[I9J 



F. THEISSEN : LE GENRE A ST ER IN ELLA 



119 



mam dubie identicam. Quodsi vere differat, ejus varietatem sistit 

 microsporam. 



16. A. multilobata (Winter) Th. 



Syn. : Aster ina multilobata Winter — Hedwig, 1887 p. 25; Syll. 

 xi p. 255; Rabh. F. Europ. 3438. 

 Seynesia multilobata (Winter) Rehm. 

 [Rabh. F. Eur. 3438 in Malptghiacea, São Francisco, Brasiliae 

 meridionalis ; Herb. Pazschke, Ule 203 in Paullinia, Santa Cathari- 

 na ; Rehm Ascom, 1297 in Serjania, São Francisco.] 



Mycelio laxissimo, tenui- 



ÊÈL ^ 'Jl** r *" er fi n T° rmi \ ex hyphis irre- 

 fj^ gulariter reticulato ~ ramosis, 

 tenerrimis, 2 1 / 3 u. crassis, lae- 

 te fuscidulis, hyphopodiis ca- 

 rentibus formato (hyphopo- 

 dia illa multilobata, de qui- 

 bus sermo est in diagnosi au- 

 ctoris, initia sistunt thyrio- 

 theciorum juvenilium). Thy- 

 riothecia sparsa vel etiam den- 

 so agmine congregata, minu- 

 ta, IOO-150 a diam., orbicu- 

 laria, depresse hemisphaerica, 

 centro umbilicato collabentia, 

 ambitu breviter laetiusque fim- 

 briata, contextu atro-brunneo, 

 ex hyphis rectis, 3-4 p cras- 

 sis, anguste septatis (articulis íere cubicis 4 u. diam.) radiato-con- 

 texta, aetate ad marginem usque mucose resorpta. 



Asei globoso-ovati, aparaphysati, muco obvoluti, 3S~4 2 P- diam. 

 vel 46 = 22 [j., 8-spori, jodo agente intense coerulescentes. Sporae 

 obscure fuligineo-brunneae, oblongae, utrinque rotundatae, 22-29= 

 IO- II fx, cellulis saepius inaequalibus, episporio dense verrucoso. 



Fig. 16 



A. multilobata 



1 — Sector thyriothecii 



2 — pars thyriothecii periostialis 



3 — initiae thyriotheciorum 



4 — Sporae. 



