— 287 — 



fusoideae utriiique attenuatae ac acutato-obtusatae ( 10- 

 15X3-4 ;j.), iiiaequilaterales, non v. graiiuloso-farctae, 

 hyalinae. 

 Hab. Ad Cytta.riara Hookeri emortuaiii iii ramulis fa- 

 gorum in Basket island, Jim. 1882. 



393. A>.THRACHODERMA SELEAOSPERMUM Speg. (n. Sp.) 



Diag. Stroma saepius basin niatricis taiitum anulatira ciu- 

 gens, rarius per totam matricem diíFusum tumidulLim 

 carbonaceum atriim glabrum ; loculi ovoidei v. obo\ati, 

 plus niiiiusve exerti, (350-450 X 150-200 ¡x), sursum 

 obtusi non y. vix ostiolato-perforati laevissimi glabri 

 atri carbonacei, contestii iudistincto ; sporulae e strato 

 proligero immediate oriuiidae, cylindraceae, falcatae v. 

 uncinatae. utrinqne obtusiusculae ;1 2-20 X 2-2, 5\ gra- 

 nuloso-farctae, hyalinae. 



Hab. Ad Cyttariam Hookeri'^. languidam in ramulis 

 Fagonun prope Agaia et Brecknok pass, Jun. 1882. 



394. FUCKELIA ? AMARCTICA Speg. (u. Sp.) 



D/ag. Stromata elliptica (2-5"'Xl-2"') densiuscule sparsa 

 transverse erumpentia pulvinulata margine trúncala 

 rarius subeífusa, superne applanata non v. vix scrupu- 

 loso-rugulosa, coriaceo-caruo.sula ex atro v. lusco pur- 

 purascentia, contextu deusissime parenchymatico plus 

 minusve distincto; loculi dense constipati, non v. vix 

 prominuli minuti 80-100 \j) ; sporulae globosae v. ovoi- 

 deae (8-12XB-10 y.\ inferné subapiculato-angulatae, 

 crassiuscule tunicatae granuloso-farctae hyalinae, ste- 

 rigmatibus íiliformibus longiusculis ('0-15 X 1-2 [}), 

 concoloribus suffultae. 



Hab. Ad ramos emortuos subputrescentes Fagovum in 

 Staten island et prope Ushuvaia, 3íart. et Jun. 1882. 



Obs. Species statum spermogonicum Cenangii aust ralis 

 Speg. sisteus, a genere satis tamen desciscens. 



