No. 50.] 135 



Pyrus, Lindl. Apple, Pear, fyc. 



§ malus, L. Apple Tree . Naturalized in some places . May . 

 eoronaria, L. Sweet-scented Crab-apple. Woods. April-May. 

 aucuparia, Gcert. Sorbus aucuparia, L., Miclix. S. americana 

 and microcarpa, Pursk. Mountain Ash . Moun- 

 tain swamps and shady hill sides . May . Not 

 found south of the Highlands . 

 arbulifolia, L.f. 



Var. 1 . erythrocarpa. P. arbutifolia, D. C . 

 Var. 2. melanocarpa. P. melanocarpa, D. C. 



Choke-berry. Woods and hill sides. May- June. 



Order MELASTOMACE.E. 



Rhexia, L. 



virginica, L. Deer Grass . Swamps . August . 



Order LYTHRACEiE. The Loose-strife Tribe. 



Lythrtjm, L. Loose-strife. 



hyssopifolia, L. In the State of New- York . Nuttall . 



Cuphea, L. 



viscosissima, Jacq. Fields, &c. northern and western counties . 

 September . 



Decodon, Gmel. 



verticillatum, Ell. Swamps. August. 



Order ONAGRACEiE. The Evening Primrose Tribe. 



Epilobium, L. Willow Herb. 



angustifolium, L. E. spicatum, Lam. Banks of rivers and low 



grounds . July . 

 alpinum, L. Adirondack mountains . August, 

 coloratum, Muhl. Wet places . July- August . 

 molle, Torr. E. strictum, Muhl. Sphagnous swamps. August, 

 palustre, L. Swamps. August. 



Var. albifiorum, Lelmi. E. oliganthum, Michx. E. squamatum, 

 Nutt . Sphagnous swamps . August-September. 



Gaura, L. 



biennis, L. Dry soil, river banks, &c . August . 



