POLYPOREAE OF SOUTH AFRICA. 285 



Distribution . — Found on live Celtic kraussiana by J. D. Keet 

 in Eastern Cape Forest Conservancy. (Cotype in Natal Herbarium, 

 No. 388.) 



The entile plant is concolorous except that the pores are a 

 darker yellow. The surface and context are a light maize yellow. 



14. Trametes obstinatus, Cke. 



Plants woody, perennial, sessile, to effused-reflexed or decur 

 rent behind; pileus large, dimidiate, imbricate, 7 cm. to 30 cm. by 

 4 cm. tot 12cm. by 4 cm. to 4-5 cm. applanate, at times concave 

 above; surface yellowish buff, grey or brown, velvety tomentose 

 becoming subglabrous when old, often tuberculate, azonate or 

 zoned, at times concentrically sulcate, frequently somewhat rimose 

 with age; context creamy white to yellowish buff, 2 cm. to 3-5 cm., 

 zoned or azonate, fibrous, hard and woody, shining; tubes 0-5 mm. 

 to 2 mm. long, white to yellowish, older layers indistinct and 

 blocked up; mouths 1 to 4 to the mm., subrotund to elongated 

 becoming sinous and daedaloid, white to yellow; spores not found, 

 hyphae, 5/x to 7-5/x, simple. 



Distribution. — A common fungus. Found by the writer on 

 live Acacia molUssima and on live Citrus trees, around Pretoria; 

 around Durban, Natal, on undetermined hosts; in the Ngoye 

 Forest, Zululand, by W. Haygarth; in Eastern Cape Forest Con- 

 servancy on Celt is kraussiana by J. D. Keet. 



15. Trametes tomentosa, n. sp. 



Plants effused-reflexed, annual; pileus applanate, coriaceous 

 9 cm. by 7 cm. by 01 cm. to 0-4 cm. ; surface with a few faint 

 furrows, rugulose, covered with a soft cinnamon brown tomentum; 

 margin thin, undulate; context 0-5 mm. to 2 mm. thick, 

 azonate, corky, shining, straw yellow; tubes 0-5 mm. to 1-5 mm. 

 long, elongated on decurrent part, concolorous with context; 

 mouths subrotund to irregular, 2 to 3 to the mm.; edges thick 

 towards margin, thin in older parts, entire to somewhat lacerate, 

 yellow-buff; hyphae 4/x to 5/x diam. 



Distribution. — Found on dead logs at Durban, Natal, by the 

 writer. 



The plant is in its context colour and colour of pore mouths 

 close to P. occidentalis, Kl., from which it differs in the finer 

 tomentum. The hairs are longer and finer and the surface has a 

 feeling of plush. (Type in Natal Herbarium, P. v. d. B., No. 836.) 



16. Trametes ochroUgnea, Lloyd. 



Plant forms a hard flat, woody and unseparable mass, 2 mm. 

 thick, on the wood on which it grows, the periphery of this mass 

 is continued into the pilei or the pilei develop separately from it ; 

 pilei subcircular 6 cm. to 10 cm. diam. by 0-7 cm. to 2 cm. thick: 

 surface uneven, tuberculate, reddish brown, more yellow towards 

 margin, tomentose, with a few concentric furrows; context 3 mm. 

 to 9 mm. thick, corky to hard and woody, yellow, shining; tubes 



