APPEUDIX I. 
547 
ovate long-stalked ; bas. shortly stalked. Stam. exceeding 
sty. Approaches R. sulcatum, but smaller with broad Its. 
Var. hemistemon P. J. Muell. Lts. oval greyish-green, 
hardly plicate, hairy, with long point. Stam. at first much 
shorter than sty. 
Group II. SuBEHAitN-iFOLii. St. suberect or arcuate, often 
rooting, subglabrous. Bas. Its. shortly stalked. Pan. sub- 
racemose or composite. Sep. externally hairy, olive or grey, 
somewhat white-margined. Without bloom. Normally 
eglandular. 
1. St. suberect, sometimes rooting. Sep. externally olive or 
greyish. 
a. Sep. externally olive with conspicuous white margin 
(sometimes greyish or wholly grey in H. ajfinis). 
(i.) Fr.-sep. patent or subpatent. Pan. subracemose 
above. Pet. obovate or oval. 
jR. nitidus Wh. it X. Prk. crowded, mostly slender ; 
straight or falcate on st., usually strongly hooked on pan. 
Term. It. small oval acute. L. and cal. shining. 
Subsp. opacus Focke. Prk. usually few straight long. 
Term. It. large cordate-acuminate. L. opaque above, softly 
hairy or felted beneath. 
(ii.) Frt.-sep. reflexed. Pan. with cymose branches. 
Pet. roundish. 
i?. affinis TMi. it X. St. very tall. Prk. remarkably long, 
normally straight. L. thick, wavy at edge, often grey beneath. 
Term. It. ovate-cordate-acuminate, gradually attenuate. Sep. 
reflexed throughout. 
Yar. Briggsianus Eogers. St. lower more arcuate. Term. 
It. oval acute. Pan. strongly developed, less leafy above. 
Sep. loosely reflexed. 
b. Sep. externally greyish, less conspicuously white- 
margined, loosely reflexed or subpatent in fr. 
R. integrihasis P. J. Muell. ? Prk. declining long ba.sed. 
L. only thinly hairy beneath. Term. It. obovate or oval 
cuspidate-acuminate. Pan. lax slender, mostly racemose. 
Whole plant usually slender. 
R. cariensis Genev. Prk. strong patent or nearly so. L. 
deeply incised ashy-felted or softly hairy beneath. Pan. 
dense compound cylindrical. Strong. (Sometimes abnormally 
furnished with a few very short stkd. gl. on bracts and ped.j 
2. St. soon arcuate but rarely (if ever) rooting. L. very 
large. Sep. externally grey (or greyish-olive), mostly patent 
