A llEVISED AllRANGEMEN-T OF BRITISH ROSES 3 



I. SECTION SYNSTYLiE. 

 Group of U. arvensis. 



Habit weak and trailing, prickles stout, leaflets pale green, often 

 glaucous, peduncles long, glandular, sepals entire, styles in a very 

 long quite solid column, with stigmas in an elongate head. The 

 clusters of flowers overtop the uppermost leaves, 



R. ARVE^srsis Huds. Simply or nearly simply serrate leaflets, 

 glabrous or very slightly hairy on midribs and petioles, and globose 

 or broadlv ovoid fruit. "^ V.c. 18, l-l-, 16, 17, 29, 32, 39, 40, 41, 55, 58, 

 60, cSO, 81. 



f. major Coste. Stouter, more erect, many flowers in a cluster. 

 V.c. 2, 3; 13 or 14, 17, 32, 62. 



[f. repens (Scop.) is a weak form ; I have not hitherto distin- 

 guished it, but it is doubtless common.] 



f. scahra Baker. Griandular petioles, often spreading to midribs. 

 V.c. 3, 13, 17, 34, 41, 55, 58. 



Yar. ovata (Lej.). Ovoid or elongate fruit, leaflets variable. I 

 include forms of major, repens, and scahra, if the fruits are of this 

 form. V.c. 2, 3, 13 or 14, 17, 19, m, 37, 62, 63 ?. 



Var. biserrata Crep. Leaflets fully biserrate. V.c. 57. 



Var. Imvipes Gremli. Peduncles all or mostly smooth. V.c. 17, 

 18?, 19,41?, 57, 62 or 65?. 



f. pillfolia Borb. Leaflets pubescent all over the lower surface. 

 V.c. 17. 



R. arvensis xst/sf>/Ia (B. dihracfeafa Bast, non auct. britt.). 

 Intermediate between the two parents, with verv large white flowers. 

 V.c. 5, 19?. 



a,, arvensis y. (jallica {R. galUcoides Desegl.). Stem and some- 

 times the fruit with glandular acicles or sessile glands. V.c. 36, 

 37, 38, 57. 



II. SECTION STYLOSiE. 



Group of R. sttlosa. 



Erect. Stout hooked prickles, styles in a glabrous column (but 

 often loose), usually salient from a conical disc, with stigmas in a 

 narrow conical or cylindrical head, long glandular peduncles not over- 

 topping the uppermost leaves, rather large, dark, shining green leaflets, 

 well spaced on the petioles, and pinnate sepals. 



R. STYLO SA Desv. Rather broad leaflets, hairy on both sides, or 

 at least rather denseh^ so beneath, and white flowers. V.c. 8, 9, 11. 



f. corijmhosa Desv. (vai*. opaca Baker). Like type, but with 

 smooth peduncles. V.c. 3 ?, 9, 13, 14. 



Var. stijlosa Baker. Large narrow leaflets, glabrous above, and 

 thinly hairv beneath, sometimes on midribs onlv. Flowers rose. 

 V.c. 1, 2, 3", 4, 6, 9, 11, 13, 15, 16, 17, 21, 22, 23, 24, 29, 31, 32, 34, 

 35, 36, 37, 41. 



f, leucocliroa (Desv. non auct. britt.). Flowers white, otherwise 

 as in var. si/sfi/la. V.c. 3, 15, 17, 34. 



Var. pfijchopliijUa (Boulenger). Smaller, with smaller finer- 



