CENANGIUM. 119 



** Growing on Gymnosperms. 



Cenangium abietis. Eehm, Erypt.-Flora, Disc, 

 p. 227 ; Sacc, Syll., viii. n. 2312. 



Oaespitose, erumpent, sessile but attached by a narrowed 

 base, at first nearly globose and closed, then turbinate, 

 finally expanding, but the margin remaining incurved, irre- 

 gular from lateral pressure, incurved and closed when dry, 

 coriaoeo-membranaceous, 2-4 mm. across ; disc yellowish or 

 olive-brown, externally wrinkled and at first covered with 

 a reddish brown powder; hypothecium and excipulum 

 tinged brown, formed of densely interwoven hyphae, which 

 pass into a very compact, dark brown parenchymatous 

 cortex of small thick-walled cells ; asci clavate, shortly 

 stipitate, 8-spored ; spores irregularly 2-seriate, or sometimes 

 almost 1-seriate, hyaline, smooth, continuous, elliptic-fusi- 

 form, 10-12 X 5-7 fj., often with granular contents ; para- 

 physes rather longer than the asci, slender, tip thickened 

 up to ■t-S fj., brownish. 



Peziza ahietis, Pers., Syn. Fung., p. 671 (1801). 



Cenangium ferruginosum. Pries, Vet. Akad. Handb., p. 361 

 (1818); Phil., Brit., Disc, p. 346. 



Spermogonia. Perithecia gregarious, erumpent, minute 

 substipitate, orbicular, plane or umbilicate, black, at first 

 closed then opening with a torn margin ; sporules ovate- 

 oblong, continuous, hyaline, 8x4/1. 



DotMcMza ferruginosa, Sacc, Syll., iii. 3557. 



On fallen branches of Scotch fir and other species of 

 Pinus. 



Distinguished from allied species by habitat and also by 

 the broad spores. 



Specimens examined from Cooke, Fung. Brit., ed. ii., n. 

 195 ; Eehm, Ascom. n. 678 ; Fries, Soler. Suec, n 292, aad 

 Holl, Schmidt, and Kunze, Deutschl. Schwamme, n. cl. 



Cenangium nectrioid.es. Mass. 

 Gregarious or oaespitose, erumpent, sessile, at first sub- 

 globose then plane, orbiculate, reddish-brown; disc at first 

 bright orange-red, becoming pale tan colour; asci cylin- 

 draceo-clavate ; spores 8, oblong-elliptic or oblong, rounded 

 at the ends, witli one or two large guttulae, straight or 



