Mr. Woods o?? the British Species of Rosa. 219 



and tlie latter is in so many instances in other families known to 

 be variable, that I am unwilling to depend upon it entirely in 

 this. Yet the three Roses are different in habit, and I have not 

 been able to fix on any more permanent distinction. 



21. Rosa collina. 



R. stylis distinctis, acultis uncinatis subaequalibus, foliolis sini- 



pliciter serratis subtus tantum hirsutis. 

 a. R. collina. Jacq. Ft. Austr. ii. 58. t. 197. Willd. ii. 1078. 



Lam. et Dec. Fl. Fr. iv. 441. Pedunculis setosis. 

 j8. pallescejis. 



Frulex 6 — 8-pedalis. Rami subdiffusi, olivacei, aculeati ; aculei uncinati, pallidi, sae- 

 pius debiles, subaequales, solitario- vel binato-stipulares. Petioli tomentosi, incani, 

 aculeiaque falcatis muniti. Stipules lineares, apicem versus serrats vel glaiiduloso- 

 serratae, supra glabrae, c<e floribus propiores majores, et tandem foliis deficientibut 

 in bracteas ovato-lanceolatas immutatae. Foliola 5 vel 7, par suporius et foliolum 

 impar ceteris majora, elliptica, enorniiter (sed nunquani duplicate) serrata; serra- 

 turis apice pallide cartilagineis, subtus hirsuta, supra glabra, glauca, et nitoris ex- 

 pertia. Pedunculi 1 — 5, glabri, bractets breviores. Receptaculum ellipticum, gla- 

 bruin, olivaceum. Calycis foliola ovato-lanceolata, apicem versus pilosa, pinnata; 

 pinnis lineari-lanceolatis incisis, plerumque margine integerrimis. Flores planiusculi, 

 pallide rubescentes. Styli inclusi, stigmatibus convexis. Fructus ellipticus : maturi 

 colorem non observavi. 



Hedges in the southern counties occasionally. 



7. R. caniua y. Lam. et Dec. Fl. Fr. iv. 447. 

 R. dumetorum. Lam. et Dec. FL Fr. vi. 534. 



Stems stronger but more diffuse, brown ; aculei strong, brown- 

 ish, and much more hooked than in R. collina /S ; leaflets 

 of a bright shining green on the upper surface, generally 

 somewhat carinate, while in jS they are rather slightly con- 

 cave; tips of the scrratures fusco-cartilagineous. Flower- 

 stalks one to nine. Receptacle broader than that of /3. 



2 F 2 Flowers 



