i'.tf, i;osAri;.\K (KOBE FAMILY ) 



veined. Dimply ttmtfii-tl. iint /< >///..;/>; H.I \\crs corymbose; >/>/> /////// 



the outer Jobed. (R. //"//><///" ..f aiith., not Porter.) Prairies, etc., Man. to 



Mont., s. to Mo. and 'IVx. 



4. R. blanda Ait. Sit-ins :j-i" dm. high, wholly unarmed or occasionally 

 covered with numerous prickles ; stipules dilated, naked and entire or slightly 

 glandular-toothed ; leufli-t* ">-", usually oblong-lanceolate, thinner and 

 strongly veined than in the preceding, cum-ate at base and petiolulate, ximply 

 serr<: -.^inous; flowers usually large, corymbose or solitary : .sv, ./.< /</.<- 



pid, entire. On rocks and shores, Nfd. to N. E., and westw. chiefly in the 

 region of the Great Lakes to Mo. and Assina. 



"). R. Wo6dsii Lindl. Steins usually low (1-9 dm. high), with slender straight 

 or recurved prickles, or wholly unarmed above; leaflets 5-7. to <>i>l<m<j 



or lan<-">lit>'. more or less toothed ; flowers corymbose or solitary ; sepals naked 

 or hispid, the outer usually lobed ; fruit globose, with a short neck. Minn, to 

 Mo., westw. and north westw. 



6. R. spiNoafssiMA L. (SCOTCH R.) Low spreading shrub; stems densely 

 covered with long straightish prickles and innumerable shorter ones ; leofl'-ts 

 7-13, small, broadly elliptic to suborbicular, glabrous or nearly so ; stipules 

 small; fruit globular, black. Often cultivated, and inclined to spread from 

 old gardens, N. E., Ont., etc. (Introd. from Eurasia.) 



7. R. CINXA MOM i \ L. C'INN A Mo\ R.) Stems flexuous, reddish brown, armed 

 with pairs of light-colored broad-based slightly recurved infra-stipular prickles ; 

 leaflets rather narrowly elliptical, 2-3 cm. long, paler beneath, sharply and 

 finely serrate; flowers commonly double. Once much cultivated, and now 

 established in hedgerows, etc. (Introd. from Eurasia.) 



8. R. CAXIXA L. (Doc R.) Stems armed with stout recurved prickles, the 

 branches sometimes unarmed ; leaflets 5-7, elliptical or oblong-omte. glabrous 

 or somewhat pubescent, simply toothed, not rettinous-puberulent; flowers soli- 

 tary (or 2-4) on usually naked pedicels ; sepals pinnatifid; fruit ovoid or nearly 

 globular. A casual escape from cultivation, Mass, to Tenn.; thoroughly natu- 

 ralized on river-banks in Pa. (Porter). (Introd. from Eurasia.) 



'.. R. BRACTE.VTA Wendl. (MACARTXY R.) Leaflets mostly 7 

 obovate, rounded at the apex, thick, shining, evergreen, glabrous; nV 

 large; calyx densely villons-tomentose ; petals mostly white. Cultivated from 

 China, extensively naturalized in parts of the Southern States, extending to Va. 

 (Introd. from Asia.) 



10. R. RUBIGIX6SA L. (SWEETBRIER, EGLANTINE.) Armed with Strong 



hooked mostly infra-stipular prickles (with or without scattered smaller ones) ; 

 leaflets densely resinous beneath and aromatic, doubly serrate; the short ] 

 eels and pin natifid sepals hispid ; flowers pink, mostly 3-4 cm. in diameter : fruit 

 obovate. Rocky pastures, etc., common. (Introd. from Eu.) 



Var. MICKANTHA (Sm.) Lindl. Leaves less glandular, nearly scentless, flow- 

 ers smaller (about 2-2.5 cm. in diameter) and paler ; fruit somewhat flask- 

 shaped. Along roadsides, etc., e. Mass. (Introd. from Eng.) Inconstant and 

 suggesting relationship to no. 8. 



11. R. GALLICA L. Erect, 1-1.6 m. Inch : stem glandular-hispid and armed 

 with straightish slender prickles; /."/Ms :',-.">. /,/..//// t-lli, 



rounded or obtusish at apex, doubly ij1<nnlnl>ir-f ri-nt* : rtw-rs large, n. 

 deep red and double. Of ten cultivated, and now well established in roedi 

 thickets, X. E., O.. and probably elsewhere. (Introd. from Eu.) 



!_'. R. nitida Willd. Low. nearly or quite glalron* thrnni/fmnt. tin atrniiiht 

 slen -'Spuliir prirkl' * ">i thirkly 



Ut; fti r ami 



shinimr. usually narrow-ohloni: and acute at each t-nd ; flowers > 

 2-3); / . Margins of swamps. Nfd. to N. 1 '.. 



i::. R. Carolina L. St.-ms usually tall (3-25 dm. hidi>. wi --raiirht 



or usually more or less curved prickles ; stipules long and very narrov. 



. dull i:iven. usually omnow-obtong and acute at 



eat-h Mul aiid petiolulate. but often broadt-r, usually pubescent beneath. Hor- 

 ;mps and streams. N. S. to Kla.. w. t" Minn, and Mi--. 



