250 HYDNEI. 



Irpex. cumference naked. Teeth compressed, unequal, arranged in 



rows. 



Effused, with the margin refiexed all round, and the teeth exactly resem- 

 bling those of many true species of Hydnum, but upon minute inspection they 

 will be found to be seated upon fine folds. 



On dead beech. Berwick. 



Name — after Dr George Johnstone. Berk. Out. p. 262. C. Hbk. n. 871. 

 S. Mycol. Scot. n. 823. Fr. Hym. Eur. p. 621. Irpex lacteus Eng. Fl. v. 

 p. 161. 



4. I. spathulatus Fr. — Shining white, effused, membranaceous, 

 at first flaxy, at length becoming smooth. Teeth spathulate, 

 equal, entire, reticulato-connected with obsolete veins. 



Very distinct, never porous. Here and there yellowish when dry. 



On larch. Wallington, Northumberland. Nov. 



Name — spat/ia, a spatula. From the spoon-shaped teeth. Fr. Hytn. Eur. 

 p. 622. B. 6 s Br. n. 1815. — Schrad. Spic. t. 4. /. 3. 



5. I. obliquus Fr. — White inclining to pale, effused, forming 

 an adnate crust, circumference flaxy. Teeth extended from a 

 base resembling ho?ieyco77ib, compressed, unequal, incised, oblique. 



At first abundantly porous, but toothed from the first, at length quite as in 

 Hydna. 



On stumps and dead branches. Uncommon. Nov.-Feb. 



Name—obliqutis, oblique. From the teeth. Fr. Hym. Eur. p. 622. 

 Berk. Out. p. 262. C. Hbk. n. 872. S. Mycol. Scot. n. 824.— Bolt. t. 

 167. /. 1. 



6. I. deformis Fr. — White, effused, crustaceous, thin, circum- 

 ference pubescent, somewhat flaxy. Teeth extejided in awl-shape 



from a minutely porous base, thin, somewhat digitato-incised. 



It approaches the Polypori. 



On wood. Strachan, Kincardineshire. 



Name — deformis, misshapen. Fr. Hym. Eur. p. 622. S. Mycol. Scot. 

 n. 825. 



7. I. carneus Fr.— Reddish, effused, 2.5-7.5 cent. (1-3 in.) long, 

 cartilaginous-gelatinous, membranaceous, adnate. Teeth obtuse 

 and awl-shaped, entire, united at the base. 



It inclines to Radula and Phlebice. 



On wood. Penzance. 



When perfect it is a true Irpex. B. 6 s Br. Name— caw, flesh. Flesh- 

 colour. Fr. Hym. Eur. p. 622. B. & Br. n. 1972. . 



