STRUCTURE. 63 
is very analogous to such a genus of Erysiphei as Microspheria. 
In Chetomium, the perithecia bristle with rigid, dark-coloured 
hairs, and the sporidia are coloured. Our limits, however, will 
not permit of further elucidation of the complex and varied 
structure to be found amongst fungi.* 
* Other works besides those already cited, which may be consulted with 
advantage on structure, are— 
Tulasne, L R. and C., various articles in ‘‘ Annales des Sciences Naturellis,” 
série iii. and iv. ; 
Hoffmann, ‘‘Icones Analyticee Fungorum.” 
De Bary, *‘ Der Ascomyceten.” Leipzic, 1863. 
Berkeley, M. J., ‘‘ Introduction to Cryptogamic Botany.” 
Seynes, J. de, ‘‘ Recherches, &c., des Fistulines.” Paris, 1874, 
Winter, G., ‘‘ Die Deutschen Sordarien.” 1874, 
Gorda, J., ‘‘ Prachtflora.” Prague, 1840, 
De Bary, ‘‘ Uber der Brandpilze.” 1853. 
Brefeld, O., ‘‘ Botan. Untersuch. ii Schimmelpilze,” 
Fresenius, G., ‘ Beitiige zur Mykologie.” 1850. 
Von Tiegkem and Le Monnier, in ‘‘ Annales des Sciences Naturelles” (1873), 
. 835. 
f Cornu, M., ‘‘Sur les Saprolegniées,” in ‘¢ Ann. des Sci. Nat.” 5€ sér. xv. 
p. 5. 
Janezenski, ‘‘Sur T’Ascobolus furfuraceus,” in ‘‘ Ann, des Sci. Nat.” 5me 
sér. xv. p. 200. : 
De Bary and Woronin, ‘‘Beitrige zur Morphologie und Physiologie der Pilze.” 
1870. 
Bonorden, H. F., ‘‘Abhandlungen ans dem Gebiete der Mykologie.” 1864. 
Coemans, E., *‘ Spicilége Mycologique.” 1862, ete 
