PHYSIOLOGY AND MORPHOLOGY OF CALIFORNIA HEPATICZ 47 
13. Spores of Hossombronza longiseta sown in Knop’s solution 
and in impure distilled water germinated in the former within 
fourteen days and in the latter within twelve days after removal 
from the capsule. Spores sown on sterilized soil show no evi- 
dence of germination after sixty-two days. 
14. The spores of Fegatella conica, Aneura pinguis, Porella 
bolanderz’ and ftadula complanata were found incapable of 
withstanding prolonged desiccation. Germination occurs nor- 
mally within the capsule or very soon after dispersal. 
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