IIUBUS. 
99 
5-uatc-iligitate flat glabrous ami opaque above ashy and downy 
beneath acutely deutatc, leajl. cordate abruptly cuspidate, lower 
pair stalked overlapping the iuterm. pair, ])aiiicle cohii)oiuu 1 leafy 
below with aseemling branches : rachis pilose its suniniit and the 
ped. toineutose,/r. hairy . — Weihe in IViinm. and Grab. FI. Files. 
li. .'12. 1 Bab. in A. N. II. xix. 8.'1. — Sceondary shoots of st. ]>ilose. 
Petioles with strong nmeh hooked numerous ])rickles. Panicle 
narrow, not setose, very j)rickly throughout : jn-ickles slender, 
deelining or detlexed. — Near Cadebv, Leicestershire. Rev. A. 
Bloxant. »h. VIII.? ' E. 
11. R. discolor (W. and N.) ; .st. angular arched mostly fur- 
rowed silky, prickles straightish dccurved or horizontal, L 5-nate 
coriaceous but thin white beneath, lead, obovate or oblong 
pointed, panicle long narrow nearly leafless tomentose. — R. fruti- 
eosus Bab. ed. 1. — St. long, usually deeply furrowed. Prickles 
large, strong, numerous. Lead, variable in shape usually obovate 
and acute, sometimes (R. abriiptus Liiidl.) euueate-obloiig ab- 
ruptly truncate and cuspidate. Panicle with patent branches, 
occasionally with long axillary ones below. — a. discolor-, st. stri- 
gosc-silky, prickles declining or dedexed, lead, usually with de- 
dexed margins glabrous above white aud dnely tomentose be- 
neath, branches of the racemose tomentose panicle decom])ouud. 
R. G. 20. R. fruticosus Sm., E.B.JIb. — B- Hiyfsoideus stem 
neiirly glabrous, jnickles straight, lead, dat glabrous above green- 
ish white or white and tomentose beneath, panicle elongate thvr- 
soid tomentose. R. thyrsoideus (Wimm.) Arrh. R. fruticosus 
R. G. 7- R. discolor v. lioidus Blox. Ease. — y. macroacanthus ; 
st. with scattered patent hairs, prickles strong pilose nearly 
straight slightly dedexed, lead, dat pilose above downy white and 
soft beneath, racemose branches of the pubescent panicle few'- 
dowered. R. G. 18. — 8. argenteus stem with patent hairs, 
jirickles straight, lead, dat silvery-white and dowmy beneath, 
racemose-compound branches of the pubescent panicle few- 
dowered. R. G. 19. — Common, the varieties less frequent. Sh. 
VII. YIII. 
12. R. leucostachys (Sm.); st. arched angular hairy, prickles 
equal straightish horizontal, 1. 5-nate coriaceous dat soft and 
tawny or white ivith shining hairs beneath, le.ad. ovate or roundish 
abruptly pointed, panicle long narrow leafy shaggy or dowmy. — 
E. B. 2()dl. R. pubescens R. G. l(i. — St. long, not furrow'ed, 
often nearly round ; pubescence loose, weak. Prickles numerous, 
hairy; on d. -shoot and panicle long and straight. — /3. vestitus; 
st. nearly subereet, lead, round acute mucronate-c?e«#ote pale 
green or whitish beneath. R. G. 33. R. diversifolius Lindl. S\-n. 
ed. 1. 83. R. villicaulis Leight. var. a. Bab. ed. 1. — y. argenteus ; 
pubescence of st. dense and silveiy, lead, roundish-obovate acu- 
F 2 
