58Q Lxxi. COMPOSURE. [Coreopsis 



-caudate ; filaments thickened near the apex up to the insertion 

 of the anthers ; style bulbous at the base, its branches towards 

 their exserted tips thickened, pilosulous, and surmounted by 

 cylindrical narrower tender rather fleshy tolerably long ap- 

 pendages ; achenes none winged but flatly compressed, black, 

 .subemarginate at the apex, surmounted in the hollowed centre 

 by a dense hairy ring of setulse, those of the ray without and 

 those of the disk with two aristae continuous with the densely 

 ciliate-hispidulous edges; the whole achene about i in. long, 

 ■elongate, linear-oblong, slightly or scarcely widened above the 

 middle, longitudinally striate, marked on one side with a 

 prominent nerve or angle ; the aristse pallid, about ^ in. long, 

 erect-patent, beset with erect-setulse at the base, glabrous above, 

 subulate, persistent ; receptacle broad, somewhat convex, furnished 

 with lanceolate- or linear-oblong obtuse dry erect flat scales, 

 which subtend the disk-florets, measure i to f in. long, have 

 scarious edges, and are marked with 3 to 5 parallel nerves. 



Ambaca. — Leaves coriaceous. By thickets from N-gombe in the 

 •direction of Puri-Cacarambola, not abundant ; not yet in full fl. 

 Oct. 1856. No. 3537. 



PuNGO Andongo. — In thickets near Caghuy et Quilanga ; fl. Jan. 

 1857. No. 3538. Plant dried with great difficulty. In sunny 

 thickets and in wooded places around and within the fortress, 

 abundant ; fl. March 1857 ; also near Quitage at the river Cuige, not 

 yet fl. March 1857. No. 3535. In open wooded situations, especially 

 near Sansamanda, plentiful ; fl. 1 May 1857. No. 3536. 



Nearly related to C. kilimandscharica 0. Hoffm. in Engl. Bot. 

 Jahrb. xx. p. 234 (1894). 



The following plant perhaps belongs to G. spedosa, though the 

 capitula are smaller with more hairy involucres, the foliage of 

 the flowering shoots is more densely clothed beneath with short 

 hairs, and the achenes are shorter : — 



Ambaca. — A herb, 2 to 3 ft. high ; ligules of the ray-florets long, 

 brilliant, deep yellow. At the left bank of the river Caringa, very 

 rare ; fl. and fr. June 1855, No. 3272, partly. 



3. C. ambacensis Hiern, sp. n. 



An erect, loosely branched herb, 2 ft. high or more ; stem and 

 teanches more or less angular and furrowed, nearly glabrate 

 Iselow, striate and puberulovis above with thick weak pallid hairs ; 

 leaves opposite or the upper ones sometimes alternate, much- 

 divided, ovate in outline, about 2^ in. long by 1^ in. broad or 

 rather larger, more or less pubescent with narrow or small 

 ultimate segments; the lobes tipped with cartilaginous not 

 setaceous points ; the common petiole short, dilated and clasping 

 at the base ; capitula sub-hemispherical, ^ to f in. long, solitary, 

 terminating the stem and branches, on unequal peduncles ranging 

 up to several inches, together forming open somewhat leafy 

 terminal cjrmes ; involucral scales pauciseriate, oval or oblong, 

 obtuse, the outer ones beset with thick tapering pallid hairs on 

 the back ; receptacle convex, furnished with narrowly oblong 



