loi— ROSA REVERSA Waldst. & Kit. 
(ROSA PENDULINA x SPINOSISSIMA) 
/^osa yeversa : caule brevi, erecto ; aculeis densis, gracilibus, rectis ; foliolis 
7-1 1, parvis, oblongis, obtusis, simpliciter serratis, glabris ; rhachi glandulosa ; 
stipulis adnatis, apicibus liberis, parvis, ovato-lanceolatis ; floribus solitariis ; 
pedunculis brevibus, aciculatis ; calycis tubo oblongo, nudo ; lobis lanceolatis, 
integris, dorso parce glandulosis ; petalis albis ; stylis liberis, dense villosis, hand 
protrusis ; fructu ampullaeformi, rubro, sepalis persistentibus coronato. 
R. reversa Waldstein & Kitaibel, PL Ray. Hong. vol. iii. p. 293, t. 264 (1812). — 
Crepin in Bull. Soc. Bot. Belg. vol. viii. p. 328 [Ryiinit. Monogy. Ros. fasc. i. p. 107) 
(1869); vol. xxxiii. pt. I, p. 35 (1894). — Borbas in M. T. Akad. Math. S. Tey- 
nieszettnd Kdzlemenyek xvi. Kotet. pp. 539, 544 [Ros. Htiiig. pp. 539, 544) (1880). 
R. yiibella Smith in Eug. Bot. vol. xxxvi. t. 2521 (1814); Eng. Ft. vol. ii. p. 374 
(1824). — Woods in Tyans. Linn. vol. xii. p. 177 (1818). — Bindley, Ros. Monogy. 
p. 40, No. 25 (1820). — Godet, Ft. Juy. p. 205 (1853). — Syme in Eng. Bot. ed. 3, 
vol. iii. p. 204, t. 462 (1864). — Grenier, Ft. Juy. vol. i. p. 227 (1865). — Crdpin in 
Bull. Soc. Bot. Belg. vol. viii. p. 328 {Pyiniit. Monogy. Ros. fasc. i. p. 107) (1869). 
R. Candolleana Thory in Redoutd, Roses, vol. ii. p. 45, t. (1821). 
R. Ozanonii D(^seglise in Mem. Soc. Acad. Angeys, vol. x. p. 88 {Ess. 
Mon. Ros. p. 48) (1861). 
R. pinipinellifolia x alpina Reuter, Cat. PI. Vase. Genbve, ed. 2, p. 64 (1861). — 
Christ, Rosen Schiueiz, p. 65 (1873). — Crdpin in Bull. Soc. Bot. Belg. vol. xxxiii. 
PP- 33. 143 (1894)- 
R. niedioxiina Christ, Rosen Schweiz, p. 66 (1873). 
R. alpino-pinipinellifolia Christ, Rosen Schweiz, p. 67 (1873). 
R. gentilis Deseglise in Btdl. Soc. Bot. Belg. vol. xv. p. 264 {iwn Sternberg 
teste Keller) {Cat. Rais. Ros. p. 95 [1877]) (1876). 
R. alpina x pinipinellifolia Schmidely in Bull. Tyav. Soc. Bot. Genbve, vol. viii. 
p. 50 (1895-7). — Caillard in Bull. Heyb. Boiss. vol. vi. p. 417 (1898). 
R. pendulina x pinipinellifolia Keller in Ascherson & Graebner, Njv/. Mitteleuy. 
El. vol. vi. p. 314 (1902). 
A low, erect, compact bush ; pyickles dense, slender, straight, passing gradually 
into aciculi and setae. Leaflets 7-1 1, small, oblong, obtuse, simply serrated, 
glabrous ; petioles glandular ; stipules adnate, with small, ovate-lanceolate, free tips. 
Floweys solitary ; peduncle short, aciculate. Calyx-tube oblong, naked ; lobes 
lanceolate, entire, thinly glandular on the back. white. Styles free, densely 
villous, not protruded. Fyuit ampullaeform, pendulous, red, crowned by the 
persistent sepals. 
Rosa rroersa is found in Hungary, and is probably one of the 
many spinosissima-peiidiilina crosses. These two species appear to 
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