24° 
round the circumference or sometimes there is only one chamber 
lobed round the margin; walls of loculi thick and brown; no 
conceptacle; disc small, greyish, marked with 1-4 shining black 
bullate ostioles. Spores 4-5 x 1-1:25; spore-mass nearly 
colourless; sporophores pale somewhat curved, crowded, or 
fasciculate at base, 15-20 x 
On branches of Rosa canina,? R. tomentosa. Scarborough 
(Massee) ; Cheshire (Ellis); Ayrshire (Boyd); Hereford. Autumn 
and spring. Said to be the pyenidial stage of Valsa a 
De Not. = V. ceratophora, var. Rosarum Sacc. Syll. i. 
Distrib. France, Germany, Italy, Austria, Boland. "United 
States of America. 
. Tubescens Tul. Fung. Carp. ii. 187. Died. p. 352. [Fr- 
Syst. Myc. ii. 542. Cooke, Handb. pp. 462, 821. Berk. Engl. — 
Flor. v. 281. Saec. Syll. iii. 253. Allesch. vi. 588. All p.p.] 
_ Stromata not crowded, bullate or subdepressed, covered, 
1-2 mm. broad; disc erumpent, most often transversely, flattish, 
dingy, then blackish; loculi numerous, circinating. Spores 
3:5-4 x 1 w, issuing in deep-red tendrils : spore-mass distinctly 
pinkish under the microscope; 2 rod-like, usually 
straight, 15-24 x 1-1-5 
Abundant on bark of Sorbus ‘Wioiparia; also on species of 
Pyrus. Winter and spring. The pyenidial stage of Patypella 
Sorbi Sace. 
Often confused with C. leucostoma or with C. Prunorum, 
which also have reddish tendrils. The so-called spermogoniak 
stage of ‘‘ E. Prunastri ”’ on Apple (Board Agric. Leaflet, no. 87, 
Ist ed.) is this species. 
Distrib. Europe, Siberia, North America. 
C. Salicis Rabenh. Deutsch. Kr. Flor. Fung. no. 1340 (1844). 
Sace. Syll. iii. 261. Allesch. vi. 603. Died. p. 361. Naemospora. 
Salicis Cord. Ic. iii. 26, pl. 4, f. 70, p-p. 
Stromata loosely gregarious, convex, blackish, mostly 400— 
500 » diam., but sometimes larger, covered by the rarely dis- 
coloured epidermis, then erumpent; disc greyish, emergent, 
pierced by one or more ostioles; loculi confluent, forming a. 
star-shaped or labyrinthiform pallid or grey mass. Spores 
4-6 < 1-1-25 yp, issuing in a pallid tendril; sporophores densely 
crowded, rod-like or subulate, sometimes slightly branched 
20-25 x lp. 
On dead twigs of Salix (S. alba, fragilis, pentandra, purpurea, 
viminalis, vitellina, etc.) Very common, England, Wales, 
Scotland, ee Dec.—Aug. The pycnidial stage of Valse 
salicina 
Sar pre longer, 7-8 » or even more; periderm 
often shining where discoloured round the disc, which pierces it 
without tearing it. This species is smaller than C. fugax, which 
has almost no stroma and has more distinct and well-formed 
