2 



58 A LIST OF BRITISH ROSES 



'Peduncles usually as long as or longer than fruit; stipules narrow 

 (except uppermost on flowering branches) ; styles glabrous or 

 hispid, occasionally densely woolly, often projecting above the 

 disc ; stigmas in a hemispherical or shortly conical head 



(GEOUP CANINA) 3 



Peduncles rarely as long as, usually shorter than fruit ; stipules broad, 



dilated upwards ; styles very woolly ; stigmas in a flattish head, 



sessile on the disc (GROUP GLAUCA) 6 



(Leaflets eglandular beneath, except sometimes on midribs 4 



3 j Leaflets glandular, at least on some of the primary veins beneath, 



( almost always strongly biserrate Subgroup Scabrat^. (h) 



. (Peduncles smooth 5 



I Peduncles hispid-glandular Subgroup Andegavenses (g) 



'Leaflets uniserrate or very nearly so Subgroup Lutetian^ (d) 



Lower leaflets of flowering branches more or less biserrate, the upper 

 and most of those on barren shoots uniserrate or nearly so 



Subgroup Transitori^ (e) 



, All leaflets more or less biserrate Subgroup Dumales (f) 



Sepals erect, or at least rising above the disc, more or less persistent 



till fruit colours Subgroup Reuteri (m) 



Sepals reflexed or spi'eading, but not I'ising above the disc 



Subgroup SuBCANiNiE (n) 

 /Peduncles usually as long as or longer than fruit; stipules narrow 

 (except uppermost on flowering branches) ; styles glabrous or his- 

 pid, occasionally densely woolly, often projecting above the disc; 



stigmas in a hemispherical or shortly conical head 8 



1 Peduncles rarely as long as, usually shorter than fruit; stipules broad, 



dilated upwards ; styles very woolly ; stigmas in a broad, flattish 



V head, sessile on the disc (GROUP CORIIFOLIA) 12 



(Prickles always much hooked, usually stout; leaflets usually strongly 

 biserrate, broadly oval or suborbicular, close set, hairy both sides, 

 glandular on at least some of the primary nerves ; styles never 

 densely woolly GROUP TOMENTELLA (q) 



"^"l Prickles curved, or if hooked, rarely stout ; leaflets uniserrate or only 



the lower leaflets of the flowering branches biserrate, rarely all 



biserrate, eglandular except rarely on midribs beneath 



\ (GROUP DUMETORUM) 9 



(Leaflets uniserrate, or only the lower leaflets of the flowering branches 



9j biserrate 10 



(Leaflets all biserrate 11 



^„ J Peduncles smooth Subgroup Eu-Dumetorum (i) 



( Peduncles hispid-glandular Subgroup Deseglisei (k) 



^. ( Peduncles smooth Subgroup Canescentes (j) 



(Peduncles hispid-glandular Subgroup Aciculat^ (1) 



{Sepals erect, or at least rising above the disc, -more or less persistent 

 till fruit colours Subgroup Coriifoli^ (o) 

 Sepals reflexed or spreading, but not rising above the disc 

 Subgroup Subcollin^ (p) 



cl. Subgroup Lutetian^. (See p. 10.) 



/Middle leaves of flowering branches with large leaflets, 14 lines long 

 or more 2 



) Middle leaves of flowering branches with medium leaflets, 10-13 lines 



long 5 



Middle leaves of flowering branches with small leaflets, under 10 lines 

 long 7 



1^ 



