154 [AssEMBLY - 
Orper APOCYNACHA. Tue Doc-sane Trise. 
Apocynum, L. Dog’s-bane. 
androsemifolium, L. Borders of woods, and along fences. June. 
cannabinum, L. A. hypericifolium, Azt. A. pubescens, R. Br. 
Banks of streams, and on hill sides. July. 
OrperR ASCLEPIADACE. Tue Mitkweep Trise. 
Asciepias, L. Milkweed, Swallow-wort. 
syriaca, L. Common Milkweed. Fields, &c. June-July. 
phytolaccoides, L. Rocky woods. June-July. 
variegata, L. A. hybrida, Miche. Dry woods. June-July. 
purpurascens, L. Borders of woods and thickets. July. 
incarnata, L. Low grounds. July—August. 
obtusifolia, Michx. Sandy woods and hill sides. June-July. 
quadrifolia, Jacg. Rocky woods. June. 
verticillata, L. Dry hills. July. 
tuberosa, L. Pleurisy-root, Butterfly-weed. Sandy fields. July- 
* August. 
AcerateEs, Ell. 
viridiflora, Hdl. Asclepias viridiflora, Raf. Sandy fields. July. 
Periptoca, L. 
greca, L. Western part of the State, indigenous or naturalized, 
Nuttall. Near Rochester, Dr. Bradley. I 
have never found this plant, nor have I received 
it from any part of the United States. 
OrveR GENTIANACE®. Tue Gentian Trisz. 
GenTiana, L. Gentian. «= 
saponaria, L. Soap Gentian. Borders of swamps. September. 
Var.? linearis, Griseb. G. pneumonanthe, Miche., Bigel.; not 
of Linn. Wet grassy places. Sources-of the 
Hudson, Essex county, August 7th. This is 
probably a distinct species. 
quinqueflora, Lam. Woods. August. 
crinita, Frel. Rocky open woods. September. 
