore. 



Order 79. JUGLANDACE^. 

 JUGLANS, L. Walnut. 



1. cinerea, L. Butternut. 



2. nigra, L. Black Walnut. Doubtfully native ? 



CARYA, Nutt. Hickory. 



1. alba, Nutt. White Walnut, Sh age ark. 



2. microcarpa, Nvitt. Providence, &c. 



3. sulcata, Nutt. Shell-Bark. J. W. Congdon, Esq. 



4. tomentosa, Nutt. Mocker-Nut. 



5. porcina, Nutt, & vars. Pig-Nut. 



6. amara, Nutt. Bitter-Nut. 



Order SO. CUPULIPER^. 

 QUERCUS, L. Oak. 



1. alba, L. White Oak. 



2. obtusiloba, Michx. Post Oak. Quidnessett, Bennett. 



3. bicolor, Willd. Swamp White Oak, 



4. Prinus, L.* Chestnut Oak. Providence! 



var. monticola. Smithfiield, &c. 



var. humilis. Chinquapin Oak. 



5. ilicifolia, Wang. Bear Oak. 



*Q. macrocarpa, Mx., is reported from Buck Hill Woods. 



