Rosa.] ROSACEA. 188 



Series 1. ECMSTA'TM. Leaves eglandular beneath. Sepals reflexed after 

 the petals fall, deciduous before the fruit (which ripens late) colours. 



* Leaves glabrous on both surfaces. Peduncles not bristly. 



R. lutetia'na, Leman ; 10-12 ft., leaflets about 7 green or glaucous, terminal 

 obovate, serratures simple, flowers 1-4 pink 2 in. diam., sepals naked. 

 Abundant. — Yak. R. surculo'sa, Woods ; robust, flowers 10-30, leaflets flat 

 rounded at the base, teeth open. — Var. R. sphce'rica, Gren. ; like lutetia'na, 

 but leaflets broader, petioles pubescent, fruit globose § in. diam., styles 

 villous. — Var. R. sentico'sa, Ach. ; slender, flexuous, leaflets 1 in., teeth 

 acute, fruit small globose.— Var. R. duma'lis, Bechst. (R. sarmenta'cea,$m. ; 

 glaucophyl'la, Winch) ; petioles glandular, stipules and sepals more densely 

 gland-ciliated, leaflets doubly-serrate. Very common. — Var. R. biserra'tou, 

 Merat ; quite like duma'lis, but serratures more open and very compound, 

 petioles very glandular. — R. vina'cea, Baker, has leaflets and bracts narrow 

 acute, and fruit oblong. 



** Leaves glabrous above, hairy on the nerves beneath. Peduncles not bristly. 



R. urb'ica, Leman (R. colli'na,^ Woods ; Forsteri, Sm. ; platyphyl'la, Rau.) ; 

 like lutetia'na, but leaves hairy beneath and petioles pubescent, scarcely 

 glandular. — Var. R.frondo'sa^tev. (R. dumeto'rum, Woods) ; leaflets smaller 

 flatter ovate-oblong more rounded at the base, fruit smaller globose. — 

 Var. arvat'ica, Baker ; like urb'ica, but leaves doubly-serrate, fruit ovoid. 

 Common in the N. of England. 



*** Leaves more or less hairy on both surfaces. Peduncles not bristly. 



R. dumeto'rum, Thuill. (R. uncinel'la, Bess.); leaflets green terminal often 

 large simply-serrate thinly hairy above, softly beneath, fruit large ovoid, 

 styles villous. — Var, pruino'sa, Baker (R. cces'ia, Borr.) ; leaflets glaucous 

 doubly-serrate, petioles glandular. Var. R. inca'na, Woods (R, canes' cens. 

 Baker) ; leaflets very glaucous above densely pubescent beneath with few 

 inconspicuous glands doubly-serrate, fruit large oblong. — Var. R. tomentel'la, 

 Leman ; flexuous, leaflets short green above very hairy beneath doubly 

 serrate, petioles prickly, peduncles very short, flowers small white, fruit 

 small short. — R. inodo'ra, Hook. Ft. Land. (R. obtusifo'lia, Desv.), is like 

 tomentel'la, but the leaflets are simply serrate. 



**•** p e d unc i es more or less bristly and glandular. 



R. andevagen'sis, Bast., is lutetia'na with bristly peduncles. S. of England, 

 rarer in the N. and Scotland. — YAU.verticillacan'tha, Merat, is dumalis with 

 ditto. Not uncommon. — Var. R. colli'na, Jacq. (R. Kosincia'na, Bess., R. 

 asperna'ta, Deseg.), is urb'ica with ditto. Surrey and Devonshire. — Var. 

 R. ccesia, Sm., is near colli'na, but leaflets grey-green, stipules and bracts 

 pubescent on the back. Argyll, Northumberland, Leicester. — Vat*. 

 concin'na, Baker ; prickles much hooked, leaflets very small simply serrate, 

 petioles not setose pubescent, ovary small, styles short thinly hairy. 

 Devonshire. — Var. decip'iens, Dumort. ; like tomentel'la, but for the bristly 

 peduncles, more glandular midrib, pubescent and glandular petiole, and. 

 sepals densely glandular not fully reflexed. Northumberland, Chester, 

 Leicester. 



