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ADDITIONS AND CORRECTIONS. 



Page 11. Add to habitats of Erysiphe communis 



Lwpinus argenteits, Pmonia, Draba hirta, Vicia Americana, 

 Astragalus adsurgens, and A. hypoglottis. 



Page 31. Add to synonyms of Dimerosporium Collinsii 



Plowrightia phyllogena, Hark. Fungi of Pac. Coast, p. 106. 



Page 35. After Dimerosporium anomalum, insert 



D. balsamicolum, (Pk.) 



Meliola bahamicola, Pk. 34th Rep. p. 52, plate i, figs. 22-27. 



Peritliecia few, gregarious, minute, ovate or subconical, free, 

 black, seated on a small, blackish-brown, spot-like subiculum. Asci 

 generally oblong, rarely subcylindrical and elongated. Sporidia 

 mostly crowded or biseriate, rarely uniseriate, uniseptate, colorless, 

 9-11 jut long, generally 2-3-nucleate, and one cell a little narrower 

 than the other. 



On living or languishing leaves of balsam fir, Catskill Mts., N. Y. 

 (Peck). Associated with Peziza bahamicola, Pk. 



Page 68. After Acrospermum Ravenelii, insert 



A. album, Pk. Bull. N. Y. State Mus. No. 2 (1887), p. 24. 



* Peritliecia elongated, subfusiform, somewhat compressed, pointed 

 at the apex, narrowed below into a short, terete, stem-like base, white. 

 Sporidia very long, filiform. 



On dead stems of Aralia racemosa, Catskill Mts., N. Y. (Peck). 

 Resembles A. compressum in size, but persistently white. 



Page 83. Add to Hypocrea melaleuca the habitat 



On a decaying oak limb, Newfield, N. J. 



Page 86. After Hypocrea consimilis, add the habitat 



On Eucalyptus, California (Harkness). 



Page 122. After Melanospora chrysomalla, insert 



CLEIST0S0MA, Hark. 



Eull. Cal. Acad. Feb. 1884, p. 41. 



Perithecia orbicular, membranaceous. Asci borne on branching 



