No. 50.] «187 
Orpver CUCURBITACE. Tue Gourp Trisz. 
Stcyos, L. Single-seeded Cucumber. . 
angulatus, L. Cultivated grounds and river banks. August. 
Hexameria, Torr. § Gr. 
echinata, Torr. g- Gr. Momordica echinata, Willd. Sicyos lo- 
batus, Michx. Moist alluvial soils. August. 
OrpER GROSSULARIACEZ. Tue Currant Trise. 
Rises, L. Currant and Gooseberry. 
prostratum, L’Herit. R. rigens and trifidum, Michz. Rocky 
places ; northern and western counties. May. 
‘floridum, L’Herit. R.recurvatum, Michzx. Wild Black Cur- 
rant. Woods and hedges. May. 
hirtellum, Miche. R.saxosum, Hook. Rocky places. May. 
rotundifolium, Miche. R. trifloram, Willd. Wild Gooseberry. 
Rocky woods, and on mountains. May-June. 
lacustre, Powr. Catskill mountains. May-June. 
cynosbati. L. Mountain woods. May-June. | 
OrperR CACTACEA. ‘Tue Cactus TRrIseE. 
Opunria, Tourn. Indian Fig. 
vulgaris, D.C. Cactus opuntia, L. Prickly Pear. Rocks, and 
in sand. June-July. 
Orprr CRASSULACE. Tue Hovss-.teex Trise. 
Sepum, L. Stone-crop. 
telephioides, Michx. Rocks on Seneca lake. Prof. J. Hail. 
Pentuorvum, L. 
sedoides, L. Low wet places. July-August. 
Orper SAXIFRAGACEA. Tue Saxirrace TRrIse. 
Saxirraca, L. Sasifrage. 
virginiensis, Miche. Rocks. April-May. 
pennsylvanica, L. Swamps and bogs. May-June. 
{Assembly, No. 50.] - 18. 
