iQ2o] WALKER— CYATHUS 21 



this paper with me and making suggestions, and for the determina- 

 tion of Cyathus fascicularis. 



University of Nebraska 



Lincoln, Neb. 



LITERATURE CITED • 



1. Brefeld, 0., Botanische Untersuchungen iiber Schimmelpilze. Bot. Mitt 

 liber Schimmelpilze 3:176-180. 1877. 



2. DeBary, A., Beitrage zur Morphologie und Physiologie der Pilze 



Leipzig. 1866. 



3 



•logy and biology 



and bacteria, pp. 319-322. 1887. 



4. Eidam, E., Keimung der Sporen und die Entdehung der Fruchtkorper 

 bie den Nidularien. Cohn's Beitr. Biol. 2:221-245. 1876-77. 



5. Fries, R. E., Om utveckligen of fruktkroppen och peridiolema Y 

 laria. Sartryck ur Swensk. Botanisk Tidskrift 4: part 2. 1910. 



6. Kneip, Hans, Beitrage zur Kenntnis der Hymenomyceten III. 



7:369-398. 1915- 



■ 



7. Mollaird, M., Le cycle de developpement du Crucibulum vidg 



Zeit. Bot. 



de quelques champignons superieurs obtenu en cultures pures. Bull. 



909 



8. Sachs, Jul., Morphologie d. Crucibulum vuJgare Tul. Bot. Zeit. 

 13:833-845,849-861. 1855. 



9. Tulasne, L. and C, Recherches sur Torgan d. Nidulariees. Ann. Sci. 

 Nat. Bot. III. 1:41-107. 1844. 



EXPLANATION OF PLATES I- VI 



Figs. 1-8 were made with a Century camera and Zeiss-Tessar lens. The 

 photomicrographs were made as follows: figs. 9-23, 34-43, 46, 49-59, 61, 62, 

 with a horizontal Zeiss camera; figs. 19, 20, 24-33, 44* 45, 47, 48, 60, 63, 64, 

 69, 70, with a Bausch and Lomb vertical camera and Zeiss lenses; and figs. 

 65-68 with a Bausch and Lomb vertical camera and Leitz lenses. 



PLATES l-lll 



Cyathus fascicularis 



Fig. 1. 

 Fig. 2. 

 Fig. 3. 



ood and loam; X§ 



, 



-Tube culture showing beginnings of strand formation; X|. 

 Fig. 4. — Basidiocarps developing between loam and sides of culture jar 

 hich no peridium formed on side next to glass; X§. 

 Fig. 6. — Basidiocarps shown in fig. 4; X2. 



