Laygera.] Lxxiii. cOMPOSiTiE (Oliver and hiern). 327 



ing and recurved at apex. Receptacle naked. Ligule 0. Anther-baKe 

 obtuse or bidentate ; tips oblong, obtuse. Achenes pilose, with lew 

 ascending hairs. Pappus whitish, uniseriate. 



Nile Iiand. Abyssinia, Q. Dillon and Petit ! Sch-'mjjcr.' 



NoTK.- In herb. Cos.son. (Schultz Bip.) is a fragment, not sufficieni fordeKoripiicn, 

 allied to this under the name of Boriauiu mcguccijhaJo, 8chiiltz Bip. It is Kotschv's 

 Hb. ^:thiop. No. 428. 



8. Xi. oblong'a, 0. 8f II. Shrubby. Branches subterete, continu- 

 ously alate. Leaves alternate, oblong or elliptic-oblong, obtuse, mucro- 

 nate or apiculate, denticulate, scabrid on both surfaces, with prominent 

 venation beneath, decurrent with rather broad entire wings, H in. long, 

 ^ in. broad. Capitula broadly campanulate, at length hemi"spherical, 

 I-l^ in. diam., subsessile, solitary or 2-3 together, terminating short 

 lateral alate branchlets. Scales of involucre multiseriate, puberulous ; 

 inner linear, acuminate ; outer much shorter, linear-lanceolate, acute 

 with recurved tips. Receptacle naked, ^— ^ in. diam. Ray-florets 

 filiform; mouth minutely dentate. Disk-florets .... Achenes 

 pilose, with erect hairs. 



Jaoxrer Guinea. Congo, Chr. Smith 



9. Xi. brevlpes, 0. ^ H. A stout, erect, branched, glandular- 

 pubescent, tawny or ferruginous herb, 2-3 ft. high or more. Branches 

 striate, narrowly winged. Leaves alternate, narrowly elliptical oi- 

 oval-oblong, obvusely pointed, somewhat narrowed at the base, denti- 

 culate, veined, sessile or with winged petiole, decurrent, ranging up 

 to 5 in. long by 1 in. wide. Capitula widely campanulate, many-flow- 

 ered, §-J in. wide, subsessile or on very short axillary peduncles, in 

 lateral and axillary spikes arranged in a pyramidal or elongate panicle. 

 Scales of involucre multiseriate, much imbricated, acute ; inner linear, 

 glabrous ; intermediate linear-lanceolate, glandular-tomentose ; outer 

 lanceolate, plane, herbaceous, tomentoseon both sides, loosely appressed. 

 Ray-florets filiform ; mouth 3-4-dentate. Anther-base unequally bi- 

 dentate or adnate, obtuse. Achenes thinly pilose. Pappus white. 



Jtovrer Guinea. Congo, Burton ! Chr. Smith ! 



Mozamb. Bistr. Zambesia, near Soche Hill, alt. 3,000 ft., Dr. Kirk ! 



28. PLUCHEA, Cass. ; Benth. et Hook. f. Gen. PI. ii. p. 290. 



Capitula heterogamous, many-flowered, disciform ; outer florets 

 filiform, oo-seriate, $ ; disk-florets tubular, hermaphrodite or sterile. 

 Involucre ovoid, campanulate or hemispherical, scales pauci- or multi- 

 seriate, imbricate ; outer ovate or ovate-lanceolate, usually firm or 

 coriaceous, appressed. Receptacle naked. Corolla of $ florets 

 filiform ; ligule ; mouth toothed ; of inner florets tubular ; mouth 

 3-iid. Anther-base tailed, tails cohering in pairs. Style-branches 

 linear, subulate, papillose. Achenes not at all or slightly comj)ressed, 

 4r-7-gonous. P;viptis ] -seriate, setaceous. — Shrubs or undershrubs or 

 perennial herbs, puberulous pubescent or tonuntose, sometimes glandu- 

 lar-viscid. Leaves alternate, entire denticulate or pinnatifid. Capitula 



