350 FUNGI. [Sepedonium, 



133. Bactridium. Kimze, Bactridium. 



Flocci septate, tlie ultimate septa swelling here and there 

 into oblong deciduous 5/>ori<i/a, filled in the centre with a grumous 

 mass, their apices hyaline — Name, ^ax-^o:/, a staff, and iihog, 

 resemblance. 



1. B. atrovirens, Berk, (dark-green Bactridium) ; flocci forked 

 pellucid, sporidia lanceolate 1 — 2-septate dark-green. 



On the horizontal surface of the stump of a tree which had been 

 sawn asunder. Winter. Apethorpe, Norths. Rev. M. J. Berkeley. — 

 Forming a thin, dark, black-green, minutely granulated stratum. Flocci 

 white, so slender and transparent as to be seen only with some difficulty. 

 Sporidia lanceolate with one or more frequently two septa. 



134. Sporendonema. Desm. Sporendonema. 



Sporidia rather large, disposed in rows within the tubular 

 pellucid fiocci. — Name, G'jrooog, seed, s\idov, ivithin, and vri'j.a, a 

 thread, 



1. S. Cdsei, Desm. {red cheese-moidd) ; flocci somewhat 

 branched woven together into pulvinate red tufts. — Desm. An?i, 

 des Sc. Nat. v. 2. t. 21. Fr. Sj/st. Mtjc. v. 3. p. 435. 3Ioug. Sf 

 Nest.! n. 998.— 3Iucor crustaceus, Bidl. t. 504. /. 2. — Mucov 

 caseus, With. v. 4. p. 371. — Sepedonium caseorum, Lh. Sp. 1. 

 p, 29. — Trichia pohjmorpha, Sow. (in part). 



On cheese. Kot very general, at least 1 have had great difficulty in 

 procuring specimens. — Sporidia globose in my specimens, not elliptic 

 as figured by Desmazieres. 



2. S. musccB, Fr. (^Flij mould) ; flocci simple glued together 

 into somewhat lobed white tufts. Fr. Si/st. 3Iijc. v. 3. p. 435. 



On flies, adhering to leaves, ceilings, &c. Autumn. Extremely 

 common. — This is the white substance, noticed in Loudon s Mag. Nat. 

 Hist. V. 7. p. 532. It makes its appearance in httle tufts, oozing out 

 as it were between the plates of the abdomen. 



Tribe 5. Sepedoniei. Mycelium floccose, ivithout any dis^ 

 tinct sporidiferous filaments. Sporidia heaped together, lying 

 upon and in general springing from the matrix. 



135. Sepedonium. Lh. Sepedonium. 



Sporidia globose, pellucid, filled with sporidiola, at first 

 covered by the fiocci of the fleecy mycelium. — Name, (j^jjrsSw;;, 

 putrescence. 



1. S. chrysospermum, Lk. (yellow Sepedonium) ; flocci fleecy 

 dense white, sporidia golden-yellow not appendiculated. Lk, 

 Sp. 1. p. 29. Grev. Fl. Ed. p. 466. Sc. Crypt. Fl. t. 198. 

 Fr, Syst. 3Iyc» v. 3. p. 438. — Eeiicidaria chrysosperma^ Bull, 



