ICQSANDRIA POLYGYNIA. Ill 



III. POLYGYNIA, 

 151. ROSA. 



* Branches bristly. Prickles mostly slender, nearly straight. 



1. R. spinosissima, flower-stalks without bracteas, mostly 

 smooth, as well as the simple calyx ; fruit globose, abrupt, some, 

 what depressed ; prickles of the stem straight, unequal, nume- 

 rous, intermixed with glandular bristles; leaflets roundish, 

 smooth, with simple serratures, Burnet Rose. 



Hob. Sandy sea-banks, deans, and hedges, common. The 

 only species found wild in Holy Island. June, July. 



A small bushy very prickly shrub, of a dark colour, with 

 small leaves. The flowers are white or cream-coloured ; 

 the fruit at first reddish brown, black when ripe. It is 

 the Cat-hip of school-boys. 



* * Brandies without bristles. Prickles nearly straight.. 



2. R. tomentosa, fruit broadly elliptical, bristly ; calyx copious- 

 ly pinnate ; prickles slightly curved ; leaflets ovate, acute, more 

 or less downy. Downy-leaved DogRose. 



Hah. Deans and hedges, common. June, July. 



A branching bushy shrub. Branches round, often coloured 

 on one side, prickly, but otherwise smooth. Prickles irre- 

 gularly placed, more or less dilated at the base. Leaflets 

 doubly serrated, glandular on the margins ; the footstalks 

 downy, glandular and prickly. FloweVs red, paler at the 

 base, usually two or three together, on stalks thickly be- 

 set with glandular bristles. Fruit red, bristly, capped 

 with the permanent calyx, 



3. R. scabriuscula, fruit roundish-ovate, bristly as well as the 

 flowerstalks ; prickles awl-shaped ; leaflets doubly serrated, el- 

 liptical, hairy on both sides ; divisions of the calyx permanent. 

 Rougholeaved Dog-Rose. Winch, Geogr. Dist. p. 45. 



Hob. Banks of the Tweed above the Union Bridge, plen- 

 tiful ; and occasionally in hedges. June, July. 



