Mr. Woops-on the British Species of Rosa. 231 
I have observed to vary considerably. R. debracteata, Lam. et 
Dec. Fl. Fr. vi. 537, ought also probably to be referred to this 
species: it has the styles connected, and differs from R. arvénsis 
in its greater size and upright stem. The * flore d'Anjou” of 
Bastard I have not been able to meet with, I therefore trust to 
Desvaux: but the character of the plant is so distinct, as ap- 
plied to a Rose having nearly the habit of R. canina, that there 
can be no doubt of the accuracy of the reference. Desvaux has 
thought proper to alter the name ; but I have preferred retaining 
that originally proposed by Bastard, not only as being prior to 
the other, but also very decidedly better. ‘I'he name in English 
Botany was given with the idea that this species coincided with 
the R. collina of Jacquin; from which, liowever, it may readily be 
distinguished by its elegant habit, cup-shaped flowers of a much 
more glowing hue, long fruit and peduncle, narrow bracteæ, and: 
above all by its connected styles, which separate it from all Roses 
of the canina family. The difference in the size and strength of 
the aculei of the branches compared with those of the surculi. 
may sometimes also be a useful character. The habit of R. 
systyla will to. the practised eye keep it abundantly separate from 
R. arvensis. In artificial character they are more nearly allied ;. 
butin R. s syst yla the surculi, though weak and gracefully bending,. 
rise upwards, unlike the long, rambling, decumbent. shoots of 
R. arvensis: they are also thickly covered with large. prickles ;. 
whereas those of the latter Rose have the aculei ipeioen very large 
nor very numerous, but rather the contrary. - 
In some states this is a Rose of no very conspicuous appear- 
ance ; but when it produces its root-shoots long and gently curved 
downwards by the weight of the numerous clustered flowers, it is. 
hardly possible to conceive any thing more beautiful. 
26. | E. 
