262 DICOTYLEDONS. ROSACES. Geitm. 



** VILLOSJE. Root-shoots straight, prickles nearly so. Leaflets 

 ovate or oblong, with their serratures spreading. Leaflets of the 

 calyx connivent, persistent ; disk of the calyx thickened, closing 

 over the mouth. 



5. R. villosa, leaflets elliptical obtuse, fruit very large with nu- 

 merous rigid crowded bristles, segments of 'the calyx viscid 

 hispid, p. 155. Woods. 



6. R. iomentosa, leaflets ovate rather acute, fruit hispid or naked. 

 a. vera, shoots bent, segments of the calyx compound. 



/3. mollis, shoots straight, segments of the calyx subsimple. 



p. 156. a. Sea-side. |3. Ba?ih of rivers. 

 *** RUBIGINOS^. Prickles unequal, sometimes setiform, rarely (if 



ever) none. Leaflets ovate or oblong, glandular, icith the serratures 



divergent. Segments of the calyx persistent. Disk incrassated. 



Shoots bent. 



7. R. ruliginosa, prickles hooked, leaflets rugose opaque, calyces 

 and peduncles hispid. 



a. vulgarisy prickles strong very unequal, styles hairy, fruit ovate 



or oblong. 

 S. inodora, prickles very much hooked nearly equal, leaflets less 



glandular, segments of the calyx deciduous before maturity. 



p. 157. . Hedges. S. Edinburgh. 

 ##** CANINJE. Prickles equal, hooked. Leaflets ovate, without glands ; 



serratures connivent. Segments of the calyx deciduous. Disk in-* 



crassated, closing over the mouth of the tube. The larger shoots bent, 



8. R. canina, leaflets rigid ovate, ovaries 20 30. 



e. dumetorum, leaves hairy on both sides, segments of the cal. 



and peduncles smooth. 

 . ccesia, leaflets caesious hairy on both sides, tube of the calyx 



elliptical, p. 157. Hedges. . Banks of rivers. 

 ***** SYSTYL^. Styles cohering in a lengthened column. Stipules 

 adnate. Habit much like that of the last division. 



9. R. arvensis, shoots flagelliform, prickles unequal falcate, leaf- 

 lets glaucous beneath, p. 158. Hedges. 



10. R. systyla, shoots assurgent, prickles very stout hooked, 

 p. 159. Hills. 



SECT. III. POTENTILLE^E. Achenia superior, attached to an 

 usually fleshy ex&erted receptacle. Seeds suspended. 5/<2- 

 mens indefinite. 



1. GEUM. 



Cal. 10-cleft; alternate segments minute. Petals 5. Pericarps 

 with a long geniculated awn. Receptacle oblong. 



1. G. urbanum, flowers erect, awns naked, cauline leaves ter- 

 nate, radical ones lyrate pinnate, p. 165. Woods and hedges. 



2, G. rivale, flowers drooping, awns feathery, cauline leaves ter- 

 uate, radical ones interruptedly pinnato-lyrate. p. 165. 

 Marshes. 





