ROSA INVOLUTA 27 
an Presence nature. The styles are densely villous. 
Though the individuals are rather numerous, I cannot satis- 
factorily divide them into subgroups. 
Key to British SPECIES AND VARIETIES. 
1 a simply serrate or only _ aeons DIDOETERG © .i00.iiectiiszee 2 
Leaflets fully compound-glandular-serr 5 
Leaflets small, just like those of Si itochcns 
. var. occidentalis Baker. 
Leaflets medium or large ...... 
3 ft Leaflets quite uniserrate R. Wilsont Borr. 
Leaflets more or less biserrate 4 
Sepals entire. Fruit aciculate involuta Smith. 
4+ Sepals more or less pinnate. Fruit usually, - a smooth 
r. Robertsoni Baker. 
(Large prickles decidedly curved. Peduncles fee, one slender often 
drooping. Stout bush R. gracilis Woods. 
All pisekior straight or rt so 6 
g / Peduncles and fruit smooth 7 
{Peduueles hispid- glandular 8 
Leaflets quite hairy. Sepals entire, _— 
- . levigata Baker. 
Leaflets quite glabrous above. Sepals pinnate, somewhat glandular 
. Webbit Baker. 
| Sepals more or less aaeeraee "R. Sabinit Woods. 
Sepals entire or very nearly 9 
Leaflets very hairy. Bence solitary, white. Fruit — ate 
9 R. Doniana Woods. 
Leaflets sual hairy. Flowers 3 to 6. Fruit prenreu (ellipsoi id?), A 
robust bush r. gracilescens Baker. 
Rosa INVOLUTA 
Smith, Fl. Brit. p. 1398 (1804). 
“ B. fructibus ileus sp gbaarenrs be aculeatissimis. Aculets 
caulinis numerosis, rectiusculis. Petalis involuto-clausis abit 
of spinosi issima. Stem petkiy all over, prickles of various sizes, 
sometimes rather hooked. Leaflets 7 or 9, elliptic-subrotund, 
r 
Peduncles terminal, solitary, straight, one-flowered, very prickly, 
Germen globose, very little depressed, armed all round with dense 
divaricate rigid prickles. Sepals acuminate, simple, muricate on 
back. Petals white, variegated with red, involute and closed, not 
expan 
In Eng. FI. ed. ii. p. 378 (1828), Smith says:—‘ Flower-stalks 
pnccel? without bracteas, bristly like - globular fruit and 
poe calyx. Stem bristly and very peck y- Leaflets a, 
doubly and sharply serrated, their vel ns hairy beneat Petals 
