230 



POLYPOREI. 



Merulius. On fir and oak. Rare. Oct-Dec. 



Name—falleo, to be pale. Berk. Out. p. 256. C. Hbk. n. 837. S. Mycol. 

 Scot. 71. 790. Fr. Hym. Eur. p. 593. 



11. M. Carmichaelianus Berk. — White, extremely thin, form- 

 ing effused, entirely resupinate, irregular, interrupted, confluent 

 patches. Folds forming regular, angular reticulations ; dull 

 brown when dry. 



Forming a mere pellicle, with minute, often hexagonal, extremely shallow 

 pores, like the cells of a honeycomb but quite superficial. 



On bark. Appin. 



Name — after Carmichael. Berk. Out. p. 256. C. Hbk. n. 838. S. Mycol. 

 Scot. n. 791. Fr. Hym. Eur. p. 593. — Grev. t. 224. 



II. — Coniophori. Hymenium pulverulent, &c. 



12. M. lachrymans Fr. — Light- yellow- ferruginous, spongy- 

 fleshy, slightly moist, spider-web-velvety beneath, margin swollen, 



tomentose, white. Folds large, porous and gyroso-toothed. 



Exuding watery drops when in fullest vigour. Commonly in the form of a 

 placenta, but also effuso-reflexed, nay, from a medial placenta stalked tuber- 

 cles producing small pilei arise. Hymenium exceedingly changeable, some- 

 times like that of Hydnum. 



On dressed wood, &c. Very common. 



The dry-rot of houses. Often covering a large surface of the wood. Spores 

 oval, rich orange brown, 9x6 mk. IV.G.S. ; ellipsoid, somewhat yellow, 10- 

 12 x 5-6 mk. K. Name — lachryma, a tear. From the watery drops. Fr. Hym. 

 Eur. p. 594. Sv. at I. Sv. t. 70. Berk. Out. p. 256. C. Hbk. n. 839. S. 

 Mycol. Scot. n. 792. Harz. t. 77. Hussey i. t. 3. El. Dan. t. 2026. Krombh. 

 t. 46./. 1-2. Sow. t. 113. — Wulfin Jacqu. Coll. t. 8./. 2. 



* M. pulverulentus Fr. — Very broad, membranaceous, becoming 

 eve?i, zoned, arid, spider-web-velvety beneath, gradually decaying 

 from the centre towards the circumference. Folds marginal, 

 somewhat reticulated, tawny. 



Of many colours. Singular from the peculiar way in which the hymenium 

 recedes from the centre. Strachan, Kincardineshire. Name — pulvis, dust. 

 Pulverulent. Fr. Hym. Eur. p. 594. S. Mycol. Scot. n. 792. 



Porothe- 

 lium. 



Genus XXX. — Porothelium (iropos, a pore ; e-nx-q, a teat. From 

 the porous spines). Fr. Obs. 2. p. 272. 



Whole fungus composed of mycelium, expanded resupinately, 

 somewhat membranaceous, producing papillce which are at the 



