396 FUNGfUS-FLOEA. 



Oladosporium sphaeroideum, Cke. ; Sacc, Syll., iv. n. 1745. 

 On leaves of grasses. 



fll On Acotyledons. 



Oladosporium epibryum. C. & M. 



Tufts very minute, black ; hyphae simple, short, flexuous, 

 septate, olivaceous, paler iipwards ; conidia elliptical, rounded 

 at both ends, 1-septate, constricted at the septum, pale olive- 

 brown, hyaline, 18-20 X 10-12 /t. 



Oladosporium epibryum, Cke. & Mass., Grev., xvii. p. 76 ; 

 Sacc, Syll., x. no. 7509. 



In the capsules of mosses. The present species was first 

 found on mosses collected in the United States. 



Oladosporium algarum. C. & M. 



Effused in irregular dark olive patches; threads erect, 

 sparingly branched, septate, olive below, pale and atteniiated 

 above; conidia oblong, cylindrical, 1-3-septate, slightly 

 constricted, pale olive, 30-35 X 10 /*. 



Oladosporium algarum, Cke. & Mass., Grev., xvi. p. 80. 



On washed up fronds of Laminaria flexicaulis. 



FIGURES ILLUSTEATING THE DEMATIEAE. 



Fig. 1, Cladotriehum Coohei ; — Fig. 2, Oladosporium herharum ; — ^Fig. 3, 

 Fusicladium depressvm ; — Fig. 4, Fusariella atrovirent ; — Fig. 5, Spondylo- 

 eladium fumosvm ; — Fig. 6, Sporoohisma mirahile; — Fig. 7, Sporidesmium 

 lobatum ; —Fig. 8, Claaterosporium vermiculatum ; — Fig. 9, Heterosporium 

 typharimi s^-Fig. 10, Helminthosporivm fusiforme; — Fig. 10a, Helico- 

 sporivm Midleri; — Fig. 11, Triposporium elegans; — ^Fig. 12, Cerato- 

 sporimn digitatum ; — Fig. 13, DendrypMum griseum ; — Fig. 14, Coniothe- 

 cium vitieolum; — Fig. 15, Tetraploa arutata; — Fig. 1&, Braohysporiwm 

 dbovatum; — Fig. 17, Stemphylium asperosporum ; — Pig, 18, Septonema 

 irregiilare ; — Fig. 19, Napicladium arwndinaceum ; — Fig. 20, Dictyospo- 

 rivm elegans; — Fig. 21, Alternaria hrassicae; — Fig. 22. Acrothecium 

 simplex; — Fig. 28, Dactylosporium hrevipes ; — Fig. 24, Cercospora, re- 

 sedae ; — Fig. 25, Macrosporium nohile ; — Fig. 26, Septosporium huTbo- 

 trichum; — Fig. 27, Speira torulmdes; — ^Fig. 28, Stysanus stemonites ; — 

 Fig. 29, Mystrosporivm stemphylium; — Fig. 30, Harpographiwm grami- 

 num ; — Fig. 31, Isaria farinosa ; — Fig. 32, Fumago vagans ; — Fig. 33, 

 Atractium flammeum; — ^Fig. 34, Grapiothecium parasiticum. (All the 

 figures are highly magnified.) 



