502 



Eu. Acharii, Tul. Sel. Carp. II, p. 53. 



Lichen Euty'pus, Achar. I.ich. Prodr, p. 14. 

 Spharia decomponens. Sow. Eng. Fungi, II, tab. 217. 

 Sphceria operculata, Pers. Syn. p. 80, (pr. p.) 

 Sphceria aslnidea and 5. Euiypa, Fr. S. M. II, p. 478. 

 I'alsa Eutvpa, Nits. Pyr. Germ. p. 131. 

 Exsicc. Rab. F. E. 1925.— Rehm Asc. i6g.— Plowr. Sph. Brit. 22. 



Stroma broadly effused, sunk in the wood which is blackened both 

 on the surface an(i within, at first clotlied with short, dark brown, 

 tliickly tufted, conidial hairs, finally bare, lusterless, black, roughened 

 by the numerous, slightly exserted, conical or obtuse, 2-5-cleft ostiola. 

 Perithecia monostichous, thickly ai:id mostly quite evenly scattered, 

 globose, small, deeply buried, with more or less elongated, slender 

 necks. Asci narrow-clavate! long-stipitato, 8-spored, p. sp. 20-30 x 

 4-5 (1. Sporidia biaeriate, allantoid, curved, brownish, 5-7 x 1-1 1 (i. 



On the bare wood and on the bark of various deciduous trees. 

 On poplar, New York State (Peck), on limbs of Pyrus and Carya, 

 New Jersey. Not as common as the preceding species, or at least, not 

 as abundant. 



Eu. elevaiis, (Schw.) 



sphceria elevans, Schw. Syn, N. Am, 1303. 



Covered by the loosened fibers of the wood, which are raised so 

 as to make the surface uneven over a considerable extent. Perithecia 

 covered by the black-pulverulent stroma, rather large (| mm.), de- 

 pressed-globose, subradiate-circinate, the stout, prominent ostiola burst- 

 ing out in small fascicles or singly, deeply qnadrisulcate, and render- 

 ing the wood rough to the touch. 



On denuded wood of Rhun glabra, Bethlehem, Pa. (Schw.). 



Sporidia allantoid, yellowish, moderately curved, 5-6 x IJ ft. 

 Measurements of perithecia and sporidia from specc. in Herb. Schw. 



** Ostiola not distinctly sulcate. 



En. heteracantha, Sacc. Mich. I, p. 504. (Plate 33) 



Valsa heteracantha, Sacc. Mycol. Ven, Spec. p. I2g, tab, XIV, figs. 35-42. 

 Valsa hylodes, E. & E. Journ. Mycol. II, p. 40. 

 l/alsa atomcEspoi-a, Cke. Grev. XI, p, log. 

 Euiypa eckinata, E. & E. Journ. Mycol. Ill, p, 43, 

 Exsicc. Thum. M. U. 1859. — Sacc. M. V. 1460, 1461, 1462. ^Roum. F. G. 1175, 3942. — Rab. 

 F. E. 2770.— Rav. F. Car. IV, No. 43 — Rav. F. Am. 660.— Ell. N. A. F. 690. 



Perithecia membranaceous, globose, |-| mm. diam., in clusters of 

 4-6, buried in the scarcely altered, fibrous substance of the inner bark, 

 their stout, cylindrical, roughish, black ostiola J mm. long, pierced, 

 with a small aperture at the smooth, rounded apex, bursting thi'ougli 



