154 
[Assembly 
Order AFOGY^ACEM. The Dog-bane Tribe. 
Apocynum, L. Dog's-hane. 
androsaemifolium, L. Borders of woods, and along fences . June, 
cannabinum, L. A. hypericifolium, Ait. A. pubescens, JR. Br. 
Banks of streams, and on hill sides . July . 
Order ASCLEPIADACEiE. The Milkweed Tribe. 
Asclepias, L. Milkweed, Swallow-ioort . 
syriaca, iv. Common Milkiveed. Fields, &c. June-July. 
phytolaccoides, L. Rocky woods . June- July . 
variegata, L. A. hybrida, Michx. Dry woods . June-July . 
purpiKascens, L. Borders of woods and thickets . July . 
incarnata, L . Low grounds . July- August . 
obtusifolia, Michx . Sandy woods and hill sides . June-July . 
quadrifolia, Jacq . Rocky woods . June . 
verticillata, L . Dry hills . July . 
tuberosa, L. Pleurisy-root, Butterfly -weed. Sandy fields. July- 
August . 
ACERATES, Ell. 
viridiflora, Ell. Asclepias viridiflora, Raf. Sandy fields . July . 
Periploca, L. 
grasca, 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. 
Order GENTIANACE JE . The Gentian Tribe. 
Gentiana, L. Gentian. 
saponaria, L. Soap Gentian . Borders of swamps . September. 
Var.? linearis, Griseh. G. pneumonanthe, Michx., 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, FrdB/. Rocky open woods. September. 
