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ADDITIONS AND CORRECTIONS. 



Page 11.— Add to habitats of Erysiphe commiinis— 

 Lupinus argentevs, Pmonia, Draba hirta, Vicia Americana, 

 Astragalus adsurgens, and A. hyfoglottis. 



Page 31.— Add to synonyms of Dimerosporium Collinsii — 

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

 Page 35. — After Dimerosporium anomalnm, insert — 

 D. balsamicolnm, (Pk.) 



Meliola balsamicola, 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 /i 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 balsamicola, Pk. 



Page 68. — After Acrospermum Raven^lii, insert — 



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



Perithecia 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 Hyp6crea melaleuca the habitat — 



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



Page 86. — After Hyp6crea cousimills, add the habitat — 



On Eucalyptus, California (Harkness). 



Page 122.— After Melanospora chrysomalla, insert— 



CLEISTOSOMA, Hark. 



BuU. Cal. Acad. Feb. 18S4, p. 41. 



Perithecia orbicular, membranaceous. Asci borne on branching 



