PLANTS OF RHODE ISLAND. 37 
oP oe 
wo eR 
. £ 
OrvER 72. THYMELEACEAZ. 
DIRCA, L. LEATHERWOOD. 
palustris, L. Cumberland, Olney ; Burrillville, &c. 
ORDER 73. SANTALACEZ. 
COMANDRA, Nutt. Bastarp Toap FLAX. 
umbellata, Nutt. 
OrpvER 74. CHRATOPHYLLACESA. 
CHERATOPHYLLUM, L. Hornwort. 
demersum, L., var. commune. Stillwater. 
var. echinatum. Wenscott Reservoir. 
ORDER 7. PODOSTEMACEA. 
PODOSTEMON, Michx. River Weep. 
ceratophyllus, Michx. 
ORDER 76. HUPHORBIACEA. 
HUPHORBIA, L. Spurce. 
polygonifolia, L. 
maculata, L. 
hypericifolia, L. 
Cyparissias, L. CyYPREss. 
Peplus, L. Newport, Congdon ; Matunuck, Bennett. 
ACALYPHA, L. THREE-SEEDED MERCURY. 
Virginica, L. 
var. gracilens. 
ORDER 77. URTICACE4. 
ULMUS, L. Et». 
fulva, Michx. Siippery Evo. East Providence. &c. 
Americana, L. 
CELTIS, Tourn. HaAckperry. 
occidentalis, L., & vars. 
URTICA, Tourn. NETtTLE. 
gracilis, Ait. 
dioica, L. 
urens, L. 
