126 NEW AND RARE BRITISH FUNGI. 



24. Saccobolus violascens. Bond. Mem. Sur. les Ascob. t. 8. /. 19. 



Phillips. El. Brit., No. 48. 



Scattered or aggregate, minute, 1-2 mill, broad, rotundate, or 

 more or less flexuose, glabrous, shining, subgelatinous, cinerio- 

 violet ; disc convex ; apices of parapbyses thickened, pear-shaped, 

 becoming violet. Bond. 



On cow-dung, Norfolk, 1873. 



25. Desmazierlla aciccola. Libt. PI. Crypt. Ardn., No. 24. Ann. Sc. 



Nat., 1829, /J. 82, c.i. Phillips, El. Brit., No. 45. 



Pezizaform, nearly plane, sessile, about two lines broad, coated 

 externally with a fuscous, byssoid, compact tomentum ; hairy, with 

 long, patent, crowded, nearly black hairs ; disc olivaceo-cinereous. 



On dead leaves of Pinus syJvestris. 



Wrekin, Shropshire, Jan., 1872. Trefriw, North Wales, May, 1874. 



This appears at first as a minute, hairy Chetomium-\\kQ body, 

 nearly black, afterwards expanding into a sublentiform disc. The 

 brown hairs of the hymenium being prolongations of the para- 

 pbyses, give this plant a striking character. The sporidia are 

 hyaline, binucleate, -0006 in. long, -0003 in. broad. 



No blue reaction with iodine. 



Plate 42, Jig. 3. a. nat. size of plant ; b. section enlarged ; c. a 

 hair magnified ; d. a bundle of parapbyses, the summits changed 

 into hairs ; e. asci ; /. sporidia, all highly magnified. 



* Tozrubia myxmecophila. Tul. 



A single specimen of this rare Sphcsria was found in a wood at 

 Trefriw, North Wales, May, 1874. 



26. Nectzia mammoidea. n. sp. « 

 Sub-ca3spitose ; perithecia medium sized, globose, minutely fur- 



furaceous, brick-red ; ostiola papillate, persistently darker than the 

 perithecia ; spoi'idia elHptical, uniseptate, somewhat acuminate, 

 rather irregular in size and form, -001 in. X "0004 in. 



Sphcer. Brit., Cent. ii. (inedit). 



On furze stumps. North Wootton. On birch bark, Ercall. W.P. 



Plate 42, fig. 5. a. perithecia enlarged ; b. sporidia. 



27. Dothidea angelicse Fr. System. Mycol. II., p. 561, 

 On Angelica. Dr. Buchanan White, 1874. 



* Dothidea Johnsonii. J3. Sf Br. 



Spores uniseptate, unequal, '0008 in. long. 



28. Diapoxthe samazicola. n. sp. 



Perithecia minute, immersed, covered by a circumscribed thin 

 black stroma, vai'iable in size and outline ; ostiola minute, promi- 

 nent ; sporidia biseriate, colourless, quadrinucleate, somewhat acu- 

 minate, -0007 in. X -002 in. ; asci -003 in. x -0004 in. 



On the samari of ash, Terrington, Jan., 1875. 



Plate 42, fig. 6. a. ascus ; b. sporidia. 



29. Diaporthe spina. Fckl. Symb. Mycol., p. 210. 

 On ozier, North Wootton, lb74. 



30. Sphaeria (Didymosphaeiria) applanata (Niessl. inlitt.) n. s. 

 On Eubus Idceus, Shrewsbury, 1874. 



