BRITISH FUNGI. 139 



Peronospora hyoscyami. Be By. 



Fertile threads thick, 5-8 times dichotomous, branches patent, 

 attenuated, straight or slightly curved, the ultimate forming a very 

 obtuse angle, divergent, short, subulate, straight, acute ; conidia 

 small, ellipsoid, very obtuse, cpispore pale violaceous. — De Bary in 

 Ann. des Sc. Nat., xx., p. 120 (1863). B. $ Br. Ann. N. II., No. 

 1401. 



On common henbane. Market Deeping. 



Verticellium agaricinum. Bon. (Grevillea, i., p. 184.) 

 On decayed Agarics. 



[Plate 22, fig. 9. a, Upper portion of fertile thread, b, Spores. 

 X 320 diam.] 



Verticillium aspergillus. B. <£ Br. 



Flocci simple below, or rarely divided, attenuated above, re- 

 peatedly furcate at the tips.— B. $ Br., Ann. N. H., 1384, t. 8,f. 7. 



On decaying Poly poms vaporarius. Kelmarsh, Notts. Nov. 



Threads -0055 in. high ; spores -0001 in. long. The threads are 

 occasionally divided below, in which case each branchlet is forked 

 at the tip. The habit is that of Chlonostachys araucaria, Cord a. 

 It is worth enquiry whether this may not be a state of Hypocrea 

 farinosa. 



Polyactis galanthina. B. & Br. 



Flocci above shortly branched, tawny ; ramuli incrassated above ; 

 spores obovate, sessile ; springing from elongated spicules. — B. <£• 

 Br., Ann. N. H., 1385, t. 8, f. 8. 



On bulbs of Snowdrop. 



Spores •0006--0007 in. long. 



(Edocephalum roseum. Cooke. (Grevillea, i., p. 184.) 

 On old paper and rags. 



[Plate 22, fig. 8. a, Fertile threads magnified, b, Spore further 

 magnified.] 



Oidium microspermum. B. $ Br. 



Pulvinules regular, ochraceous lemon-colour, flocci radiating, 

 furcate ; spores subglobose, concatenate. — B. fy Br., Ann. N. II. , 

 1387. 



On bark of Scotch fir. Batheaston. Nov. 



Spores -0002 in. dia. Differs altogether from O. aureum and 

 O. fulvum in the shape and size of the spores. Pulvinules at length 

 confluent. 



Helicomyces roseus Link. 

 Tufts effused, rosy. 



Link Obs. i. 19. Nees Sys. 1.,/. 37. Link sp. L, 131. B. 4' Br., 

 Ann., N. H., No. 1386. Fuckel Exs., No. 80. 

 On rotten trunks. 



