34 FLORA OF THE UPPER SUSQUEHANNA. 



RUBUS L. 



R. odoratus L. Pl-ri'le-ki.owering Raspberry. Thi.mblf.-herry, 

 Ml LBKKRV. Common in cool rocky woods, especially in ravines. 

 Well-known for its showy blossoms. Fruit nearly flat, insipid. 

 June. 



R. Americanus (Pers. ) Britton. Dwarf Raspberrv. Frequent, 

 especially in low woods. Fruit consists of a few large, dark-red 

 grains. " This appears to be more properly a blackberry." — 

 Gray's Manual. {R. triflorus Richards.) 



R. strigosus Michx. Wild Red RASI'BERR^ . Common through- 

 out in woods, along roadsides, and especially in slashings. Well 

 known and valued for its fruit. 



R. occidentalis L. Black RASPBERR^ . Black-cap. Thimble- 

 i;kkrv. As well distributed as the preceding, but in somewhat 

 lesser numbers. Found in woods, thickets and fence-rows. 

 Usually very fruitful. 



R. villosus Ait. Hicn Blackberry. Abundant in woods, thick- 

 ets, and especially in clearings. 



R. villosus frondosus Torr. Smooth-Stemmed Blackberry. 

 ( )ccasional, Graves. Frequent, Lucy. The only recorded lo- 

 calities within our range. Plant smoother, less glandular, and 

 with larger bracts than the species, which it otherwise closely 

 resembles. (/?. villosus, wax. frondosus Torr.) 



R. Canadensis L. Dewberry. Low Blackberry. Rlnninc. 

 Blackberry. Common in fields and on hillsides. Stem pros- 

 trate. Fruit consisting of numerous large, black grains, each 

 enclosing a hard seed. Less valued than the high blackberry. 



R. hispidus L. Ri nmm; Swamp Blackberry. Plentiful in low, 

 open woods and swamps. Fruit of little consequence. Leaves 

 persisting through the winter. 



DALIBARDA L. 



D. repens L. False Violei. Common in moist woods. Scarce, 

 Jj(cy. Somewhat resembling a violet. Leaves roundish-cor- 

 date, crenate; flowers white; sepals spreading or reflexed in 

 flr)\ver, erect iti fruit ^i^rfirK by creeping shoots. June. 



