Vernonia.'] Lxxiii. composite (Oliver and hiern). 297 



rounded, persistent, inner caducous, | in. long, oblong, acute, often 

 tipped with pale purple. Receptacle narrow. Achenes about 10-cos- 

 tate, setulose but not densely so, dark brown, sessile-glandular. 

 Pappus nearly white, sub-biseriate, barbellate, setiform ; outer shorter. 

 Vile &and. Abyssinia, Gondar, D'Hericourt ! 



78. V. myriantlia, Hook.f. inJourn. Linn. Soc. vii. p. 198. A tree 

 of 20 ft., with dark angular striate glabrate branches, pubescent to- 

 wards the extremities. Leaves alternate, membranous, narrowly ellip- 

 tical or oblong-lanceolate, acute or acuminate, narrowed into the 

 petiole, unequally serrulate, obsoletely puberulous beneath, at length 

 glabrate, varying to over 1 ft. in length and 3 in. in breadth ; petiole 

 1-2 in., dilated and clasping at the base. Capitula 4-5-flowered, shortly 

 pedicellate or sessile, in dense corymbose terminal and axillary panicles 

 ^-1 ft. broad. Involucral scales multiseriate, coriaceous, glabrous or 

 ciliolate, outer much smaller, ovate-rotundate ; inner oblong, obtuse, 

 with a dark apical spot, caducous. Receptacle narrow, glabrous. Co- 

 rolla gradually narrowed, glabrous. Anther-base obtuse ; apical con- 

 nective lanceolate, obtuse. Achenes 9-10-ribbed, scattered with 

 ascending pilose hairs, callus-based. Pappus sub-nniseriate, scabrid, 

 brittle ; setsB mostly equal with a few shorter ones, yellowish- tawny, 

 rigid. 



Vpper Guinea. Fernando Po, Clarence Peak, 4-5000 ft. alt., Mann ! Cameroon 

 Mountains, 3-7000 ft. alt., Mann ! flowers in December. 



EXCLUDED AND UNKNOWN SPECIES OF VEHNONIA. 



Vernonia cemua, Boj., which is Moqninia Bojeri, DC. Prodr. yii. p. 23, from the 

 island of Zanzibar, is unknown to us, and its proper position in the Natural Order 

 is uncertain. See Benth. et Hook.f. Gen. PI. ii. p. 490. 



Vernonia Rueppelii, Schultz. Bip. in Walp. Kep. ii. p. 946, from Abyssinia, has 

 the numerous few-flowered capitula of the section Strobocalyx, but the flowers are 

 said to be yellow ; it is unknown to us. 



Cyanopis Borianiana, Schultz. Bip. in Schweinf. et Aschers. Enum. p. 284, name 

 only, from Sennaar, is unknown to us. 



7. HERDERIA, Cass. ; Benth. et Hook. f. Gen. PI. ii. 232. 



Capitula homogamous, florets tubular. Involucre campanulate or 

 hemispherical, scales pauciseriate, imbricate, free, or inner confluent 

 •J-J their length. Receptacle naked. Corolla regular, 5.fid. Style- 

 branches subulate, minutely hairy. Achenes acutely or obscurely 3-5- 

 gonous, glabrous or hairy, apex truncate. Pappus of short ascending 

 or at' length stellate-patent scales, ciliate or pubescent, often with 1 or 

 more setae, exceeding the coroniform scales. — Diff'use decumbent leafy 

 annual herbs. Leaves alternate. Capitula small, solitary or loosely 

 cymose. 



Hitherto only found in North Tropical Africa, 

 Heads solitary, terminating the leafy branches. Inner involucral 



scales connate. Achenes angular, glabrous \. H. truncata. 



Heads loosely cymose. Involucral scales free, acute. Achenes 



pubescent 2. H. stellul\fera. 



