108 
NEW BRITISH FUNGI. 
On stems of Heracleum. Tunbridge Wells. (E. G. Baker.) 
Resembling P. complanata , but much smaller, and sporules very- 
minute. 
Fhoma tussilaginis, CJce. Sf Mass. 
Epiphyllous. Perithecia at first covered, then hemispherical, 
black, pierced at the apex, gregarious on brown irregular spots, 
minute, punctiform. Sporules elliptical, colourless, continuous, 
8-10x5-6 p. 
On fading leaves of Tussilago farfar. Canal Bank, Hereford. 
Sept., 1885. 
A most distinct and interesting species, not at all like the 
ordinary forms of Plioma , approaching Asteromella. 
Fhoma podophylli, Cooke. 
Epiphyllous. Perithecia rather scattered, black, punctiform, 
seated on dead brown spots of decaying leaves, convex, rather 
prominent. Sporules narrowly elliptic, with a nucleus at each 
extremity (10x3 p). 
On fading leaves of Podophyllum. Kew. 
Fhoma Ixidis, Cooke. 
Perithecia scattered, punctiform, covered by the cuticle, convex, 
black. Sporules narrowly elliptical, with or without nuclei, obtuse 
at the ends, on short basidia (7x2 /a). 
On leaves of Iris foetidissima. Somerton, Breinton, Kew. 
Dendxophoma phyllogena, Trail. Scot. Nat., 1887, p.87. 
On pale spots. Perithecia numerous, subdermal, black, ellipsoid, 
subpapillate basidia fasciculate (30-35 p long, 2 p thick at the 
base), hyaline, bearing alternate short branches, each tipped with a 
hyaline cylindrical conidium (8-12 x 1^-2 p). 
On holly leaves. Aberdeen. 
Coniothyrium hellebori, Cke. fy Mass. 
On both surfaces. Spots orbicular, sooty brown, marked con- 
centrically (J in. diam.). Perithecia small, collected chiefly in the 
centre, for some time covered, papillate. Sporules oval, pale 
brown (4-5 X 2-3 u). 
On fading leaves of Helleborus niger. Kew. 
Ascochyta microspora, Trail. Scot. Nat., 1887, p. 87. 
Epiphyllous, spots nearly circular, black or dark brown, thickly 
dotted with globular perithecia (70 p diam.), which appear pale 
brown under the microscope ; sporules uniseptate, subcylindrical, 
with rounded ends, straight or curved (5-7 X 1^-2 pf hyaline. ✓ 
On Arctium lappa. St. Cyrus. 
On Petasites (sporules 6-8 x 1J-2 p). Aberdeen. 
Ascochyta pximulee, Trail. Scot. Nat., 1887,^. 88. 
Epiphyllous, spots like those of Phyllosticta primulicola f Desm. 
Perithecia scattered over the spots, depressed, globose, pale brown 
(100-110 p diam.), papillate. Sporules uniseptate, hyaline, cylin- 
drical, obtuse (5-6 X 2-2| p). 
On Primula vulgaris. Dunottar. 
