382 BULI.KI'l.N DK l'hKKBIKU BDISSIKK {'i'"« SKK.). 1907 



why Lester's mimbers hâve been quoled in so many instances where the 

 example was not laid in in Herb. Kew., as they exist only in the roiigh list 

 araong the Kew plant-list mss. The reason is that possibly Ihe other in- 

 stitutions referred to may hâve kept Iheir Lester's duplicates intact. The 

 few words of description given by DeCandolle refer to a Sinhalese spécimen. 

 The differential characters given below are based on an examination of 

 Boteler's unique example. The genus Vicoa was founded by Cassinialsoon 

 Sinhalese spécimens of Ihis plant. Though kept distinct from Inula in the 

 Prodromus, and by Bentham and Hooker, and in the Flora of British India, 

 the two gênera are uniled again by Engler and Prantl, and with good 

 reason. 



Syn. — Vicoa aiiriculata Cassini (1829); V. indica Gand. in Wight 

 Contrib. Bot. Ind. 10 (1834), non Prodr. Y. 474, Benth. & Hook. f. in Hook. 

 Niger FI. 432; Inula miriculata Wall., non Boiss. et Bal. — In FT A the 

 plant is referred to as from «Senegambia ». 



Caulis superne (pars ramosa anthelaria) fere aphyllus. Folia angusta 

 lineari-oblonga acuta basi evidenter auriculata. Flores discoidei, vel ligulis 

 discum haud excedentibus circumdati (ex specim. a Boleler lectum). 



282. Eclipta alba Hassk. — FTA. III. 373; Hook. Niger FI. 433. 

 Widely spread as a common weed from Senegal to Benin. 



283. Blainvillea Gayana Cassini (1827). — FTA. III. 375; 



(Perroltet). 



284. Blainvillea Prieureana Cand. — FTA. III. 376. Albreda 

 (Perrottet). 



285. Senecio Perrottetii Cand. — St. Mary's Island (Bowdich). 

 This is most probably the plant mentioned by Bowdich as « species glabra, 

 floribus pupurascentibus », as the phrase can scarcely apply to any other 

 species of Senecio known in West Tropical Africa. In FTA. III. 412, 

 S.strictus and S. Perrottetii are united under the latter name. If, however, 

 they are conspecific, which is very doubtful, S.stricttis is the earliername. 

 I hâve examined and compared Perrottet's authentic spécimens of both 

 plants in Herb. Kew. (ex herb. Gay) with the others under the sa me 

 names, — altogether four sheets of them within one species-cover 

 («S. Perrottetii »). In Döllinger's spécimen (n. 65) collecled, on 22 May 

 1823, in the environs of Richard-Tol on a damp gravelly soil, the leaves 

 are dentate, the lower ones hâve long pétioles, and the achenes are hairy- 

 scabrous, thus agreeing with De Candolle's description of S. strictiis. In 

 Roger's spécimens from Senegal, collected in May 1825 on light désert 

 soil, the lower leaves hâve no long pétioles, are cuneate-attenuate at the 

 base, and are deeply incised, and the achenes are glabrous and much 

 longer, thus agreeing with De Candolle's description of S. Perrottetii. 

 Roger has altached to his spécimen the name of « Senecio Etiopica », and 

 gives January as the time of flowering. No such geographical specific name 

 under the genus is to be found in Index Kewensis. Bowdich's spécimens 

 of Senecio in flower were gathered in December 1823. Both collatéral and 

 deductive évidence imply that S. strictns flowers somewhat la ter. Perrottet's 

 authentic spécimens of both plants match thèse two respectively ; and 

 circumstantially it may be concluded that Bowdich's spécimens belonged 

 lo S. Perrottetii rather than to -S. strictns. The sixth volume of the Pro- 



