328 Transactions British Mycological Society. 



1-2 cm. thick, whitish, at first short, cylindrical, longitudinally 

 ribbed, the single ribs sometimes extending for a very short 

 distance on the exterior of the ascophore, glabrous. Flesh white, 

 solid or lacimose. Asci cylindrical, attenuated and somewhat 

 flexuose at the base, 330-350 x i8-2i/.t, 8-spored, operculate, 

 not turning blue with iodine. Spores hyaline, broadly elliptical, 

 20-23 X ii-i3jii, with a large central gutta, accompanied by 

 several smaller guttae at either end, i-seriate. Paraphyses /m/z- 

 ginous, clavate or slightly thickened at the apex, 340-360 x 3)u,, 

 X 6-8ju, at the apex, simple or branched, septate. 



On garden soil, Woodcote, Weybridge, Surrey, 2nd May, 1920, 

 Mr A. A. Pearson. 



Easily distinguished from the other British species of Aceta- 

 bula by the distinct stem and revolute receptacle. 



Lachnea hemisphaerioides Mout. Mout., Compt. rend. Bull. 

 Soc. Roy. Bot. Belg. xxxvi, 2nd fasc, 21 (1897). 



Ascophores 5-15 mm. wide, gregarious or scattered, sessile, 

 urceolate, then hemispherical, concave; hymenium white, be- 

 coming greenish; externally clothed, especially towards the mar- 

 gin, with simple, straight, fuscous, multi-septate, gradually 

 tapering, acute hairs, 100-340 x 8-i5)u,, sometimes the hairs 

 are hyahne or become so with age. Asci cyhndrical, 200-260 

 X 8-i2ju,, 8-spored, operculate, not colouring blue with iodine. 

 Spores white, elHptical, 12-16 x y~d>^ (average 14 x 7-5/a), with 

 a moderate sized guttula at each end, i-seriate. Paraphyses 

 hyahne, hnear, shghtly thickened at the apex, 130-280 x 3-4//, 

 septate. 



On an old cinder heap in a wood. West Porlock, Somerset- 

 shire, 9th April, 1920, Mr Norman G. Hadden. 



I am much indebted to Mr J. Ramsbottom for kindly identi- 

 fying and supplying me with the descriptions of this species and 

 that of Hyaloscypha radio-striata (Feltg.) Boud. 



Ombrophila verna Boud. Boud., Soc. Myc. Fr. iv, yy; Boud., 

 Icon. Myc. iv, 250, t. 435. 



Ascophores 4-8 mm. wide, ochraceous, paler outside, plane, 

 lense-shaped, stipitate, very minutely fibrillose; margin entire, 

 or slightly crenulate, not or scarcely prominent; hymenium 

 ochraceous, or ochraceous fuscous, never rose-coloured, plane, or 

 slightly convex. Stem 4-8 mm. long, 1-2 mm. thick, blackish 

 brown at the base, pulverulent, or fibrillose. Flesh ochraceous, 

 blackish in the stem. Asci cylindrito-clavate, slightly attenuated 

 at the base, 90-100 x g-iOjji, 8-spored. Spores hyaline, smooth, 

 oblong, hardly fusiform, often depressed on one side, 9-15 x 4- 

 5/Lt, either with a small oil drop at each end, or with cloudy con- 



