\ F. THEISSEN : LE GENRE ASTERINELLA 121 



tibus, fragilibus formato. Thyriothecia inversa, orbicularia, 1 70 250^, 

 diam. vel elliptica usque 300= 180 p-, dense gregária, crustam fe- 

 re continuam formantia, centro opaca impellucida, pluristratosa, 

 j ambitu fimbriâ brevissimâ hypharum inte- 

 grarum rubrobrunnearum 5"5 1 / 2 P- cr - 

 praedita, ex hyphis rectis brunneis 5 1 / 2 p 

 crassis radiato-contexta, irregulariter de- 

 hiscentia. 



Asei primo globoso-ovati, dein ellipti- 

 co-piriformes, aparaphysati, brevissime pe- 

 dicellati, supra rotundati, 8-spori, 40-45 = 

 20-30 p, jodo agente vix coerulescentes. 

 Sporae conglobatae, brunneae, 18-21 == 

 8-9 ^, laeves, cellulis subaequalibus. 



Fig. 18 



A. intensa 



1 — Margo thyriothecii 



2 — Ascus 



3 — Sporae. 



19- A. Humiriae (P. Henn.) Th. 

 Fragm. brasil, v n.° 165. 



Syn. : Seynesia Humi- 

 riae P. Henn. — Hedwig. 

 vol. 44 p. 65 ; Syll. xvii p. 

 866. 



[Herb. Berol., Ule 3006 

 in foliis Humiriae, Rio Ne- 

 gro, Amazonas ] 



Mycelio parco, irregu- 

 lariter opposite vel alterne 

 reticulato-ramoso, ex hy- 

 phis 4 5 p crassis, laete fu- 

 ligineis (peritheciigeris ob- 

 scuris 5 1 / 2 p cr.) arcuato- 

 flexuosis nec torulosis, ir- 

 regulariter septatis forma- 

 to, ramulis novellis recur- 

 vato-hamatis hyphopodia 2 — Ascus 

 simulantibus. Thyriothecia 3 — Sporae. 



inversa, orbicularia, hemisphaerico-lenticularia (primo brunn 



Fig. 19 — A. Humiriae 

 — Mycelium 



a — hypha terminalis ; b — pars 

 dia ; c — hyphae tangentes 



eola. 



