ORDER LYCOPERDALES 



559 





ft- '"' V . ■ M\ 



1 r ■■ i ■ ■' ■ ■?ilJ 



B 



Fig. 188. Lycoperdales, Family Podaxaceae. Podaxis pistillaris (L. ex Pers.) Fr. 

 (A) Spore fruit, external view. (B) Somewhat diagrammatic longitudinal section of 

 spore fruit. (C) Basidium with sessile spores and single spore more highly magnified. 

 (D) Cluster of basidia on piece of capillitial thread. (After Fischer, in Engler und 

 Prantl: Die Naturlichen Pflanzenfamilien, Zweite Auflage, vol. 7a, Leipzig, W. 

 Engelmann.) 



meyenianus (Klotzsch) Lloyd, has been found in North and South 

 America and Austraha (Long and Stouffer, 1946). In this genus the por- 

 tion of the universal veil which forms the exoperidium is verrucose and 

 fragile and brittle, usually breaking very early and exposing the tough 

 endoperidium which at maturity produces a single apical mouth. The 

 large volva is conspicuous. The stout clavate stipe is 4 to 15 cm. tall, 

 tapering toward the base and becomes woody to corky. The sporocarp is 

 depressed globose up to 30 mm. wide. The gleba shows no signs of having 

 been cellular. Podaxis has a slender woody stipe, arising from a narrow 

 volva and bearing a more or less pyriform or rounded head. The central 



