566 
APPENDIX I. 
c. Sep. clasping and almost hiding fr. 
R. velatus LetV. St. with scattered silky hairs. Prk. stout- 
based. Term. It. roundish-obovate-acuminate. Stam. exceeding 
sty. Carp, pubescent. 
D. .(Group XIV.)— St. low arching or trailing, pruinose. Prk. 
scattered mostly acicular and straight. Bas. Its. sessile or 
very nearly so. 
Group. XIV. C^sii {Corylifolii Focke). St. roundish or 
slightly angular, with many rooting branches. Intermediate 
acic. and stkd. gl. few (except in some forms of R. dumetorum), 
sometimes absent. Lts. mostly broad bas. hardly stalked. 
Stip. often rather broad. Pet. large roundish. Drupelets 
usually rather few and large. Fl. early and late. See Focke, 
Syn. R. G. 387. 
1. L. 5-nate or 3 — 4-nate. Stip. linear-lanceolate or filiform 
(rather broadly lanceolate, in R. Balfourianus). Drupelets 
fairly many, rather large, mostly epruinose. 
R. dumetorum Wh. & N. Sp. collect. St. and pan.-rach. 
with many unequal prk. acic. and glandtipped organs. Lts. 
usually thick. Pan. mostly long, regular, compound, with 
rach. usually very hairy. Fr.-sep. mostly erect or subpatent. 
(For conspectus of R. dumetorum forms see below, at the 
end of this table.) 
R. corylifolius Sm. Sp. collect. Prk. subequal, irregularly 
scattered. Glandtipped organs very few. Lts. moderately 
thick. Pan. somewhat irregular, with few axillary branches 
and whitish-felted rach. Fr.-sep. noi'mally refiexed. 
a. Var. sublustris Lees. St. round. Prk. subulate. L. 
5 — 7-nate. Term. It. broadly ovate-acuminate incised -serrate 
and (often) lobate. 
b. Var. cyclophyllus (Lindeb.). St. bluntly angled. Prk. 
rather short and stout. L. 5-nate. Term. It. roundish cuspi- 
date-acuminate, not lobate. - 
R. Balfourianus BIox. Stkd. gl. mostly short, fairly many 
though unequally scattered. Lts. usually thin, conspicuously 
wrinkled above. Stip. rather broad. Pan. diifuse, with 
straggling few-tiowered branches. Fr.-sep. clasping. Fl. and 
fr. large. 
-2. L. normally 3-nate. Stip. considerably broadened in 
middle. Drupelets few, very lai-ge, conspicuously glaucous. 
R. ccesius Linn. Prk. weak .short subulate. Stkd. gl. and 
acic. seldom many, sometimes absent. Lts. thin. Pan. lax, 
few-flowered. Fr.-sep. clasping. Whole plant weak. 
