TAXONOMY OF THE PILOBOLIDAE 



219 



like the apophysis of a moss-capsule (Funaria). Spores ellipsoid, 

 almost colourless, 12-14 x 5-6 [x. 



On dog's dung. England (Worcestershire) ; found only once, 

 March and April. Distinguished from Pilaira anomala not only by 

 its much smaller size, but also by its peculiar apophysis, which is 

 almost as large as the sporangium, but slightly less in diameter, and 

 not granular. It was growing luxuriantly on a rich substratum. 



Illustration : Fig. 109. 



4. Pilaira Saccardiana Morini, first mentioned in Rendic. Sess. 



Fig. 110. — Pilaira Saccardiana Moriai. A, fruit-bodies, spor- 

 angiophores branched ; sporangia mature and now hanging 

 down. B, a branched sporangiopliore bearing two spor- 

 angia, one in side view and the other seen from above. 

 C, a sporangium after dehiscence ; g, swollen jelly. D, 

 optical longitudinal section of a sporangium, showing the 

 spores and the columella. E, the sporangium has gone ; 

 the columella remains and, about its base, can be seen a 

 gelatinous substance derived from the liquefaction of the 

 inferior zone of the sporangial membrane. F, spores. G, 

 part of a sporangiopliore whose sporangium had not yet 

 ripened ; in the protoplasm are numerous crystalloids 

 of mucorine. Copied by A. H. R. Duller from Morini's 

 Ricerche intorno ad una nuova forma di Pilaira. Magnifi- 

 cation : A, natural size ; B-G, not stated. 



R. Accad. Sci. 1st. Bologna, 1904, with plate, and then named 

 P. Saccardiana in Mem. R. Accad. Sci. 1st. Bologna, ser. 6, vol. iii, 

 p. 128 (1906). Sacc. Syll. xxi. 827. 



