20 LACKA WANNA AND WYOMING FLORA. 



ROSA, TOURN. 

 ROSE. 



220. R. setigera, Michx. PRAIRIE R. By road N. of Taylorville. A 

 doubtful specimen. Dudley. 



221. R. blanda, Ait. Near Kingston, in herb. Thurstqn. 



222. R. Carolina, L. Not uncommon in swamps, on islands, etc. 



223. R. humilis, Marsh. (See 6th ed. Man., p. 163.) Frequent, es- 

 pecially in mountain woods. Penobscot Knob. Dudley. W. Pitts- 

 ton. Miss Carlson. 



224. R. RUBIGINOSA, L. SWEETBRIER. Frequent. 



225. R. CANINA, L. DOG ROSE. A single plant toward the river be- 

 low Forty Fort ; another by road at base of cliff opp. Campbell's Ledge. 



PYRUS, L. 

 PEAR. APPLE. 



226. P. MALUS, L. APPLE. Wild in lower Lackawanna Valley. 

 Dudley. Very many varieties in cultivation. 



227. P. COMMUNIS. COMMON PEAR. Cultivated. 



228. P. coronaria, L. WILD CRAB APPLE. Frequent throughout. 



229. P. arbutifolia, L. CHOKE-BERRY. (Fruit red.) Rather common. 

 Var. melanocarpa, Hook. (Fruit black.) Near Atherton's Pond. 

 Dudley. 



230. P. Americana, DC. MOUNTAIN ASH. Bald Mt.; Pocono Sum- 

 mit ; Lehigh Pond, in herb. Dudley. Above Luzerne. Thurston. 



231. P. sambucifolia, Cham. & Schlecht. Near Luzerne, apparently 

 spontaneous; in herb. Thurston. 



CRAT/EGUS, L. 



HAWTHORN. 



232. C. OXYACANTHA, L. ENGLISH H. Escaped to roadside, sev- 

 eral shrubs, N. of Dundaff. Dudley. Hitherto escaped in Penn'a, 

 only near Phila. Prof. Porter. 



233. C. coccinea, L. SCARLET THORN. Frequent throughout. At 

 Penobscot Knob specimens noticed with leaves cuneate at base. 

 Dudley. Var. macracantha, Dudley. (See Man., p. 165; also 

 Cayuga Flora, p. 33.) Duryea; S. of Wilkes-Barre ; lower Lacka- 

 wanna Valley. J)iittlty. 



