144 SANTALACE^ (Hill). [Thfshnn. 



Section 3. Penicillata. — Perianth-segmeuts ^vitll dense apical beard; the 

 pencil of perianth-hairr; behind each anther remains free and does not adhere to 

 the apex of the anther. 



Only South African species (113) penicillatam. 



Section 4. A^'^XLATA.— Perianth-segments with a more or less dense apical 

 beard, rarely papillose ; perianth-hairs behind anthera absent, but replaced hy a 

 ring of short downwardly-directed golden hairs inserted in the tube at the level of 

 the attachment of the filaments. 



Flowers in elongated spikes or raceme^i : ^ 



Perianth-segments with papillose margins ... ... (114) micropogon, i 



Periantli-sogrnents bearded ; 



Anthers included iu perianth-tube (11^) urceolatum. 



Aiithers exfierted ; 



Plants with numerous stout branches spreading 

 almost at right angles to stem ; style ^ I'm. 



long (11^3) patulum. 



Plants sparingly branched ; branches erect ; 

 Btigma sessile : 



Plants slender ; bi-acts small, Bubnlate ; 



perianth 2 liii. long (117) funale. 



Plants stout ; bracts leaf-like ; perianth above 



1 lin. long (11^) macro- 



stachytim. 



Flowers in heads or short spicate clusters : 



Flowers in rounded heads or dense coxnpact spikes 

 with imbricate conspicuous bracts ; perianth- 

 segments with an apical beard of stiff comb-like 

 hairs; 

 Bracts distinctly toothed oii margins : 



Upper leaves numerouSj lanceolatCj recurved at 



• tip (119) diversifolium. 



Upper leaves few, subulate, ascending (120) aggregatuni. 



Bracts quite entire, usually reddish-brown when 

 dry : 



Spikes stout, oblong or svibcapitate ; bracts 

 broadly ovate ; plants leafy : 

 Spikes mostly oblong ; bracts broadly ovate, 

 shari)ly keeled ; upper leaves linear- 

 Bubulate (1^1) spicatum. 



es mostly depressed-capitate ; bracts 

 lanceolate, not sharply keeled ; U2>per 

 leaves linear (122) hathyschistum. 



Spikes rather slender, often elongated ; bracts 



linear-lanceolate; plants with few leaves ... (123) subnudum. 



Flowers in more or less lax heads or spicate clusters ; 

 bracts inconspicuous ; perianth -segments with 

 dense woolly beard : 



Style above ^ lin. long (124) elatius. 



Stigma sessile : 



Bracts with fritiged margins (125) Frisea. 



Bracts with entire margins : 



Leaves more or less crowded, adpressed to 



fitem, somewhat fleshy (12G) annulatum. 



Leaves scattered, spreading ; 



Leaves narrowly linear ; flower - heads 



globose, few^-fiowered *. (127) hrachygyne. 



Leaves broadly linear ; flower-heads ovoid, 



many-flowered (128) Patersonae. 



