MeruKus 



POLYPORACE^i 



371 



Fr., a membranous form, with a somewhat more feeble development of 

 pores than in type. Must not be confused with 1884, a plant which has 

 no pores. 

 1681. M. squalidus Fr. (from its squalid appearance) a b c. Smooth, 



with extensive barren places. 



Po. large to small, somewhat sinuous, hyaline flesh-colour ; 

 marg. broad, barren, paler, fibrillose at edge. Hym. dull, 

 dark vinous-umber or purple slate-black when dry. 

 Hornbeam, posts, dressed wood. Feb. 3^ in. 

 1681a. M. Guillemotii Boud. (after M. Guillemot) a. 



P. dimidiate, imbricate, smooth, white, becoming greyish with age. 

 Po. gyrose, subgelatinous, fulvous to brassy-orange, slightly 

 olive, pulverulent with spores. Flesh white to pale lavender. 

 On posts, palings, willow. June- Sept. 4! x 2| in. ; projection 2| in. 



LXIX. POROTHELIUM Fr. 



(From the perforate tubercles, spines or teat-like teeth ; ' 

 Gr. poroS) a pore, thele, a teat.) 



Subiculum more or less membranous, bearing obtuse, or elongate, 

 distinct papillae, which are at first closed, then open in the form of 

 pores or tubes. On dead branches, etc. (Fig. 84.) 





Fig. 84. A, Porothelium fimbriatum Fr., one-half natural size. B, pores ; c, section when 

 grown horizontally ; D, ditto when grown vertically. X 10. E, P. Friesii Mont., papillae 

 from a damp position ; F, ditto from a dry position ; G, section. X 10. 



2 B 2 



