EISA.] ROSACES. 183 



SERIES 1. ECRISTA'TJE. Leaves eglandular beneath. Sepals refiexed after 

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



* Leaves glabrous on both surfaces. Peduncles not bristly. 



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

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

 Abundant. VAR. E. surculo'sa, Woods ; robust, flowers 10-30, leaflets flat 

 rounded at the base, teeth open. VAR. E. splm'rica, Gren. ; like lutetia'na, 

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

 villous. VAR. E. sentico'sa, Ach. ; slender, flexuous, leaflets 1 in., teeth 

 acute, fruit small globose. VAR. E. 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. E. biserra'ta, 

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

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

 acute, and fruit oblong. 



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



E. urb'ica, Leman (R. colli'na^ Woods ; Forsteri, Sm. ; platypkyl'la, Ran.) ; 

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

 glandular. VAR. R.frondo'sa,Stev. (R. dumeto'rum, Woods) ; leaflets smaller 

 flatter ovate-oblong more rounded at the base, fruit sm aller 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. /?. inca'na, Woods (/?. canes' cens, 

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

 inconspicuous glands doubly-serrate, fruit large oblong. VAR. E. 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. Fl. Lond. (R. obtusifo'lia, Desv.), is like 

 tomentel'la, but the leaflets are simply serrate. 



** Peduncles more or less bristly and glandular. 



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

 rarer in the N. and Scotland. V&R.verticillacan'tha, Merat, is dumalis with 

 ditto. Not uncommon. VAR. R. colli'na, Jacq. (R. Kosincia'na, Bess., E. 

 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. VAR. 

 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. 



