23 
Distrib. France, Germany, Austria, Italy, Sweden, North 
Matton: 
C. Prunorum Sacc. & Syd. in Annal. Myco]. 1904, ii. 191. 
Mycoth. Germ. no. 136!; Syll. xviii. 297. Died. p. 355. 
C! rubescens Kalch. in Bot. Zeit. 1864, p. 174 (non Fr., que 
C. leucostoma saltem p.p.) 
Stromata loosely gregarious, conico-truncate, 1-1-5 mm. 
marked with a black pore, then becoming blackish; ae of 
walls indistinct; no conceptacle. Spores 6-8 x 1-5-2 p, issuing 
in deep-red tendrils ; ; spore-mass distinctly pinkish ; iBoropNones 
rod-like, crowded, simple or forked, 22-26 x 1-5 
n branches of various species of Prunus (including Amyg- 
dalus, etc.). Not uncommon. Winter and spring. The pycnidial 
stage of Hutypella Prunastri Sacc. 
Differs from C. rubescens Tul., with which it was formerly 
confused, in the longer spores. A form of it has been proved by 
Frank and by Rostrup to cause the death of Cherry trees.. 
. Verh. Nat. Ver. Hamb. 1905, p. 66, and also C. cerasicola 
ce. 
Distrib. Europe, North America. 
ce. rhodophila Sacc. Syll. iii. 253. Allesch. vi. 599. Died. 
Seated minute, conico-truncate, with a few spurious 
Spores 5-7 X 1;  sporophores very slender, rather short 
(10-12 »), usually simple, bearing the spores only at the apex.” 
On dry branches of Rosa canina. The pycnidial stage of 
Valsa rhodophila Nits. (n.v.) 
_ Distrib. Holland, Germany. . 
C. rhoina Fr. Syst. Myc. ii. 546. Sace. Syll. iii. 257. - Allesch. 
vi. 598. 
Stromata scattered, round, 250-500 yw diam., convex, bullate, 
long covered by the bark, at. length bursting it by a slit which 
afterwards becomes round and wider; contents pallid, then 
blackish. Spores about 5 pw long, rarely issuing in pallid tendrils. 
On branches of Rhus glabra, R. radicans, Kew Gardens, 
May-—Aug. Specimens doubtful. 
Forming globose, rather solid tubercles, like a soft sclerotium, 
with indistinct loculi. Cf. C. marchica Syd. in Hedwig. 1900, 
p. (3); Sace. Syll. xvi. 902. 
Distrib. Germany, Hungary, Sweden, North America. 
~C. Rosarum Grev. in Bail, Syst. Pilz. # 81, pl. 14: Sace. 
Syll. ii. 253. Allesch. vi. 600. Died. 
- Stromata more or less gregarious, Lenge p diam., covered, 
at last erumpent, conical on a circular base, locellate within and 
nearly black, surrounded by the epidermis ‘which is occasionally 
reddened or ‘discoloured, loculi rather few, more or less grouped 
