LICHEN GENUS PYRENULA FROM INDIA .2. PYRE NULA-CAMPTOSPORA SPORE TYPE.3. PYRENULA-PINGUIS SPORE TYPE

This paper provides detailed descriptions of three species of Pyrenula from India, of which P. subcamptospora Upreti is described as a new s pecies, and P. pinguis Fee and P. oculifera Vainio are new records for the Indian lichen flora. The Pyrenula camptospora-type of spores are 4-chambered and bean-shaped. The middle spore chambers are subglobose, and the apical ones are very small and elongated longitudinally or ro unded (Pl. I, fig. 7 ; Pl. II, fig. 11, 12). The Pyrenula pinguis type of spores are 4-chambered and oblong-ellipsoid. All the four spore ch ambers are elongated longitudinally and apices are thick walled (Pl. I , fig. 8.9 ; Pl. II, 15, 16).