Raoulia.} COMPOSITAE. 969 
Subgenus IJ. Ev-Raovi1a. Pappus-hairs 5-100 or 150, in many series, very thin 
and slender, usually denticulate. 
* Radiatae. Inner involucral scales with white radiating tips. 
Stems laxly branched. Leaves densely imbricated, $-}in., re- 
curved, obovate-spathulate. obtuse. Heads jin. diam. Florets 
30-50 tw. ay nf es x .. 13. R, Petriensis. 
Stems stout, matted. Leaves closely imbricate, spreading and 
recurved, obovate -spathulate, densely silky-tomentose except at 
the base .. ar ©. a, es - .. 14. R. Parkw. 
Stems stout, matted. Leaves laxly imbricate, erecto-patent, 
linear-oblong, silky or glabrate } ey od .. 15. R. subsericea. 
Stems slender, laxly imbricate. Leaves laxly imbricate, erecto- 
patent, linear-oblong, glabrous or nearly a < . 16. R. glabra. 
Stems densely tufted. Leaves very small, 3,7, in., broadly spa thu- 
late, limb covered on both surfaces with silvery pubescence. 
Inner involucral scales brilliant citron-yellow .. re .. 17. R. lutescens. 
** Hradiatae. Inner involucral scales not white and radiating. Leaves spathulate, 
recurred, obtuse or retuse, greyish-pubescent. 
Forming broad patches. Leaves ;4, in., white and silvery, obovate- 
spathulate, 3-nerved at the base. Inner involucral scales pale- 
yellow .. ai “P .. 18, R. australis. 
Small, prostrate and rooting, " greyish. -white. Leaves closely im- 
bricate, conspicuously distichous, spreading and recurved .. 19, RB. Monrot. 
Forming large compact irregularly shaped greenish cushions. Leaves 
rigid, erect, dilated and 3-nerved at the base, almost glabrous. 
Heads small, } in. long . 20. R. Haasti. 
Stems slender, prostrate and creeping. Leaves lanceolate- spathu- 
late, laxly imbricate. Greyish tomentose or nearly glabrate .. 21. R. tenuicaulis, 
Forming ashv-grey patches ; stems almost woody. Leaves closely 
imbricate, suberect, incurved at the tip, linear-subulate, densely 
clothed with greyish-white tomentum Ne = .. 22. R. cinerea. 
1. R. subulata Hook. f. Handb. N.Z. Fl. (1864) 149.—A smal! densely 
tufted species forming moss-like patches 1-3in. diam., perfectly glabrous 
in all its parts ; Pan VEnGs 4-lin. high. Leaves very closely imbricated, 
suberect or patent, $-}in. long, subulate-lanceolate, acuminate, |-nerved. 
Heads 4 in. diam. ; involucral bracts in 2-3 series, linear-lanceolate, scarious, 
irregularly denticulate, acuminate, not white nor radiating. Receptacle 
convex, hispid with linear-clavate papillae as also the achenes.  Florets 
18-25, the females usually rather fewer in number than the hermaphrodite 
ones. Pappus-hairs somewhat rigid, thickened at the tips.— 7. Kork 
Students’ Fl, (1899) 304; Cheesem. Man. N.Z. Fl. (1906) 332. Psychro- 
phyton subulatum Beawverd in Bull. Soc. Bot. Genéve, u (1910) 234. 
SourH Isnanp: Nelson—Mountains above the Wairau Gorge, Sinclair, T. F.C. 
, T. F. C.; Rangitata Valley, J. B. 
Armstrong! Mount Cook district, 7. F. C. Otago—Lake district, Hector and 
Buchanan ! Hector Mountains, Mount Pisa, Mount Tyndall, Petrie / 4000-6500 ft. 
December—February. Tr Ft 2G. 
A well-marked species, not closely related to any other. 
2. R. eximia Hook. f. Handb. N.Z. Fl. (1864) 149.—Forming lfarge 
rounded or amorphous densely compacted masses from a few inches to 
several feet long and sometimes over 2ft. high. Root stout, woody ; 
branches short, with the leaves +in. diam. Leaves most densely packed, 
imbricated all round the branch in many series, linear-obovate or linear- 
cuneate, rounded at the tip, membranous, slightly enlarged towards the 
base, l-nerved, bearing on both surfaces towards the tip a dense tuft of 
straight white hairs which project beyond the leaf and entirely conceal 
