ENDODESmA — BACTEIDIUM. 477 



Midodesmia glauca. Berk. & Broome, Ann. Nat. Hist., 1871, 

 n. 1318, t. XX. f. 9 (conidia wrong shape, and should not be 

 appendionlate) ; Sacc, Syll., iv. n. 3267. 



On old cabbage stalks, forming minute glaucous or 

 greyish, silky-looking tufts under a lens. The above de- 

 scription is drawn up from the type specimen. 



Sect. 3. Phragmosporae. Sacc. 

 BACTEIDIUM. Kunze. (fig. 13, p. 442.) 



Sporodochium superficial, rather thin, more or less convex ; 

 conidia elongated, large, pluriseptate, colourless or coloured ; 

 conidiophores simple or branched, terete. 



Bactridium, Kunze, Mykol., Heft i. p. 5 ; Sacc, Syll., iv. 

 p. 691. 



Distinguished by the very large, elongated, multiseptate 

 conidia. 



Bactridium flavum. K. & S. 



Sporodochium nearly globose, clear orange, 1-1 • 5 mm. 

 across; conidia fusiform-clavate, 150-180x30-50 /«,, 5-6- 

 septate, olive with a rufous tinge; sporophores simple, 

 150-180 X 8-10 fjL, colourless. 



Bactridium flavum, Kunze & Sohw., Myk., Heft i. p. 5, t. i. 

 f. 2; Sacc, Syll., iv. n. 3268. 



On rotten wood. 



Bactridium acutum. B. & W. 



White ; parasitic, conidia attenuated at the base, apex 

 acute, 1-3-septate, penultimate joint tumid. 



Bactridium acutum. Berk. & White; Scottish Nat., iv. 

 p. lfi^2, t. ii. f. 4; Sacc, Syll., iv. n. 3275. 



Parasitic on the hymenium of Peziza cocMeata. Differs 

 from. Bactridium helvellae in the conidia being constantly 

 acute at the apex and attenuated towards the base. 



Bactridium helvellae. B. & Br. (fig. 13, p, 442.) 

 Sporodochia confluent, thin, minute, Subeffused; conidio- 

 phores suberect, sparingly branched ; conidia clavate, clavato- 

 piriform, subfusiform, colourless, at maturity 6-7-septate, 

 60-70 X 14r-16 fi. 



