324 LXXIII, COMPOSITZ (OLIVER AND HIERN). { Laggera. 
outer smaller. Receptacle naked. Corolla of ¢ fi. tubular, filiform, 
mouth dentate; of inner florets tubular toothed. Anther-base 2-dentate, 
often unequally or shortly sagittate, not distinctly tailed nor with the 
produced bases cohering in pairs. Style-branches narrow-linear pa- 
pillose. Achenes glabrous or thinly pilose, the hairs often in faint 
longitudinal rows; pappus 1-seriate, setiform.—Herbs or frutescent 
below, tomentose pubescent scabrid or glabrate. Leaves alternate, 
simple, entire or denticulate, decurrent. Capitula varying to 1 in. 
diam., variously panicled or axillary. 
* Asmall genus of the Old World Tropics. 
Branches alate with interrupted wings 1. L. pterodonta. 
Branches alate with continuous wings. 
Peduncles varying to 1 in. . 
Repeatedly divaricate. Leavesentire . . . . . . . 2 JL. divaricata. 
Panicle pyramidal or elongate. Leaves denticulate. 
Capitula 1-1} in. diam. (peduncles decurved) . . . . 3. D. squarrosa. 
Capitula $-? in. 
Outer involucral scales glandular-pubescent or glabrate, cae 
not recurved at flowering . . . . . . . . 4 L. crassifolia. 
Outer involucral scales tomentose or scabrid-pubescent. 
Leaves subentire or, denticulate, hoary-floccose be- 
neath ose 5 et ee we te 
Leaves dentate or denticulate, tawny-tomentose be- 
neath See ee ee ee 
Capitula subsessile. 
Anvolucral scales linear or linear-lanceolate, not her- 
baceous ; wings broad. . 
Capitula axillary. Leavesacute . . . 7. L. Brauni. 
Capitula terminating short axillary branches. Leaves 
obtuse. . . . . 8 L. oblonga. 
Outer scales lanceolate herbaceous ; wings narrow . . . 9 LD. brevipes. 
1, L. pterodonta, Sch. Bip. in. Schweinf. Beitr. Fl. Aithiop. P- 
151. Stout erect herb, often viscid, branched above, 9-7 ft. high; 
branches striate, puberulous especially above, alate with toothed or 
interrupted wings. Leaves alternate, elliptical-oblong or lanceolate, 
more or less acute, narrowed at the base, membranous, puberulous, 
dentate or denticulate, decurrent, ranging up to 6 in. long by 23 in. 
wide. Capitula widely campanulate, oo-flowered, # in. long, on pedi- 
cels about 4 in. long, often nutant, in large terminal pyramidal panicles. 
Scales of involucre pluriseriate, unequal, linear-lanceolate ; innermos 
linear, acutely acuminate ; outer short, sessile-glandular, spreading oF 
recurved. Receptacle naked, flat. Ray-florets filiform ; ligule 0. 
ther-base bidentate or obtuse. Achenes pilose. Pappus subfulvous, 
uniseriate.—Blumea pterodonta, DC. Prodr. v. 448. Serratula polygy 
A. Rich. Fl. Abyss. i, 457, t. 62. Laggera (Blumea) purpurasen®s 
Schultz Bip. in Hb. Schimp. Abyss. Blumea purpurascens, A. Rich. 
lic. 395. Conyza ctenoptera, Kth. ; Walp. Rep. vi. 133. 
Abyssinian name, Zagafela. 
Mile Land. Abyssinia, Schimper! Petit? Sennaar, Kotschy! Un 
Karagué, Speke and Grant! Mittu-land, Schweinfurth/ 
Occurs also in India, Madagascar, &c. 
5. L. tomentosa. 
6. L. alata. 
yoro and 
