155 
‘mm. high and 4 mm. across, the apex somewhat depressed, pierced 
ae i pore . asci cylindrical 4-spored, long-stalked 250-300 pu 
long ; paraphyses filiform numerous, often forked ; spores elongate- 
fusiform or elliptical, one-celled, colourless, 9-12 ux 3 m. : 
On rabbit’s dung. Hebden Bridge, Yorkshire, July 1899. Coll. 
Mr. J. Needham. Naturalist, Jan. 1900, p. 8. 
Coniothyrium Boydeanum A, L. Sm. Journ. Roy. Micros. Soc. 1900, 
p- 423, pl. 3, fig 3. 
Perithecia in small groups or scattered, developed on the inner 
bark and bursting the cuticle, somewhat lentiform 300 m x 200 p, 
parenchymatous, surrounded by a few loose hyphae, yellow-brown ; 
spores globose-ovate, usually about 12 u in diameter, but varying to 
15X10, colourless, then dark smoky-brown, smooth, with 
granular contents. 
On dead branches of Fuchsia, collected at Sea Mill, Ayrshire, by 
Mr. D. A. Boyd, Oct. 1899. 
Libertella blepharis A. L. Sm. loc. cit., pl. iii., fig. 4. 
Pustules of one or several cavities beneath the outer bark, the 
spores escaping by a wide opening, and forming a milk-white layer 
on the surrounding bark; sporophores erect, slender, branched, 
slightly stouter and of denser contents than the spores; spores fili- 
form, curved, sometimes strongly falcate 25-40 wx 1°5 pu. 
On dead branches of Prunus cerasus and Pyrus malus. Ayrshire, 
Oct. 1899. Mr. D. A. Boyd. 
_L. corticola A. L. Sm. loc. sit., p. 424, pl. ili., fig. 5. 
Pustules forming effused whitish spots under the outer bark, the 
spores escaping and forming a milk-white layer; spores straight or 
slightly bent, colourless 20-25 x1'5 u, borne on closely packed 
sporophores that line the irregular infolding tissue of the pustule. 
On dead branches of Pyrus communis. Ayrshire, Sept. 1899. 
Mr. D. A. Boyd. 
L. Ribis A. L. Sm. loc. cit., pl. iti: fig. 6. 
Forming lentiform, effused pustules under the outer bark, bursting 
the cuticle and the spores oozing out in a gelatinous pinkish mass ; 
spores much curved, sometimes forming a complete semi-circle, 
30-40 XI p, colourless. 
‘ On branches of Ribes rubrum. Ayrshire, Oct. 1899. Mr. D. A. 
oyd. 
L, sacs A. 1, sim, loc, cit. pl, il., lig. 7, 
Pustules formed in the cortex, convex or triangular in section, 
