SPH^EIACEl. 883 



AscoPHORE. — Diaporthe piilla, Nke.Pyr. \.p. 249. Fchl. exs. 

 no. 957. 



On ivy stems. 



Staining the branches on which it grows of a bright shining black ; peri-. 

 thecia immersed, irregularly scattered, sometimes grouped, easily known by 

 its black appearance and hair-like ostiola ; sporidia ('0004-*0U05 in.) "01- 

 *0125 m.m. long. 



2648. Sphaezia inquilina. Fr. " Black patch Sphseria." 



Perithecia immersed, covered with the blackened epidermis, 

 latent, very thin, pallid; nucleus black ; ostiola punctiform, black, 

 prominent ; sporidia biseriate, colourless, subfusiform, constricted, 

 4-nucleate, — Fr. El. ii.p. 100. Fries, exs. no. 402. Eiig. Fl. v. p. 

 276. Cur7\ Linn. Trans, xxii. t. 58,/. 92. 



On stems of Umbelliferce. 



The perithecia frequently drop out, leaving a white hollow in the matrix, 

 closely resembling *S'. spiculosa. Sporidia (•0004-"0005 in.) ■01-'012o m.m. 



2649. Sphsezia Bezkeleyi. De^nu " Berkeley's sunken 



Sphseria." 



Perithecia minute, latent, immersed in the stem ; ostiola 

 conic -acuminate, punctiform ; asci minute, linear ; sporidia sub- 

 elliptic. — Desm. Ann. Sc. Nat, 1837, yiii. p. 358. /S. angelicoe, 

 Berk. exs. no. 88. Mag. Zool. ^' Bot. no. 28, t. 3,/. 7. 



On stems of Angelica sylvestris. Mar. King's Cliffe. 



Minute, invisible to the naked eye, except the stem is wet, then the ex- 

 tremely minute protruded tips of the ostiola are seen in single rows upon the 

 ribs. Perithecia black or brownish, immersed in the woody part of the stem, 

 globose, with an abrupt, conical, subobtuse mouth, pierced with a minute 

 orifice. Contents of the perithecia pink oozing out, and forming a little 

 halo round the ostiolum. Asci minute, linear, containing a few subelliptic 

 sporidia, accompanied by variously sized globules of an oily matter. 



2650. Sphsezia scirpicola. B.C. "Bulrush Sphceria." 



Scattered, minute, black; perithecia immersed, globose, neck 

 very short ; ostiolum naked, punctiform, subglobose ; sporidia 

 oblong, somewhat curyed, triseptate, with the articulations 

 slightly swollen. — i^r. /S'.il/. ii.^;. 511. Fries exs. no. IbO. Eng. 

 Fl. \.p. 21 D. B. ^ Br. Ann. N.H. no. 641*. 



On stems of Scirpus lacustris, Typha and Carex. Common. 



2p 2 



