40 THE LARCH CANKER 
same cushions as very young apothecia. They consist of 
a ramifying series of cavities nearly filled with hyphae 
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Fic. 18.—Dasyscypha calycina, reproductive organs: a, asci and 
paraphyses (x 430); a, ascus; p, paraphysis; B, spermogonia (x 430); c, 
spermogonia, showing escape of spermatia (x 430); D, spermatia (x 1,000). 
radiating towards the centre. These fine hyphae abstract 
from their apices numerous spermatia, small slightly elon- 
gated cells (about 1°5 X 1); which remain for a consider- 
