460 FUXGrS-FLORA. 



Sti/saniis parasiticus, Desm., Ann. Sci. Xat., ser. iii. v. x. 

 p. 344. 



On fading or rotten leaves of various plants. 



Sect. 2. JPliragmosporae, Sacc. 

 AETHPtOBOTEYUM. Cesati. (fig. 4, p. 442.) 



Conidiopliore capitate, on an elongated coloured, rigid 

 stem composed of agglutinated, parallel, septate liyphae, 

 that spread out at the apex and become more or less free, 

 bearing the septate, coloured conidia at their tips. 



Artlirobotryum, Cesati in Hedw., i. t. iv. f. 1 ; Sacc, Syll., 

 iv. p. 608. 



Usually gregarious, the hyphae forming the compact, 

 rigid, dark-coloured stem becoming free at the tip and 

 forming a head, the tips of the hypliae bearing the conidia. 



Arthrobotryum stilboideum. Cesati. 



Gregarious, blackish brown, stem tapering upwards, 

 blackish, conidia cylindrical, 3-septate, endochrome becoming 

 pale brown, 10-12 X 4 /x. 



Arthrobotryum stilboideum^ Cesati, Hedwigia, i. t. iv. f. 1 ; 

 Sacc, Syll., iv. n. 2986. 



On rotten wood. AATiole plant not 1 mm. in height. 



Arthrobotryum atrum. B. k Br. (fig. 4, p. 442.) 

 Gregarious, blackish, stem stout, cj^lindrical, rigid ; head 



large, subglobose ; conidia cylindric-ovoid, 3-4 septate, the 



two end cells pale, remainder brown, 30-40 X 12-16 yu,. 



Artlirobotrytim atrum, B. & Br., Ann. Xat. Hist., n. 822, 



t. ix. f. 6 ; Sacc, Syll., iv. n. 2987. 



On dead stems of various herbaceous plants, and on 



branches. 



Fam. lY. TUBEECULAEIEAE. Ehrenb. 



Compact ; usually originating from a more or less de- 

 veloped basal stroma ; wart-like, globose, discoid ; super- 



