lae simplices hvaliiiae v. fuscidnlae graciles (2,5-3 ;x), 

 septis crassis nigris dense ornatae, articulis sub- 

 coarctatis l-^-papillulato-nodulosis; conidia cynibiformia 

 utrimiue attenuata ac obtusa (1G-I9 X ;")-(> ■/, primo 

 pcUucida fuligiuea, deiii opaca"atra. 

 Ilab. A(l folia languida \. emortua Luzulae antarcticae 

 |)rope Ushuvaia, Maj. 1882. 



444. GoAiospoRiuM PUiNCTiFORME Speg. (n. sp.) 



Diag. Maculae pallescentes amphigenae indeterminatae 

 parvulae; acer^uli minuti (350-550 ;.».) s[)arsi atri com- 

 pactiuscuii ; hy[)hae cjliudraceae fusciduUie (5-6 ;a), 

 crasse denseque nigrosc[)tatae, mox difnuenti-evane- 

 scentes ; conidia [)olymorpha, globulosa hemisphaerica 

 trigona V. subcuboidca (10 x 7-10 ;a\ augulis saepius 

 obtuse apiculatis, primo pellucida fuliginea, dein atra 

 opaca. 

 Ilab. Ad folia languida v. cmortua Caricis cujusdam in 

 uliginosis in Gabel island, Jun. 1882. 



445. CORDELLA CHAETOMIOIDES Speg. (ll. sp.) 



Diag. Puhinuli hinc iude sparsi inajusculi (1'") laxe vil- 

 losuli olivacei; h}'[)hae stcriles erectae llcxuosuhic 

 longiusculae ac crassiusculae (200-950 x 5-10 ;j.), a[)ice 

 obtusae parce septatae olivaccac ; hy[)hae fertiles ste- 

 rilibus intcrmixtae, vix [)a[)illulato-prominulae, stratum 

 proligerum tenuissimum submucoso-membranaceuin ef- 

 licientes; conidia globosa (12-15 ;;.), in sicco saepius 

 dimidiato-collabcsceutia, grossc 1-guttuIata, densissime 

 minute([ue asperula, subopace fuligiuea. 



II ab. Ad folia Mayteni ac graminacearum coacervata 

 acpulrescentia in sylvis pro[)e S/ia77i)uaci(.s, Maj. 1882. 



Obs. Pulvinuli primo iutuitu pro Chaetomio ([uodam fa- 

 cillime sumcndi, lciitetaincii iuspecli mo\ dignosceudi. 



