VOL. II.] 



ROSE FAMILY. 



203 



ii. Rubus Millspaughii Britton. Mill- 

 spaugh's Blackberry. (Fig. 1900. ) 



Rubus Millspaughii Britton, Bull. Torr. Club, 18: 366. 

 1891. 



Ascending, wand-like, entirely unarmed, or with 

 a few weak prickles, glabrous or the younger 

 shoots scurfy-pubescent, stems 5-i2 long. 

 Leaves long-petioled, pedately 5-foliolate, or some 

 3-foliolate; leaflets oval, thin, glabrous on both 

 sides, long-acuminate or acute, rounded or nar- 

 rowed at the base, often 6 7 long and -2' wide, 

 sharply but not very deeply dentate; stalk of the 

 terminal leaflet i^-4'long; inflorescence loosely 

 racemose; bracts linear- lanceolate; pedicels slen- 

 der, ascending; sepals lanceolate, acuminate; fruit 

 black, very pulpy, 8 // -i2 // long. 



In thickets and rich woods, mountains of New 

 England, the Adirondacks, and in the higher south- 

 ern Alleghanies. June-Aug. 



12. Rubus cuneifolius Pursh. Sand 

 Blackberry. Knee-high Black- 

 berry. (Fig. 1901.) 



Rubus parvifolius Walt. Fl. Car. 149. 1788. Not 



L. 1753- 

 Rubus cuneifolius Pursh, Fl. Am. Sept. 347. 1814. 



Shrubby, erect or nearly so, i-3 high, much 

 branched, armed with stout straight or recurved 

 prickles, the young shoots and lower surfaces of 

 the leaves densely whitish-pubescent. Stipules 

 linear; leaves petioled, 3-5-foliolate; leaflets 

 thick, rugose above, i / -2 / long, obovate or rarely 

 oval, obtuse, dentate, especially above the mid- 

 dle, the terminal one cuneate; peduncles mainly 

 terminal, 2-5-flowered; flowers white or pinkish, 

 nearly i' broad; petals exceeding the sepals; fruit 

 brownish-black, often i' long, delicious. 



In sandy soil, southern Connecticut to Florida, 

 \vot to Missouri and Louisiana. May-July. Fruit 

 ripe July-Aug. 



13. Rubus hispidus L/. Hispid or Run- 

 ning Swamp Blackberry. (Fig. 1902.) 



Rubus hispidus L. Sp. PI. 493. 1753. 



Rubus obovalis Michx. Fl. Bor. Am. i: 298. 1803. 



Stems slender, slightly woody, creeping, more or 

 less densely beset with weak bristles. Branches 

 erect or ascending, 4 / -i2 / long, naked, or with a 

 few scattered prickles; leaves petioled, 3-foliolate 

 or rarely 5-foliolate; leaflets obovate, obtuse, thick, 

 persistent, narrowed at the base, ^'-i^' long, 

 sharply serrate above the middle; peduncles ter- 

 minal or axillary, nearly or quite leafless; flowers 

 racemose, white, 6"-8" broad ; petals exceeding the 

 sepals; fruit nearly black when ripe, sour, usually 

 less than y^ long, composed of few drupelets. 



In swamps or low grounds, rarely in dry soil, Nova 

 Scotia to Ontario and Minnesota, south to Georgia 

 and Kansas. Ascends to 3500 ft. in North Carolina. 

 Leaves shining, persistent into the winter. Leaflets 

 of sterile shoots sometimes 2' -3' long. June-July. 



