+ 
"Teeth of leaflets — or seo eane Tape 
12 THE SUBSECTION EU-CANINZ) OF THE GENUS ROSA 
characteristics of the groups into which he divides them, each 
oup being represented by a subspecies of — canina, Excluding 
non-British species, Crépin’s key is as follow 
Sepals gor after flowering ai crowning fruit when ripe. Styles 
1 very strongly hispid or tom 
— "veflexed after flow erie, or spreading, not erect, Ss 
e fruit ripens. Styles soonest d hispid to glabrous ...... 3 
2 Le sé ts pubescent at least on midrib .............000+ R. cori Fr. 
Haas altogether glabrous, usually glaucous ......... R. glauca Vill. 
Leafiets more or less pubescent, rather frequently ‘tits m= 5 scconry 
nerves glandular, with compound glandular teeth.. sepals 
3 with numerous lateral a appendages, the lower more s res folia- 
ceous and deeply in — 4 
Not combining the abov teristi 5 
gigs sorts rather strongly hispid. Sepals rising a little after flowering, 
ding during the atpening of the fruit. Peduncles and recep- 
taclbs hispi d-glandular abietina Gren. | 
Styles siuuiry little i fa sometimes es glabrescent or mee rous. Se- 
pals reflexed after flowering. Peduncles and rece y 
mooth, rarely hispid- glandoar gers ts usually ac roundish 
ue shortly iicmcakteradects , the secondary nerves usually 
Stem-prickles cae ioakel, oe thickened at 
bas ane R 
mentella Lém. 
Leaflets pubescent, hogar rather small, roundi a — anos 
attenuate-acute at apex, simply toothed, the se ary nerves 
5 very salient. Stem-prickles short, hooked, strongly "thicket at 
ase if lore Desv. 
Not combining the above claracteristics............... Ric a Linn. 
VaRIETIES oF R, canina, 
Leaflets glabrous :— 
Teeth of leaflets simple :— 
Peduneles smoot Vars. of the group R. lutetiana Lem. 
Peduncles more or less hispid-glandular 
Vars. of the group R. andegavensis Bast. 
Teeth of meng a or glandular- a 
Secondary ne not glandular 
Badandicn ti sm. a oth ode Vacs. of the group R. dumalis Bechst. 
Peduncles more or less Si emerald 
Vars. of the group R. verticillacantha Mér. 
Secondary mp es sors or joe glandular :— 
Peduncles see ars. of the group BR. scabrata Crép. 
ideas more or less hispid-glandular 
Vars. of the group R. Blondeana Rip. 
Leaflets pubescent, at least on midrib :— 
f leaflets simple :— 
Teeth of 1 3 
Peduncles smooth Vars. of the group R, dumetorum Thuill. 
Peduncles more or less hispid-glandular 
Vars. of the group R. Deseglisii Bor. 
j ards’ 
_— basset Ae Lém. 
