ROSACES. 103 



** Leaves palmate, with 3 5 Uafets. 



t Frutescent. 



4. R. setosus Big. : stem strongly hispid ; branches setose at the 

 apex ; leaves ternate or quinate, on long petioles ; leafets obovate- 

 wedgeform, simply serrate, smooth, of the same colour on both sides ; 

 flowers in racemes, with bristly pedicels ; petals obovate-wedgeform, 

 longer than the calyx. 



HAB. Swamps. Can. and Mass. Big. June. ^>. Flowers 

 white. Fruit red. Bristly Raspberry. 



5. R. cuneifolius Pursh : stem petioles and peduncles tomentose ; 

 prickles few, recurved ; leaves ternate and quinate, palmate ; leafets 

 wedgeform, ovate, entire at the base, subplicate, tomentose beneath ; 

 flowers in terminal panicles; pedicels divaricate, naked, 1-flowered. 

 R. parvijlorus Walt. 



HAB. Sandy fields. N. J. to Car. June. T?.Stem 23 feet 

 high. Flowers white. Fruit black, ovate, juicy, eatable. 



6. R.frondosus Big. : stem prickly, erect ; leaves ternate or quinate; 

 pubescence simple ; racemes leafy, about ten-flowered ; petals orbi- 

 cular. 



HAB. Road sides, near Boston. Big. May, June. ^> Flow- 

 ers white, large. Fruit black, agreeable. Approaches R. villo- 

 sus, and has probably been confounded with it, but differs, ac- 

 cording to Dr.- Bigelow, in habit, and in having the pubescence 

 simple, the flowers in leafy racemes, and the petals orbicular- 

 ovate. Leafy Raspberry. 



7. R. villosus Ait. : pubescent, hispid and prickly ; leaves ternate, 

 Barely quinate-palmate, villose ; leafets ovate, doubly serrate ; flowers 

 in lax panicles ; lobes of the calyx short-acuminate ; pedicels solitary. 



HAB. Fields and hedges. Can. to Car. June. 1>. Stem 4 6 

 feet high. Flowers white, 20 or more in a raceme. Fruit large, 

 black. High Blackberry. 



8. R. hispidus Linn. : stem sarmentose-procumbent, and with the pe- 

 tioles and peduncles strongly hispid ; prickles few, recurved ; leave* 

 in threes or fives, palmate ; leafets unequally dentate, smoothish, 

 wedgeform at base ; pedicels solitary, elongated ; petals obovate. R. 

 tricialis Mich. R. procumbens Muhl. R. Jlagellaris Wllld. (According 

 to Sprengel. ) R. sempervirens Big. ? 



HAB. Barren grounds. Can. to Car. May, June. ^>. Flowers 



white. Berries large, black and well flavoured. Sprengel's views 



concerning the identity of the above supposed distinct species, 



-appear to me to be entirely correct. Low Blackberry. Dewberry. 



9. R. canadensis Linn. : stem purple, smoothish ; leaves in threes 

 and fives, palmate ; leafets lanceolate, acutely serrate, naked on both 

 sides ; stipules linear, subaculeate; pedicels elongated, 1 3-flowered ; 

 calyx 5 7--clefl. Cylactis montana Raf. 



