256 



BRITISH DISCOMYCETES. 



(Growing on heibaceous stems; externally clothed 



3. < with strigose hairs . . 



( Growing on fern-stems ; exterior olive-brown 

 Growing on rotten wood, citron-colour 

 Growing on leaves ; exterior fulvo-rufous 

 Growing on herbaceous stems ; exterior yellow or 



whitish 



Growing on dead wood or bark 

 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- 

 red 



Hymenium white or very pale yellow : on Humulus 



Hymenium yellowish; externally white: on Splixria 



Hymeuiuni white 

 (Growing on Euhus 

 \ Growing on wood 

 {Growing on leaves 



Growing on rushes 



Growing inside husks of chestnut 



Exterior white ; margin ciliated ; hairs long 



Exterior white ; hairs short and inconspicuous 



Exterior whitish or yellowish, rough with papillae 

 (Marginal hairs twisted spirally 

 (Marginal hairs spreading 

 [Exterior greyish-white : on leaves of Eubus 

 (Exterior white, when dry yellowish: on leaves of 



4. -^ Betulus 



j Exterior white, nearly naked: on leaves of Epilu- 

 [ binm .... 



3. 



nidulus. 

 Pteridis. 

 citricolor. 

 dumorum. 



sulphurea. 



6 



papillaris. 



barbata. 

 varicolor. 



dematiicola. 



melazanthu. 



micacea. 



Berkeleii. 



albo-testacea. 



Tami. 



episphseria. 



1 

 candidata. 



2 



4 



fugiens. 



aranea. 



3 



liyalina. 



scrupulosa. 



sporotricha. 



Icuconica. 



oedema. 



araneo-cinda. 

 punctoidea. 



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 adpressed hairs ; margin 



crenate-fimbriate ; flesh dirty yellow ; asci clavate or 



slongate-subfusiform ; sporidia 8, oblong or oblong- 



