688 PROTEACEA (Phillips & Hutchinson). —[ Spatalla. 
Involucres sessile or subsessile : 
Perianth-tube nearly as long as the claws of 
the segments, claws glabrous in the 
lower half except on the margin... ... (15) prolifera. 
Perianth-tube much shorter than the claws, 
the latter tomentose outside : 
Branches of previous years’ growth leafless ; 
leaves on the young shoots crowded, 
slender, scarcely } lin. in diam. ; hairs 
on the perianth-limb slightly longer 
than those on the claw ee ... (16) Burchellii. 
Branches of previous years’ growth leafy ; 
leaves lax, stouter, nearly $ lin, in 
diam.; hairs on the _ perianth-limb 
much longer than those on the claw ... (17) barbigera. 
**Involucres 3-4-flowered, usually containing a second 
smaller subsessile involucre with a rudimentary 
flower : 
Leaves 3-4 lin, long, about 4 lin. thick, stiff; racemes 
few-flowered ... ee sae se oes ... (18) Wallichii. 
Leaves 6-12 lin. long, about } lin. thick, often slender ; 
racemes usually many-flowered : 
Leaves nearly straight, abruptly mucronate ... ... (19) mucronifolia. 
Leaves strongly falcate, gradually mucronate : 
Involucres on peduncles 3-1? lin. long ; perianth- 
segments straight in the open flower; fruits 
stipitate ... ase Ee ewe ey ... (20) procera. 
Involucres subsessile; three perianth-segments 
spirally twisted in the open flower ; fruits not 
stipitate ... ash pe ins ioe .-- (21) thyrsiflora. 
1. §. squamata (Meisn. in DC. Prodr. xiv. 310) ; branches thinly 
pilose or nearly glabrous ; leaves }—} in. long, scarcely } lin. broad, 
linear, acute, glabrous or scantily pilose; involucres 1-flowered, 
arranged in sessile solitary or 2-3 terminal spikes ; spikes $—1} in. 
long ; subtending bracts 24 lin. long, linear or lanceolate, subacutely 
acuminate, membranous or chaffy, glabrous or nearly so outside,. 
ciliate ; involucre 23-3 lin. long, coloured, bilabiate, more or less 
membranous or chaffy, thinly pilose outside or nearly glabrous ; 
upper lip ovate, entire, lower 3-toothed, 3-nerved, with a dense line 
of hairs on the middle nerve within, teeth about } lin. long, ovate, 
subacute ; perianth-tube } lin. long, glabrous ; segments 3} lin. long, 
the 5 anticous twisting spirally and reflexed below the limb, the 
posticous one straight ; claws shortly pubescent with crisped hairs ; 
limb } lin. long, ovate with a long acuminate fleshy appendage at 
the apex, villous outside ; anthers } lin. long ; hypogynous scales 3, 
+ lin. long, ovate-lanceolate, fleshy, glabrous; ovary 4} lin. long ; 
style 3} lin. long, subterete; stigmatic disk } lin. long, obovate, 
with a small central coniéal stigma. é 
SoutH AFRica: without locality, Thom, 164! Ludwiy! 
