Colocasia. | CL. AROIDEZ (BROWN). 165 
Spathe 6-17 in. long ; tube ovoid-oblong, green ; limb narrowly lanceo- 
late, 2-5 times as long as the tube, convolute to an acute point at the 
apex apricot-yellow. Spadix shorter than the spathe; female part 
{-2 in. long, cylindric, tapering towards the top ; male part, including 
the portion covered with barren organs (staminodes) at its base, 2—4 in. 
long, cylindric, constricted at the base ; appendix variable irrespective 
of the rest of the spadix, 1-24 in. long, more slender than the male 
part, terete, tapering to an acute point, buff-coloured. Ovaries mixed 
with neuter organs (abortive ovaries), obovoid ; stigma sessile, discoid. 
Anthers buff-coloured.—Synop. Aroid. 40, Gen, Aroid. t. 37, and 
Prod. Aroid. 138; Kunth, Enum. iii. 37; Thomson in Speke, Nile, 
Append. 651; Engl. in DC. Monogr. Phan. ii. 491, in Pflanzenw. 
Ost-Afr. B. 131, C. 132, and in Mitth. Deutsch. Schutzgeb. ii. (1889), 
150; Hook. f. Fl. Brit. Ind. vi. 523, and in Bot. Mag. t. 7364; 
Schweinf. in Bull, Herb. Boiss. ii. Append. ii. 52, 105; Henriques in 
Bolet. Soc. Brot. xiii. 134; Dewévre in Comptes-rendus Soe. bot. 
Belg. xxxiii. 107; Rendle in Cat. Afr. Pl. Welw. ii. 88; Durand & 
Schinz, Consp. Fl. Afr. v. 478. Colocasia sp., Hook. Niger FI. 527. 
Caladium esculentum, Schumach, & Thonn. Beskr. Guin. Pi. 408. 
Upper Guinea. Cape Verd Islands ; St. Antao, Lowe! Cape Verde, Cardoso 
(ex Henriques). Sierra Leone, cultivated, Don! Guinea, Thonning. Cameroons : 
Barombi, Preuss, 300! 
Nile Land. Eritrea: near the Otal water place, on the northern slope of the 
Highlands of Dembelas, Schweinfurth, 121, and near Filfil, Schweinfurth, 122 (ex 
Schweinfurth). Abyssinia, Kordofan, Sennar, and Uganda (ex Durand & Schinz), 
British East Africa : Uganda and Unyoro (ex Speke & Grant); Rabai Hills, near 
Mombasa, Taylor! 
Lower Guinea. Angola: Golungo Alto: in shady woods by the sides of 
streams in the Sierra de Alto Queta, rarely flowering, Welwitsch, 220! in woods 
between Sange and Menha Lula, Welwitsch, 220/2. Cazengo ; in lofty shady places 
on the Sierra de Muchaula, Welwitsch, 220/83! Pungo Andongo; in woods by 
streams in Mata de Pungo, on the Presidium, Welwitsch, 221. : 
Mozamb. Dist. British Central Africa : Nyasaland; Blantyre, Descamps (ex 
Dewevre), 
Introduced. A native of Tropical Asia and the Malay Archipelago. 
9. CALADIUM, Vent.; Benth. et Hook. f. Gen. Pl. ii. 976. 
Spathe convolute below ; constricted at the base of the boat-shaped 
limb; tube persistent and eventually rupturing in fruit; limb 
deciduous, Spadix shorter than the spathe, free, monecious, without 
an appendix ; female part contiguous with the barren basal part of the 
male inflorescence. Perianth none. Female flowers numerous ; ovaries 
all slightly connected just below the apex, 2- (rarely 3-4-) celled ; 
stigma sessile; ovules numerous, axile, anatropous. Male flowers : 
Anthers 3—5, connate into a sessile angular truncate body, the cells not 
reaching to the top, opening by terminal pores. Berries enclosed in 
the tube of the spathe, obovoid or pear-shaped, 2—3-celled, many- 
Seeded. Seeds ovoid, small; testa thick; albumen copious; embryo- 
