78 
NEW AND RARE BRITISH FUNGI. 
liquely uniseriate, curved, hyaline or pale yellowish, consisting of 
two elongato-subfusiform nucleate bodies, connected by a long, 
narrowly contracted isthmus, which is at length divided in the 
middle by a septum, 70 mill, long by 7-8 wide. 
Fries Elenchus ii., p. 95. Oudem. Bydrage voor van Flora 
Nederland. Nederlandsch Bot. Ver., 18th May. 1871, p. 30, t. v., 
f. 9. 
Rev. Dr. Keith. Forres. On holly twigs. 
287. Fenestella bipapillata (TuZ.), Sacc. Valsa bipapillata, Tul. 
Carp, ii., 206. Sacc. Syll.p. 327. 
Perithecia globose, minute black, very smooth, immersed in the 
hark in valsoid clusters of from 5 to 8, very slightly, or not at all 
rostrate, collapsing when dry; asci cylindrical, 180-200 by 16-18, 
very obtuse, slightly attenuated below, octosporous with very long 
paraphyses, sporidia uniseriate, ovate, lanceolate, with a pallid 
papilla at both ends, 32-40 x 15-18, triseptate muriform. 
On beech. Rev. Dr. Keith. Sp. 30 x 15 ; asci 150-200 X 15-18. 
288. Ophiobolus vulgaris, Sacc. Mich. II., p. 953. Sijll. ii., p. 338. 
Rhapidophora vulgaris, Sacc. Mich. u.,p 67. 
Perithecia not seated upon discoloured spots of the matrix, 
innate, then erumpent, globose, conical, mill, in diameter ; asci 
cylindrical, 90-120 x 6-8 mill., subsessile without paraphyses, 
octosporous ; sporidia filiform, 80-100 x 1-1^, uniform in diameter, 
multinucleate pale yellow. 
On dead potato stalks. Stirling, N.B. Mr. A. Croall. 
This differs from O. porphyrogonus (Tode), ( Sphaeria rubella , 
Pers.) in the smaller size of its fruit, and in the mycelium not pro- 
ducing purple or red discolouration of the matrix. 
289. Eleutheromyces longispora, N. sp. 
Perithecia crowded, superficial, elongated, whitish-yellow, 450 to 
500 mill, high by 200 mill, wide at the base ; ostiola acutely 
pointed; asci clavato-elongate or subfusiform, 130-150 x 20-25, 
usually tetrasporous ; sporidia hyaline, elongate fusiform, acute, 
uniseptate, with terminal cilia at both extremities, 50-60 x 5-8 mill. 
On the remains of some Myxogaster. Holt House Woods, 
King’s Lynn. 4th Sept., 1882. 
The acute ostiola are composed of a number of converging narrow 
straight cells placed side by side. 
290. Nectria fibricola, Plow. Sacc. Mich, ir., p. 152. 
Perithecia scattered, globoso-conoid, pale, yellowish -red, 200 
mill, wide 400 mill, high, ostiola obtusely conical, walls of peri- 
thecia thin, and parenchymatous ; asci clavate, 90 X 20-25, octo- 
sporous : sporidia, biseriate oblong, 20 x 8-8^, uniseptate, slightly 
constricted, obtuse at both ends, 4 nucleate, hyaline, abnormally 
triseptate. 
On rotting string. King’s Lynn. 1881. 
291. Nectria dacrymycella {Nyl.), Karst. 
Perithecia, when young, immersed, afterwards naked, hemi- 
spherical, prominent, apex slightly depressed, subtremelloid, 
