94 
NEW BRITISH FUNGI. 
Fhoma collagens, Cooke. 
Epiphyllous. Perithecia scattered over brown spots of dead 
tissue on living leaves, orbicular, shining, rugose, soon depressed, 
sub-superficial mm. diam.). Sporules elliptical, continuous, 
hyaline, enucleate (015-'018 x '005 mm.), sporophores not dis- 
tinguished. 
On living leaves of Prunus lusitanica. Kew. 
Fhoma Lycopersici, Cooice (Phoma herbarum, Cooke Fungi Britt. II., 415). 
Caulicolous. Perithecia punctiform, black, densely gregarious, 
at first covered by the cuticle, ultimately more or less exposed. 
Sporules lanceolate, binucleate (*012 X *004 mm.). 
On stems of tomato. Forden. (Rev. J. E. Vize.). 
Fhoma dipsaci, Cooke. 
Caulicolous. Perithecia gregarious but not crowded, subglobose, 
papillate, elevating and at length piercing the cuticle. Sporules 
sublanceolate obtuse, binucleate ('OOO-'Ol x '0035 mm.). 
On stems of Dipsacus sylvestris. Kew, March. 
Fhoma polemonii, Cooke. 
Caulicolous. Perithecia gregarious, globoso-depressed, black, 
shining, with a distinct acute ostiolum, soon becoming naked by 
the falling away of the thin cuticle. Sporules narrowly elliptical, 
not distinctly nucleate (-01 x '003 mm.). 
On stems of Polemonium coeruleum. Kew, March. 
Fhoma alcearum, Cooke. 
Caulicolous. Perithecia very numerous, densely gregarious in 
extensive patches, punctiform, membranaceous, fuscous, becoming 
darker with age, depressed, covered by the cuticle. Sporules ellip- 
tical, obtuse, enucleate, hyaline (*015 x *005 mm.). 
On stems of Althea rosea. Kew. 
Habit resembling P. nebulosa. 
Fhoma caryophylli, Cooke. 
Perithecia rather large, convex, black, shining, seated on indefi- 
nite bleached spots. Sporules fusiform, somewhat obtuse at the 
extremities, scarcely distinctly nucleate, hyaline (*009 x '003 mm.). 
On calyces, and sometimes the flower stems, of cultivated pinks 
and carnations. Shrewsbury. (Rev. W. Leighton.) 
Fhoma Calystegiae, Cooke. 
Caulicolous, gregarious. Perithecia prominent, rather large 
comparatively, subglobose, elevating the blackened cuticle, some- 
times seated on irregular bleached spots. Sporules sublanceolate, 
narrowed towards each extremity, binucleate, hyaline (-0075-'008 
x *0035 mm.). 
On dead stems of Calystegia sepium. Kew, Highgate, Dartford. 
Fhoma Lysimachiae, Cooke. 
Caulicolous. Loosely gregarious, punctiform. Perithecia black, 
slightly elevating the blackened cuticle, minute, subglobose. 
Sporules broadly lanceolate, binucleate ('01 x '0045-'005 mm.), on 
short straight sporophores. 
On stems of Lysimachia vulgaris. Kew. 
