New Ceylon Fungi. 



BY 



T. FETCH. 

 Hymenomycetes. 



Armillaria fuscipes, Fetch, n. sp. — Fileus up to 6 cm. 

 diameter, at first broadly convex, then plane, margin recurved ; 

 centre obtusely umbonate with an encircling depressed zone, 

 sometimes umbilicate ; brown or yeUow brown in the centre, 

 becoming pale brown outwards, shading off to pure white in 

 the outer half ; centre corrugated ; the central half covered 

 with minute distant brown warts, elsewhere glabrous ; margin 

 striate. Flesh thin, white, turning brownish when cut. 



Stalk up to 10 cm. long, usually almost horizontal at the 

 base and then curving upwards, up to 9 mm. diameter at the 

 base, attenuated upwards and 5 mm. diameter at the apex ; 

 blackish brown, clothed with grayish flocci, becoming paler 

 and longitudinally fibrillose towards the ring ; longitudinally 

 striate and reddish above the ring ; sohd, outer layers dark 

 brown in section, inner tissue bro-s^-nish white ; in clusters ot 

 six to nine, arising from a cushion-Hke mass, each stalk 

 surrounded at the base by a narrow, white, tomentose ring. 



Ring, near the apex, dependent, ample, rather thick and 

 floccose. 



Gills white, rather crowded, narrow (3-4 mm. broad), 

 decurrent, attenuated outwards. 



Spores white, oval, or subglobose, smooth, 6-8 X 5-7 z^- 



On roots of Acacia decurrens, which it kills. Mycelium 

 between the wood and bark of the host plant in reddish plates. 

 Rhi/.omorphs, 2-3 mm. diameter, at first reddish, then black. 

 Uda Fussellawa, Ceylon. 



Paxillus russuloides. Fetch, n. sp. — Pileus 7-8*5 cm. 

 diameter, piano and obtusely umbonate, or infundibuliform, 

 viscid, with a separable purplish red, brick-red, or pinkish 



[Annals of the Royal Botanic Gardens, Peradeniya, Vol. IV., Part V., March, 1909.] 



7(1)09 (39) 



