THE BOOK OP ROSES. 371 



Leaflets, seven ; occasionally five or nine. 

 Tube of calyx, slightly tightened at the summit. 

 Flowers, middle-sized or small ; pure white, not very 



fragrant. 

 Styles, green, detached and salient. 



4. Musk Rose almost unarmed. 



Shrub, high and vigorous. 



Branches, ifcarmed at the summit ; having at the base 



a few short, almost straight thorns. 

 Leafstalks, often unarmed. 

 Leaflets, five or seven. 

 Flowers, single; white, middle-sized; not numerous. 



5. Princess of Nassau. 



Shrub, having elbowed branches. 



Leaflets, seven or nine; hairy underneath, the edges 

 curled, the toothing inclined. 



Buds, sulphur-yellow, marbled -with red. 



Flowers, middle-sized, very double, fragrant ; expand- 

 ing bright yellow, becoming white. 



Styles, joined together, but without adhesion. 



6. Noisette Single White Musk. 



Bash, spreading. 



Branches, sarmentous, not creeping. 



Thorns, not numerous, brown, crooked, scattered ; not 

 interspersed with bristles. 



Leaflets, seven or more, rarely five ; oval-lanceolated, 

 the midrib hairy underneath. 



Flowerstalks, in paucifloral clusters. 



Tube of calyx, oval-pyriform ; hairy. 



Flowers, middle-sized, fragrant, single, white ; appear- 

 ing in August and September. 



Styles, detached, united only by the interlacing of their 

 hairs. 



