Serruria.| | PROTEACEZ (Phillips & Hutchinson). 657 
Outer bracts glabrous outside, 3-4 lin. broad ... (40) emula, 
var. heterophylla. 
Bracts conspicuously ribbed and glabrous or subu- 
late and long-ciliate, but otherwise glabrous ; 
stems ascending, much-branched : 
Bracts very narrow and long-ciliate, not ribbed (23) ciliata. 
Bracts ovate-lanceolate, glabrous, with 3-4 
prominent ribs along the back... -» (24) nervosa. 
**Stems erect or ascending, very rarely procumbent ; leaves 
of the annual flowering shoots pinnate or bipinnate, 
never simple and only rarely a few trifureate : 
Leaves permanently silky-silvery adpressed-tomentose : 
Heads 2 and _ subsessile ; eee oo in the 
lower half . ee ; -- (25) Dodii. 
Heads clustered and feieeimeiancas ; ee glabrous : 
Peduncle $ in. long .. ay : ae .. (26) argentifolia. 
Peduncle 1-14 in. long eis ce sine .. (27) Aitoni. 
Leaves glabrous or thinly pilose with long weak otis. 
ing hairs : 
Style hairy in the lower $ or 3 or in the middle 4: 
Heads solitary, terminal, sessile ; style hairy only 
in the middle third... Be ee .. (28) brevifolia. 
Heads several together, or if solitary then long- 
pedunculate ; style hairy in the lower $ or 3: 
Indumentum of the perianth short and 
adpressed : 
Leaves 3-1} in. JOG. thick, divided almost 
from the base i tf .. (29) flava. 
Leaves usually larger, more slender and with 
longer ultimate segments, divided in the 
upper half or two-thirds ... oe ... (30) acrocarpa. 
Indumentum of the perianth long-villous : 
Leaves divided from or very near the base, 
narrowly ovate in outline when spread 
Outs Be, ge re ep ... (31) longipes. 
Leaves divided from considerably above the 
base, more or less fan-shaped in outline (32) artemisiefolia. 
Style glabrous : 
Heads solitary and sessile or subsessile at the apex 
of each branch or leafy lateral branchlet, or if 
shortly pedunculate then more or less clasped 
at the base by the leaves: 
Limb of the posticous perianth-segment glabrous 
or very minutely pubescent, or villous some- 
times in 35, millefolia : 
Leaves divided more or less in the upper 
half : 
Leaves 1-14 in. long ; heads large, pra 
and densely flowered ... . (33) hirsuta. 
Leaves 3-1 in. long; heads small, few- and 
lax flowered... oe te .. (84) ventricosa. 
Leaves divided almost from the oR bet 
small ee bee . (35) "en 
VOL. V.—SECT. I. 
