320 LXXIII. COMPOSITE (OLIVER AND HIERN). [ Psiadia, 
subcoriaceous; midrib depressed above, prominent beneath ; lateral 
veins not conspicuous; margins narrowly revolute, not undulate; 
petiole 4-2 in. Capitula } in. diameter, hemispherical, 60-70-flowered, 
on short pedicels, in corymbose cymes scarcely equalling the leaves. 
Involucral scales 3-4-seriate, obtuse ; the outer ones puberulous, sub- 
coriaceous. Ligule small, bidentate. 
Mozamb. Distr. Mozambique, Peters / 
Perhaps only a form of the former species. 
3. PB. incana, 0. § H. A densely-branched hoary shrub, a yard 
high or more. Branchiets scattered with a white puberulence. Upper 
leaves oval or obovate obtuse or pointed, wedge-shaped at the base 
into a short petiole, shortly hoary-tomentose, especially beneath, 
crowded on the young shoots, entire, 4-1 in. long. Heads 4 in. long, 
on hoary-pubescent pedicels of 4-4 in. in dense terminal hemispherical 
corymbs, overtopping the leaves. Outer bracts of the involucre 
woolly outside, ovate, obtuse; inner rather oblong, nearly glabrous, 
qy in. long. Ligule of the ray-florets } in. long, longer than the style 
branches. 
Wile Land. Somali-land, in mountainous places, at 3300-5300 ft. altitude, 
Hildebrandt ! 
24. ADELOSTIGMA, Steetz; Benth. et Hook. f. 
Gen. Pl. ii. 285. . 
Capitula heterogamous, many-flowered. Involucral scales ©, Im- 
bricate, elongate, lanceolate or linear. Outer florets pistillate, pluri- 
seriate; inner florets few or solitary, tubular, hermaphrodite (or 
sterile?). Receptacle plane, alveolate. Corolla of outer fi. filiform, 
mouth 3—4-dentate; of disk-fl. dilated towards the 5-lobed mouth. 
Anther-base 2-dentate or sagittate. Style papillose above, scarcely 
or very shortly bifid at apex. Achenes cylindrical; pappus 1-seriate, 
setaceous.—Annual erect herbs, sparingly branched above. Leaves 
alternate, linear, entire or pectinate. Capitula 3-1 in. diam., solitary, 
terminal. 
Peculiar to this Flora. . 
Leaves pinnatipartite. Capitula surrounded by floral leaves -. 1. A. senegalensis. 
Leaves entire or denticulate. Capitula without outer floral 
leaves . Ce ee ee ee ee DA, athriviondes. 
1. A. senegalensis, Benth. in Hook. Ic. Pl. 1144. Glabrous 
erect annual herb of 1-14 ft. more or less, branched above, eac 
branch terminating in a capitulum; stem and branches terete W? 
raised decurrent lines or very narrowly alate from the leaf-bases. 
Leaves linear, remotely pectinate-pinnatipartite, varying to 2 i. 
length, rachis and lobes } line broad or narrower. Capitula termina) 
4-1 in. diam., often corymbose, surrounded by the upper-leaves WHY 
lose their lateral lobes and pass gradually into the involucre. Invol- 
cral scales linear-lanceolate, long-acuminate, 1-nerved, outer tomentose 
at least below, inner scales lanceolate-subulate hyaline. P th 
florets very numerous; corolla easily separating, filiform-tubular, peat 
minutely unequally (4-) dentate. Style-branches slender, elong®”™ 
