APPENDIX I. 
551 
{ (ii.) Prk. strong, confined to angles. Fr.-sep. reflexed. 
B. villicaulis Koelil. St. hairy. Prk. long, strai>;ht, manj-. 
Lts. ovate or oval acuminate, softly hairj" or felted beneath, 
Pan. with prk. chiefly long, slender, declining. Stam. far 
exceeding sty. 
Subsp. Selmen Lindeb. St. and 1. less hairy. Prk. falcate. 
Lts. concave, roundish-ovate, ^vith wavy edge. Stam. short, 
often barely equalling sty. 
Group V. DiscoLOEES. St. erect -arcuate or arcuate-pros- 
trate, thinly or densely pubescent or hairj- or glabrous, some- 
times pruinose, rarely rooting. Lts. with whitish felt beneath, 
which becomes greenish in autumn. Pan. hardly narrowed 
above (except in E. argentatus). Usually quite eglandular. 
1. St. erect-arcuate, rarely rooting, glabrous or verj- nearly 
so, furrowed. 
R. ramosus Briggs. L. .3 — 5-nate-pedate. Lts. convex, 
shining above, coarsely serrate ; term, oblong or obovate cus- 
pidate. Pan. lax, with long branches. Fr. small, poor. 
R. thyrsoideus Wimm. L. 5-nate-digitate. Lts. flat or 
concave, often incised-serrate ; term, oval or ovate, acuminate. 
Pan. elongate, cylindrical above. Fr. fine. 
2. St. arcuate-prostrate or climbing, often rooting, hairy or 
pubescent. 
a. St. somewhat pniinose. 
R. argentatus P. J. Muell. Prk. (st. and pan.) long, rather 
unequal, straight or falcate. L. -5-nate-digitate or pedate. 
Pan. lax, narrowed above, with showj- long-pedicelled bright 
pink fl. and thick villous hair on rachis. 
Var. rohustus (P. J. Muell.). Very strong and prickly. L. 
thick, irregularly and deeply cut. Pan. less narrowed above. 
Yar. cHi-icola A. Ley. Prk. weaker. Term. It. short, 
roundish-obovate, with long cuspidate or cuspidate-acuminate 
point. Pan. with long corymbose-cylindrical idtra -axillary 
part. Pet. faintly pink. 
R. rusticanus Merc. St. furrowed, pruinose. Lts. glabrous 
above, usually cuspidate. Pan. and ped. with close-pressed felt 
and very broad-based hooked prk. Sep. reflexed (fl. and fr.,i. 
h. St. epruinose, pubescent. 
R. puhescens TTeihe. L. o-nate-digitate. Lts. oval or 
obovate-acuminate, thinly hairy above, irregularly serrate. 
Pan. elongate, felted, hairy, with hooked prk.- Sep. with 
upcurved tip. 
Yar. suhinermis Rogers. L. 3 — 5-nate-pedate. Pan quite 
unarmed or with few declining prk. 
