256 



BRITISH DISCOMYCETES. 



i. 



[Growing on heibaceous stems; externally clothed 



with strigose hairs 

 [Growing on fern-stems; exterior olive-brown 

 Growing on rotten wood, citron-colonr 

 Growing on leaves; exterior fulvo-rufous . . 

 Growing on herbaceous stems ; exterior yellow 01 



whitish 

 Growing on dead wood or bark 



I Externally white ; margin granulated 

 Externally ferruginous; disc pallid. . 

 Externally nearly straw-colour 



B. HAIRS OF CUP HYALINE. 



Hymenium watery-umber 



Hymenium black 



Hymenium pale red 



Hymenium tawny 



Hymenium flesh-colour ; externally white or brick- 



x t/LL •• •• •• •• •• •■ •• 



Hymenium white or very pale yellow : on Humulm 



Hymenium yellowish; externally white: on Spliseria 



Hymenium white 



Growing on Rufous 



Growing on wood 

 1. -^ Growing on leaves 

 | Growing on rushes 

 (Growing inside husks of chestnut . . 



I Exterior white ; margin ciliated ; hairs long 

 Exterior w T hite ; hairs short and inconspicuous 

 Exterior whitish or yellowish, rough with papillae 

 o ("Marginal hairs twisted spirally 

 ' (Marginal hairs spreading 

 (Exterior greyish-white : on leaves of Rubus 

 I Exterior white, when dry yellowish : on leaves of 

 4. A Betulus 



[Exterior white, nearly naked: on leaves of Epil 

 { biam 



nidulus. 

 Pteridis. 

 citricolur. 

 dumorum. 



sulphurea. 



6 



papillaris. 



barbata. 

 variculor. 



dematiicol < ' . 

 melazantha . 

 micacea. 

 Berkeleii. 



albo-testara. 



Tami. 



episphxriti. 



1 



candidata. 



2 



4 



fugiens. 



aranea. 



3 



hyalina. 



scrupulo.<n. 



sporotrichn. 



huconica. 



oedema. 



araneo-cincta. 



punctoidta. 



A. HAIRS OF CUP COLOURED. 



(a) Sporidia elliptic or oblong. 



(a) Paraphyses filiform. 



37. Lachnella Pteridis. (A, and S.) 



Cups scattered or gregarious, sessile, small, at first 



globose, then hemispherical, waxy soft ; externally dark 



olive-brown, rugulose from the ad pressed hairs ; margin 



crenate-fimbriate ; flesh dirty yellow ; asci clavate or 



slongate-subfusiform ; sporidia 8, oblong or oblong- 



