62 A LIST OF BEITISH ROSES 



o. Subgroup Coriipolijs. (See p. 31.) 



[Leaflets uniserrate 2 



1 j Leaflets irregularly serrate or slightly biserrate frutetorum. 



(Leaflets quite biserrate 3 



p (Leaflets quite pubescent both sides coriifolia. 



(Leaflets haii'y only on midribs or also on primary nerves... implexa, 

 „ (Leaflets not, or only slightly glandular beneath 4 



{Leaflets always glandular on primary nerves 5 



/ Leaflets glabrous above, eglandular beneath, rounded at base ; petioles 

 .) thinly glandular ; fruit subglobose Watsoni. 



1 Leaflets hairy above, glandular on primary nerves beneath, narrowed 



[ below; petioles very glandular ; fruit ovoid Baker i. 



^ ( Leaflets hairy both sides, oval Lintoni. 



(Leaflets glabrous above, small, suborbicular celerata. 



p. Subgroup Subcollin^. (See p. 33.) 



^ (Leaflets uniserrate or only irregularly serrate 2 



(Leaflets quite bisei'rate 4 



[Leaflets irregularly serrate, close set, small, narrowly elliptical, grey, 



2 j glaucous ccesia. 



(Leaflets quite uniserrate, narrowed base only 3 



q (Leaflets medium or rather large, eglandular beneath suhcollina. 



(Leaflets small, obovate, glandular beneath obovata. 



(■ Fruit obovoid ; sepals strongly reflexed subcoriifolia. 



4 j Fruit elongate-ellipsoid; sepals spreading or loosely reflexed incana. 

 (Fruit ovoid or broadly so 5 



{Leaflets rather large, oval, rounded below Lucandiana. 

 Leaflets rather small, broad, subcordate below, very glaucous 

 jpruinosa. 



q. GROUP TOMENTELLA. (See p. 35.) 



, (Leaflets biserrate 2 



(Leaflets uniserrate or nearly so 7 



2 (Peduncles, at least some of them, hispid-glandular 3 



(Peduncles smooth 4 



[ Leaflets large and spaced ; peduncles usually only slightly hispid ; a 



I large, coarse bush Borreri. 



Leaflets small and close set ; peduncles usually much glandular or 



even aciculate decipiens, 



[Leaflets decidedly narrowed at base, hairy and glandular on chief 



4] nerves sclerophylla. 



(Leaflets broadly rounded at base 5 



^ ( Leaflets witli subfoliar glands 6 



{Leaflets eglandular Carionii. 



T 



^(Leaflets hairy both sides tomentella. 



(Leaflets thinly hairy on midribs only caryophyllacea. 



„( Peduncles smooth 8 



(Peduncles hispid-glandular concinna. 



'Leaflets small, decidedly hairy both sides; prickles hooked, usually 



stout; flowers white ohtusifolia. 



Leaflets large, thinly hairy on midribs only beneath ; prickles 

 straightish ; flowers rose Nicholsoni. 



