248 XL VIII. ROSACES. ROSA. 



13. R. CANINA. Dog Rose. Prickles remote, strong, compressed, falcate ; Ifts. 

 5 9, with acute, incurved, and often double serratures ; stip. rather broad, ser- 

 rulate ; ped. and cal. smooth or hispid ; sep. after flowering, deflexed and de- 

 ciduous ; fr. ovoid, red. Native of Europe. Shrub 4 8f high. 



/?. Burboniana. Ser. Lfls. ovate, subcordate, simply dentate ; fls. purple, 

 double and semi-double ; pet. concave ; sep. entire. A splendid class of roses, 

 of which more than 100 varieties are cultivated. They are hardy, with am- 

 ple and glossy foliage. 18 other varieties are described by Seringe in DC. 



14. R. CENTIFOLIA. Hundred-leaved or Provens Rose. Prickles nearly straight, 

 scarcely dilated at base ; Ifts. 5 7, ovate, glandular-ciliate on the margin, sub- 

 pilose beneath; flower-bud short-ovoid; sep. spreading (not deflexed) in flower; 

 fr. ovoid ; cal. and ped. glandular-hispid, viscid and fragrant. From S. Europe. 

 Shrub 2 -4f high, very prickly. Flowers usually of a pink color, but varying 

 in hue, form and size, &c., through a hundred known varieties. 



15. R. MOSCHATA. Musk Rose. Shoots ascending and climbing ; prickles cau- 

 line, slender, recurved ; Ifts. 5 7, lanceolate, acuminate, smoothish, discolored ; 

 stip. very narrow, acute ; fls. often very numerous ; ped. and cal. subhispid ; sep. 



subpinnatifid, elongated and appendiculate ; fr. ovoid, red. Native of . 



Stems trailing or climbing 10 I2f. Flowers peculiarly fragrant, rather large, 

 white, produced in panicles. 



16. R. ALBA. White Garden Rose. Slightly glaucous ; prickles slender, re- 

 curved, sometimes wanting ; Ifts. roundish-ovate, shortly acuminate ; petioles 

 and veins subtomentose, glandular ; sep. pinnatifid ; pet. spreading ; fr. ovoid, 

 nearly smooth. From Germany. Shrub 5 8f high. Flowers large, corym- 

 bose, sweet-scented, generally pure white, but often, in its numerous varieties, 

 tinged with the most delicate blush. 



17. R. MULTIFLORA. Many-flowered or Japan Rose. Branches, ped. and cal. 

 tomentose ; shoots very long ; prickles slender, scattered ; Ifts. 5 7, ovate-lance- 

 olate, soft and slightly rugose ; stip. pectinate ; fls. corymbose, often numerous ; 

 flo^oer-bud ovoid-globose ; sep. short ; sty. exserted, scarcely cohering in an elon- 



fated, pilose column ; pet. white, varying through roseate to purple. Japan, 

 hrub with luxuriant shoots, easily trained to the height of 15 20f. 



18. R. INDICA. Chinese Monthly or Bengal Rose. Erect or climbing, pur- 

 plish ; prickles strong, remote ; Ifts. 3 5, ovate, acuminate, coriaceous, shining, 

 smooth, serrulate, discolored; stip. very narrow ; fls. solitary or paniculate; 

 ped. often thickened, and, with the cal. smooth, or rugose-hispid ; sta. inflexed ; 

 fr. turbinate 1 Splendid varieties, blooming from Apr. to Nov. Flowers of 

 every hue from pure white to crimson. 



/?. Lawrenciana. (R. Lawrenciana. Lindl. R. Ind. t. acuminata. Ser.) Miss 

 Lawrence's Rose. St. and branches aculeate, bristly and subglabrous ; Ifts. ovate, 

 purplish beneath ; pet. obovate-acuminate. A class of varieties with very small 

 flowers, pink to deep purple. 



19. R. BRACTEATA. Macartney Rose. Branches erect, tomentose ; prickles re- 

 curved, often double ; Ifts. 5 9, obovate, subserrate, coriaceous, smooth and shin- 

 ing ; stip. fimbriate-setaceous ; fls. solitary, terminal ; ped. and cal. tomentose ; fr. 

 globose, large, orange. Varieties with cream-colored, white, to scarlet flowers. 



20. R. sEMPERVlRENs. Evergreen Rose. St. climbing ; prickles subequal ; 

 Ifts. persistent, 5 7, coriaceous; fls. subsolitary or corymbose; sep. subentire, 

 elongated ; sty. coherent into an elongated column ; fr. ovoid or subglobose, yel- 

 low, and with the ped. glandular hispid. Allied to the following, but its leaves 

 are coriaceous and evergreen, persistent until January. 



21. R. ARVENSIS. Ayrshire Rose. Shoots very long and flexile; prickles une- 

 qual, falcate ; Ifts. 5 7, smooth or with scattered hairs, and glaucous beneath, 

 deciduous ; fls. solitary or corymbose ; sep. subentire, short ; sty. cohering in a 

 long, glabrous column ; fr. ovoid-globose, smoothish. England. The shoots 

 grow 15 20f in a season and are very hardy. Flowers white to blush, crim- 

 son and purple. 



* * Exotic species, fff Unarmed. 



22. R. BANKSIJE. Banks' Rose. Smooth ; Ifts. lanceolate, crowded, 3 5, 



