3i6 



RESEARCHES ON FUNGI 



Boudier/ in his illustrations of M . crassipes, represents four asci 

 all of which are curved at their ends. The upper parts of two 



Fig. 156. — Photomicrograph of part of a transverse section through a pit (alveohis) 

 of Morchella conica, to show tlie asci heHotropically curved toward the pit's 

 mouth. The material was fixed, stained, and cut with a microtome. The 

 opposing walls of the pit are nearer together than they were before the inaterial 

 was fixed. The ends of the asci are curved through an angle of about 45°, so 

 that the spores, if the fruit-body had not been disturbed, would have been shot 

 away from the fruit-body without hitting any opposing hymenial wall. 

 Photographed by C. W. Lowe at Winnipeg. Highly magnified. 



of the asci (Fig. 159), one containing spores and the other after dis- 

 charge, enlarged 820 times, are both drawn with their ends curved 



1 E. Boudier, loc. cit., Tome II, Plate CXCIV, b, d, e. 



