No. 50.] 135 
Pyrus, Lindl. Apple, Pear, &c. 
§malus, LZ. Apple Tree. Naturalized in some places. May. 
coronaria, L. Sweet-scented Crab-apple. Woods. April-May. 
aucuparia, Gert. Sorbus aucuparia, L., Michx. S. americana 
and microcarpa, Pursh. Mountain Ash. Moun- 
tain swamps and shady hill sides. May. Not 
found south of the Highlands. 
_ arbutifolia, L. f. 
Var. 1. erythrocarpa. P. arbutifolia, D. C. 
Var. 2. melanocarpa. P. melanocarpa, D.C. 
Choke-berry. Woods and hill sides. May-June. 
Orpver MELASTOMACE. 
Ruexia, L. 
virginica, L. Deer Grass. Swamps. August. 
OrpvpER LYTHRACEA. Tue Looss-strire TRipe. 
Lyrurum, L. Loose-strife. 
hyssopifolia, L. In the State of New-York. Nuttall. 
Cupnea, L. 
viscosissima, Jacg. Fields, &c. northern and western counties. 
September. 
Decopon, Gmel. 
verticillatum, Kil. Swamps. August. 
OrpER ONAGRACE. Tue Evenine Primrose T'rise. 
Epitosium, L. Willow Herb. 
angustifolium, LZ. E.spicatum, Lam. Banks of rivers and low 
grounds. July. 
alpinum, £. Adirondack mountains. August. 
coloratum, Muhl. Wet places. July-August. 
molle, Torr. E. strictum, Muhl. Sphagnous swamps. August. 
palustre, L. Swamps. August. 
Var. albiflorum, Lehm. E. oliganthum, Miche. E. cuiciniiens 
Nutt. Sphagnous swamps. August-September. 
Gavra, L. 
biennis, L. Dry soil, river banks, &c. August. 
