( 2054 ) 

 Rosa arvensis, j3. The Ayrshire Rose. 



Class and Order. 



ICOSANDRIA POLYGYNIA. 



Generic Character. 



Petala 5. Cal. urceolatus, 5-fidus, carnosus, collo coarc- 

 tatus. Semina plurima hispida calycis interiori lateri affixa. 



Specific Character and Synonyms. 



Rosa arvensis ; fructibus globosis pedunculisque inermibus, 



aculeis caulinis petiolorumque aduncis, flortbus subcy- 



mosis, stylis coadunatis. Smith Compend. Flor. Brit. 



p. 78. Flor. Brit. % p. 538. 

 Rosa arvensis. Willd. Sp. PL 2. p. 1066. Hort. Kew. 3. 



p. 259. 



((3.) foliolis quinque, vix septem, calycis lacimis mtegns 



reflexis, ramis biorgyalibus. 

 Rosa repens; germinibus oblongis glabns, pedunculis hispido- 



glandulosis, petiolis villosis aculeatis, caule repente. 



mild. Enum. 547 ? Scop. Cam. 610 1 Jacq. Fragm. 



p. 69. t. 104? 



Desc Branches four or five yards long when led over a 

 trellis, and therefore well suited for covering arbours, smooth, 

 but arnied here and there with hooked prickles. Leaves 

 generally consisting of five, sometimes only three, very rarely 

 seven leaflets, which are ovate, acute, sharply serrate, the 

 terminal one larger than the rest : petiole armed with a few 

 curved prickles, otherwise smooth. Stipules seinisagittate 

 conjoined. Flowers in terminal corymbs. Peduncles 

 covered with glandular hairs, with two or three lanceolate 

 tntire, pellucid bractes at the base of each. Germen oval, 

 smooth ; segments of the calyx entire, awned, a little nairy. 



Petals white, obcordate. T 



' In 



