CORTICIUM. 279 



25. 0. cinereum Fr. Lurid, waxy becoming rigid, confluent, Corticium. 

 agglutinated, circumference similar. Hymenium sprinkled with 



very thin cinereous pruina. 



There are two forms, the thicker on wood, the thinner on bark. 

 On dead branches. Very common. Nov.-May. 



Spores oblong or elongated, cylindrical, curved, 3-5 x i mk. K. Name 

 cinis, ashes. Ash-colour. Fr. Hym, Eur. p. 654. Berk. Out. p. 275. 

 C. Hbk. n. 937. S. Mycol. Scot. n. 893. 



26. C. incarnatum Fr. Waxy, becoming rigid, agglutinated, 

 indeterminate, circumference radiate. Hymenium persistently 

 bright-coloured (red, orange), sprinkled with very thin, somewhat 



flesh-coloiired pruina. 



The form on wood is rather thick, undulato-papillose, when collapsed even, 

 cracked ; that on bark thinner, persistently spuriously papillose from SphcericB 

 being incrusted by it. 



On dead pine, Ulex, broom, &c. Very common. Aug.-March. 



Spores ellipsoid or oblong-ellipsoid, often obsoletely curved, 9-12x5 mk. 

 K. Name incarnatus, flesh-coloured. Fr. Hym. Eur. p. 654. Berk. Out. 

 p. 275. C. Hbk. n. 938. S. Mycol. Scot. n. 894. Fl. Dan. t. 2035.7. 2 - 



27. C. nudum Fr. Flesh-colour becoming pale, waxy, becoming 

 rigid, agglutinated, circumference determinate, smooth. Hy- 

 menium even, cracked when dry, sprinkled (under a lens) with 

 whitish, fugacious pruina. 



On dead wood. Frequent. Nov.-Feb. 



Name nudus, naked. Fr. Hym. Eur. p. 655. Berk. Out. p. 276. C. 

 Hbk. n. 939. S. Mycol. Scot. n. 895. 



* C. citrinum Pers. Agreeing entirely with C. nudum, except 

 in the hymenium being papillose, and in the colour being bright 

 light yellow. 



On dead wood. Moncreiffe. 



Name citrus, citron. Lemon-yellow. Pers. Myc. Eur. \. p. 136 (Theleph.) 

 Fr. Hym. Eur. p. 655. B. & Br. n. 1695. 



28. C. confluens Fr. Somewhat membranaceous, indetermi- 

 nate^ agglutinated, circumference radiate (not fibrillose). Hymen- 

 ium even, naked, hyaline, shining whitish when dry. 



Circumference adnate, very delicate. 

 On dead branches, ash, &c. Frequent. 



Name confiuo, to flow together. Confluent. Fr. Hym. Eur. p. 655. 

 Berk. Out. p. 276. C. Hbk. n. 940. S. Mycol. Scot. n. 896. 



