1 20 CRYPTOGAMI AFUNGI. 



considerable extent, the rough apices of the celluliferous 

 tubercles bursting through it irregularly. The tubercles 

 are about a line in breadth and height, either separate or 

 touching at their base, and in the latter case they form an 

 interrupted line. Each encloses about a dozen of small 

 black cells, which appear to be arranged round a white 

 corky centre ; and the surface of the tubercle is roughened 

 by their orifices. 

 \ 



11. S* faginea, crust spreading, thin, black; cells closely clus- 

 tered, semi-immersed, flask-shaped, oblique, with a long neck, 4 

 or 5 converging and perforating the bark at the same point. 

 PERS. Syn. 44. Mou&. and NEST., No. 170. S. perforata. Sow. 

 Fung. t. 372, f. 2. Cryptospharia faginea, GREV. Fl Edin. 359. 



Hob. On dead branches of beech, abundant* 



Rotten branches of beech lying in the open air, are generally 

 marked all over with little circular rough points protrud- 

 ing through the bark. These points, examined by the 

 magnifier, are seen to consist of 4 or 5 minute tubercles, 

 which are the orifices of as many cells beneath. At first the 

 bark is firmly adherent above them, but ultimately it be- 

 comes loose, and, although never detached by the fungus 

 itself, it is easily removed, when the structure becomes 

 very obvious. The capsules lie half immersed in the thin 

 base, and lean so obliquely that the necks of 4 or 5 of them 

 meet and penetrate outwards at one point by a sudden 

 bend of the orifices. 



f -j* [ Base adnate, effused, fleshy. 



12. S. typhina, crust cylindrical, elongated, orange-colour, dot- 

 ted, even, the capsules immersed, ovate PERS. Syn. 29. HOOK. 

 Scot. ii. 6. S. spiculifera, Sow. Fung. t. 274. Polystigma typhinum, 

 GREV. Fl. Edin. 365. Stromatosphceria typhina, GREV. Crypt. Fl. 

 t. 204. 



Hob. On the culms of living grasses, not uncommon. 



The grass affected with this curious parasite mimics the 

 reed-mace (Typha latifolia) in its appearance. It sur- 

 rounds the stalks to an extent varying from half an inch 

 to 2 inches ; is white in its earliest state, but in a few days 

 acquires the orange-yellow colour of maturity. 



