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Colocasia (Supplement)

The five species of this genus are indigenous to tropical America, one being cultivated in all warm regions. To those described on pp. 362-3, Vol. I., the following should now be added:

C. Devansayana (Devansaye's). l. ample, erect, peltate, ovate, acute, cordate-sagittate at base, highly glabrous, green, the sinus large, triangular; primary veins three or four on both sides, produced on the lower surface, brown; petioles elongated, terete, sheathing at base, coppery-brown. Caudex short and thick. New Guinea, 1886. (I. H. 1886, 601.)