TAXONOMY OF THE PILOBOLTDAE 



217 



1 . Pilaira anomala (Ces.) Schroter, Pilze, in Cohn's Kryptogamen- 

 Flora von Schlesien, vol. iii, p. 211 (1889). Sacc. Syll. vii. 188. 



Piloholus anom/ilus Cesati, in Klotzsch, Herh. viv. mycol., no. 1542 

 (1851). Brefeld, Botan. Untersuch. part 4, pp. 60-5, pi. 4, f . 18, 23-28. 



Ascophora Cesatii Coemans, Monoyraphie, p. 63, pi. 2, f. E (1861). 



Piloholus Mucedo Brefeld, 

 Botan. Untersuch. part 1, 

 p. 27, pi. l,f. 25, 26 (1872). 



Pilaira Cesatii vanTiegh. 

 in Ann. Sci. Nat. ser. 6, 

 vol. i, p. 52, pi. 1, f. 14-24 

 (1875). Bainier, Etude, 

 pp. 29-32, pi. 1, f. 16-18. 

 Grove, in Journ. Bot., 

 vol. xxii, p. 132, pi. 245, 

 f. 6 ; Pilobolidae, p. 337, 

 pi. 6, f. 7, 8. 



Sporangiophore cylindrical, 

 colourles.s, at first erect, 1-2 cm. 

 high, then growing to a height 

 of 9-12 (or even 20) cm., at 

 length shrivelling and falUng 

 down on the substratum. 

 Sporangium at first yellow, 

 black when mature, more or 

 less globular, 120-250 [i diam., 

 then hemispherical with a 

 small granular apophysis be- 

 low ; columella colourless, 

 hemispherical, but somewhat 

 depressed ; spores ovoid, 

 nearly colourless (but yellow- 

 ish in mass), 8-12 x 6-7 y.. 



Zygo.spores black, globose 



Fig. 107. — PiUiira anomala (Ces.) Schroter. 

 A, three fruit -bodies, collapsing. B, 

 longitudinal optical .section of a spor- 

 angium. C, upper and lower part of a 

 fruit-body, after the dehiscence of the 

 sporangium ; m, protruding mucilage. 



D, sporangium in air, before dehiscence. 



E, coliunella, seen from below, after the 

 fall of the sporangium. F, a similar 

 columella, in lateral view ; there are 

 crystalloids in both the stipe and 

 columella. G, spores. H, I, and J, 

 three successive stages in the formation 

 of a zygospore. Copied by A. H. R. 

 Buller from van Tieghem's Xouvelles 

 Recherches. Magnification : A, natural 

 size ; B-F, 90 ; G, 380 ; H-J, 200. 



or ovoid, up to 115 a diam., 



epispore covered with numerous minute papiUae (Brefeld. I.e. part 4, 



f. 26-28). 



On dung of sheep, goats, gazelles, hares, rabbits, goose, pig. ass, 

 and horse. Europe, U.S.A. (Pennsylvania). Rather uncommon. 



