Canna achiras Gill. Scitamineae. Canna.

South Africa. This plant is said to furnish tubers used as food in Peru and Chile. It is one of the species cultivated in the West Indies for the manufacture of the arrowroot known as tous les mois according to Balfour.

Canna coccinea Mill. Indian Shot.

East Indies. This plant is said by Mueller and Balfour to yield the tous les mois of the West Indies.

Canna edulis Ker-Gawl.

American tropics. This plant is cultivated in the islands of St. Christopher, Trinidad and probably elsewhere. The tubers are said to be quite large and when rasped to a pulp furnish, by washing and straining, one of the classes of arrowroot known as tous les mois. It is one of the hardiest of arrowroot plants. It is the adeira or ackiras of Peru.

Canna glauca Linn.

Mexico and West Indies. This is one of the West Indian arrowroot cannas.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.