[Vol. 2 



752 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



4. Drying ochroleucous, basidia at or near the Burface in tissue not 

 sharply differentiated as a layer from tissue near substratum ; much 

 crystalline matter about 100 /* below surface. On Alnus, South 



Carolina 9. 8. scariosa 



4. Drying some variety of brown 5 



4. Drying fuscous to black " 



5. Drying cacao-brown (testaceous of Saccardo's 'Chromotaxia') ; separable 

 from substratum; resembling 8. incrustans but with margin soon de- 

 tached and spores 6-7X4V 2 -5 /*• On juniper, Alabama 2. 8. deglubens 



Blue-purple when fresh, drying tawny olive to Saccardo's umber where 

 directly on the wood; adnate to substratum; 30-45 u thick; basidia 



7-10X6-8 n; spores 6-7X3-5 n 10. 8. podlachica 



5. Drying cinnamon-brown; adnate to substratum; 100-140 n thick; scattered 

 paraphyses with bushy-branched, brown tops rise 45-60 m above the 



basidia. On Magnolia, Delaware 11. 8. cinnamomca 



6. Hay's brown when moist, drying fuscous, the margin pale cartridge- 

 buff; separable from substratum; 500-600 fi thick. On Populus, 



Idaho 12 - 8 ; a4usta 



6. Drying blackish plumbeous; adnate to substratum; 150-200 p thick, 



the margin indeterminate. On Populus, Washington 13. S.plmnbca 



5. 



6. Grayish when moist, drying dark mouse-gray and shining; adnate to 

 substratum; 50-160 n thick, the margin indeterminate. On very 

 rotten wood, New England H. 8. atrata 



1. Sebacina incrustans Pers. ex Tulasne, Ann. Sci. Nat 



Bot. V. 15: 225. pi. 10. f. 6-10. 1872; Linn. Soc. Bot. Jour. 13 



Plate 27, fig. 13 



36. 1873 



Corticium incrustans Persoon, Obs. Myc. 1 : 39. 1796. — 

 Thelephora incrustans Persoon, Syn. Fung. 573. 1801 ; Fries, 

 Syst. Myc. 1 : 448. 1821. — Thelephora sebacea Persoon, Myc. 

 Eur. 1 : 155. 1822 ; Fries, Elench. Fung. 1 : 214. 1828 ; Hym. 

 Eur. 637. 1874 ; Saccardo, Syll. Fung. 6 : 540. 1888.— Corticium 

 sebaceum Massee, Linn. Soc. Bot. Jour. 27 : 127. 1891. — 

 Merisma cristatum Persoon, Syn. Fung. 583. 1801. — Thele- 

 phora cristata Fries, Syst. Myc. 1 : 434. 1821 ; Hym. Eur. 637. 

 1874 ; Saccardo, Syll. Fung. 6 : 539. 1888.— Sebacina incrustans 

 Tul. ex Bresadola, in part (Hym. Hung. Kmet.), I. R. Acad. 

 Sci. Agiati III. 3 : 117. 1897. 



Illustrations : Tulasne, loc. cit. — Persoon, Com. Fung. Clav. 

 pi. 4. f. 4; Berkeley, Outlines Brit. Fung. pi. 17. f. 6; Brefeld, 

 Untersuch. Myk. 7 : pi. 6. f. 22-26. Hennings in Engl. & 



Prantl, Nat. Pflanzenfam. (I. 1 **) : 91. /. 59 C, D; Nees, 

 System pi. 34. f. 256 B; Patouillard, Tab. Anal. Fung. /. 155; 

 and Essai Tax. Hym. 25. /. 17 a, b; Soc. Myc. Fr. Bui. b:pl. 

 7. f. 11. — See Saccardo, Syll. Fung. 20 : 945 for references to 

 some additional illustrations which I have not seen. 



