3_R0SA ARVENSIS Huds. 
/^osa (rr 7 'e//sis : ramis flaccidis, longc prostratis, saepe rul)robruneis, glaucis ; 
aculeis sparsis, robustis, conforniibus, uncinatis; foliolis 5-7 ovalibus, acutis, parvis, 
glabris, simpliciter grosse serratis ; rhachi glabra vel obscure piibesccnte, vix glan- 
cliilosa ; stipiilis adnatis, glanduloso-ciliatis, apice divergentibus ; floribiis ])aucis ; 
pedunciilis elongatis, glandulosis; bracteis glabris, lanceolatis; calycis tiibo turbinato; 
iobis brevibus, ovatis, dorso nudis, exterioribus parce appendiculatis ; petalis albis ; 
stylis glabris, coalitis, longe protrusis ; disco longe, conico ; fructu subgloboso, 
parvo, serotino ; sepalis caducis. 
A’, ayvcusis Hudson, FI. Aiigl. p. 192 (1762). — Linnaeus, Mant. p. 245 [ex 
parte) (1767). — Smith in Fug. Bot. vol. iii. t. 188 (1794). — Lawrance, Roses, t. 86 
(*799)- — Guimpel, Willdenow & Hayne, Abbild. Deiitsch. Holzart. p. 126, t. 95 
(1815). — Lindley, Ros. Mouogr. p. 1 12, No. 62 (1820). — Hooker in Curtis, FI. Loud. 
ed. 2, vol. iv. t. 123 (1821). — Trattinnick, Mouogr. Ros. vol. ii. p. 103 (1823). — Seringe 
in De Candolle, Prodr. vol. ii. p. 597 (1825). — Syme, Fug. Bot. ed. 3, vol. iii. p. 231, 
t. 476 (1864). — Baker in Jouru. Liuu. Soc. vol. xi. p. 241 (1869). — Christ, Roseu 
Schweiz, p. 195 (1873). — Deseglise in Butt. Soc. Bot. Belg. vol. xv. p. 214 {Cat. Rais. 
Ros. p. 45 [1877]) (1876). — Crepin in Bull. Soc. Bot. Belg. vol. xviii. p. 323 {Priuiit. 
Mouogr. Ros. fasc. v. p. 569 [1880]) (1879) ; vol. xxv. pt. 2, p. 203 (1886) ; vol. xxxi. 
pt. 2, p. 71 (1892). — Borbas in M.T. Akad. Math. S. Teruidszettud Kozleuiduyek, 
xvi. Kotet. p. 343 {Ros. Iluug. p. 343) (1880). — Burnat, Ft. Alp. Mar. vol. iii. p. 25 
(1899). — Keller in Ascherson & Craebner, Syu. Mitteleiir. Ft. vol. vi. p. 39 (1900). 
R. sytvestris Herrmann, Dissert, p. 10 (1762). 
R. repeus Scopoli, Ft. Caruiot. ed. 2, vol. i. p. 355 (1772). — K. C. Cmelin, Ft. 
Bad. Alsace, vol. ii. p. 418 (1806). — Jacquin, Fragui. p. 69, t. 104 (1809). — Ran, 
Fuuui. Ros. p. 40 (1816). — K. Koch, Deudrol. vol. i. p. 264 (1869). 
R. scaudeus Aloench, Ferz. p. 118 {uou Miller) (1785). 
R. Herporhodou lAhrhart, Beitr. zur Nat urk. vol. ii. p. 71 (1788). 
R. cauiua, var. sytvestris Roth, Ft. Gerui. vol. ii. pt. i, p. 560 (1789). 
R. Halleri Krocker, FI. Sites, vol. ii. pt. i, p. 150 (1790). 
R.fusca Moench, Meth. p. 688 (1794). 
R. serpeus Wibel, Priui. Ft. tVcrth. p. 265 (1799). — Kirschleger, Ft. Alsace, 
vol. i. p. 242 (1852). 
R. seuipervireus Roessig, Die Roseu, No. 32 {uou Linnaeus) (1802-20). 
R. glauca Dierbach, Ft. Heidelberg, vol. i. p. 140 (1819). 
R. arveusis, g Sims in Bot. Mag. vol. xlvi. t. 2054 (1819). 
Bush not more than 2-3 feet high when not supported ; branches long, flaccid 
and trailing, in exposure red-brown and glaucous ; prickles uniform, stout, scattered, 
strongly hooked. Leaflets 5-7, small, oval, acute, simply coarsely serrated, glabrous, 
often glaucous green above, paler and rather glaucous below ; petioles glabrous or 
faintly pubescent, very slightly glandular; stipules adnate, somewhat gland-ciliated, 
with free, ovate, divergent tips. Flowers few, in a corymb; pedicels long, glandular; 
I I c 
