Abstract

In a recent collection of rusts made by the writer near Mercara, Coorg, South India, a leaf rust on a species of Litsea (Lauraceae) was observed which on examination proved to be of great interest. The rust is folicolous and hypophyllous developing small hypertro- phied cushions from which numerous Cronartizun-like spore col- umns emerge. When these spore columns are grouped in close proximity they present the false appearance of tomentose outgrowths from the leaf surface. The material for microscopic study was fixed in formalin-acetic alcohol and microtome sections of 10 to 12 , thickness were cut and stained with Newton's iodine gentian violet.

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