RrBrs. 
101 
16. R. Coleman'ni (Blox.J ; st. arcuate angular subglabrous, 
prickles many nearly equal declining compressed and dilated 
below, 1. quinate, Its. convex opaque above green and hairy on 
the veins beneath irregularly dentate imbricate, term. It. roundly 
cordate acuminate (on the fl. -shoot rotmdish or broadly oval), 
pan. long leafy below its branches ascending corymbose or the 
axillary ones racemose its prickles many slender deflexed or de- 
cUning with many setae and aciculi, cal. ashy-felted hairy. — 
a. fusco-ater ^. CotemanniBah. — St. with a few aciculi and setae 
and scattered hairs. Pan. not felted. Pet. white. The posi- 
rion of this plant is doubtful, but it seems to be most allied to 
i?. GrahoiDsJdi of our species. — Hedges near Coventiy and Pack- 
ington. Sh. \TI. \TII. E. 
17. R. Sal'teri (Bab.) ; st. arcuate-prostrate angular furrojoed 
subglabrous, prickles subpatent slender compressed from a dilated 
compressed base, 1. quinate, Its. thin coarsely and doubly patent- 
dentate green on both sides hairy only on the veins beneath, 
term. It. broadly obovate cuspidate-acuminate subcordate, pan. 
long lax hair}- its idtra-axillary branches short few-flowered 
corjTnbose patent its rachis wavy its prickles slender declining, 
sep. hairj- felted erect-patent. — St. gi-een, becoming quite gla- 
brous, with a few aciculi and setae occasionally. Lts. hard and 
rough beneath. — a. Salteri ; Its. lobed- or doubly-serrate, rachis 
of cylindrical panicle nearly straight, branches corymbose patent, 
Sep. erect-patent. A few sunken setae on the pan. and calj'x. 
Pet. white. — ^. R. calvatus (Blox.) ; Its. coarsely dentate the 
teeth distant with recurved tips interstices denticulate, rachis of 
lax pan. wavy branches subracemose and ascending the upper- 
most corymbose and patent, sep. loosely refiexed. Many sunken 
setae on the panicle. Pet. pinkish or deep rose-coloured. — These 
plants seem to be the extremes of one species. — Open woods and 
hedges, rare. Sh. YD.. VSH. E. I. 
18. R. carjyinifolius & N.) ; st. erect-arctiate angular 
striate with patent clustered hau's, prickles slender conical com- 
pressed dechning from a dilated compressed base, 1. quinate. 
Its. thin irregularly but finely serrate pilose above rather paler 
or whitish and densely hairy on the veins beneath, term. It. 
obovate-acuminate or cuspidate, /jaw. ?!a/ro!/7 racemose hairy se- 
tose its lower branches axillary short few-flowered its prickles 
deflexed or declining, sep. hairy setose loosely reflexed from the 
fruit. — R. G. 13. — St. foi-ming a large lofty arch. L. with very 
fine but irregular acute teeth remarkably directed forwards. 
Pan. often nearly simple, cylindrical. Pet. white or reddish. — 
Open places in hUly districts. Sh. VH. VIH. E. S. I. 
19. R. vilHcaulis (W. & N.) ; st. arcuate angular patently pi- 
lose, prickles strong conical-compressed subpatent fi-om a dilated 
