757 



Xanthosoma sagittifolium, Schott, the " Yautia " of Porto 

 Rico, the '' Tania " or " Tannier " of the West Indies is also 

 cultivated in tlie same way and for the same purposes as th& 

 above species, in Tropical America, West Indies &c., but the 

 writer has no record of its cultivation in Nigeria. 



It is, however, advisable to mention this plant here as in 

 vieAV of the confusion that appears to exist more or less widely 

 in *' Tannias " and " Eddoes," the literature has become consider- 

 ably involved, Colocasia has a peltate leaf and Xanthosoma a- 

 sagittate leaf. X. Mafajfa^ Schott, is stated to be cultivated on. 

 a small scale in Nigeria, the Congo, Dahomey, Liberia and French 

 Guinea, and on a large scale on the Gold Coast and Ivory Coast 

 (Chevalier, Bull. Soc. Nat. d'AccL 1912, p. 345). 



Bef. — " The Tania, Colocasia escuUnta,^^ in Trop. Agric. 

 Nicholls, pp. 290-293 (Macmillan & Co., London, " 1892). 

 ^* Tania: The Oldest Crop," Barrett, in Bull. Dept. Agric. 

 Jamaica, iv. 1906, pp. 180-182: extract "What are Tannias,'*" 



in Queensland Agric. Journ. ^xvii. Nov. 1906, p. 259. "Fecule 



de Colocasia Antiquorum^^ in Etude de Quelques Fecules Coloniales^ 

 Planchon & Juillet, in Ann. Mus. Col. Marseille, vii. 1909, pp. 



524-526. Promising Root Crops for the South ; Yautias, 



Taros and Dasheens, Barrett, U.S. Dept. Agric. Bur. PL Industry,. 

 Bull, No. 164, 1910, pp. 1-29. — -Agricultural History and 

 Utility of the Cultivated Aroids, Cook, I.e. pp. 31-37, illustrated. 

 — — ** Notes on the PolKnation of Colocasia AntiquorumJ^ Cleg- 

 horn, in Journ. & Proc. Asiatic Soc. Bengal, ix. Aug. & Sept., 



1913, pp. 313-315,- The Dasheen : A Root Crop for the 



South, Young, U.S. Dept. Agric. Bur. PI, Industry, Circ. issued 

 Dec. 5th, 1914. " Tanias or Dasheens," Harrison, in Queens- 

 land Agric, Journ. ii. July 1914, pp. 10-12, illustrated. 



*'The Dasheen: Its Uses and Culture," Young, in Yearbook, 

 Dept. Agric. United States, 1916, pp. 199-208, illustrated; 

 reproduced in Bull. Dept. of Agric. Trinidad, 1918, part 1, 

 pp. 29-39. — ' — '* The Uses of Dasheens, Tamiias and Eddoes/^ 

 Agric. News, Barbados, xvi. Dec. 15th, 1917, p. 398. — — " Yautia 

 and Gabi Tests," Abadilla, in The Philippine Agric. and Forester^ 

 Nov. 1917, pp. 45-54; abstract in Agric. News, Barbados, 



xvii. March 23rd, 1918, p. 87. " Some Root-Croi^s (Araceae)," 



Trop. Agric. xlviii. May 1917, pp. 331-333; "Dasheens," 



** Gabis " and " Yautias." " Forcing and Blanching of Dasheen 



Shoots," Agric. News, Barbados, xvii. April 20th, 1918, p. 12U 



Caladium, Vent. 



Caladium bicolor. Vent.; Fl. Trop. Afr. ^^11. p. 166. 



III. — Jacq. Hort. Schoenbr. ii. t. 186 {Arum bicolor) ; Ventenat, 

 Descr. PI. Nouv. Jardin de Cels, t. 30 ; Bot. Blag. t. 820 {Arum 

 bicolor); Lodd. Bot. Cab. t. 25.5; Hooker, Exotic Flora, i. t. 26; 

 Bot. Mag. t. 2543 ; Brapiez, Herb. Amat. de Fleurs, iv. t. 297 ; 

 Fl. des Serres, tt. 1346-47 {C. Chantinii), tt. 1348-49 (C. Neu- 



