256 BRITISH DISCOMYCETES, 
Growing on herbaceous stems; externally clothed 
8.( with strigose hairs .. -. nidulus. 
Growing on fern-stems ; exterior olive- brown .. Pteridis. 
Growing on rotten wood, citron-colour .. ..  ettricolor. 
Growing on leaves; exterior fulvo-rufous . dumorum. 
4 Growing on herbaceous stems ; exterior yellow cr or 
whitish ee . .. sulphurea. 
Growing on dead wood or bark oe Be .. 6 
Externally white; margin granulated oe .. papillaris. 
5. {Externally ferruginous ; disc pallid. . a ..  barbata. 
Externally nearly straw-colour os es «. varicolor. 
B. HAIRS OF CUP HYALINE. 
Hymenium watery- -umber .. ty ve .. dematiicola. 
Hymenium black... oe. a an -. melazantha. 
Hymenium pale red .. ae oe as +. méicacea. 
Hymeniumtawny . Berkeleii. 
Hymenium flesh-colour ; externally white or brick- 
red... albo-testacra. 
Hymenium white or very pale "yellow: on Humulus Tami. 
Hymenium yellowish; externally white: on we episphzriu. 
Hymenium white... es “ ‘ ame | 
Growing on Rubus... Ss he i .. candidata. 
Growing on wood es a es is oe, 1B 
. 4Growing on leaves... oe ae a Para: © 
Growing onrushes_ .. ee 23 .. fugiens. 
Growing inside husks of chestnut . js +. aranea. 
Exterior white; margin ciliated ; hairs long . 8B 
Exterior white; hairs short aud inconspicuous .. hyalina. 
Exterior whitish or yellowish, rough with ese scrupulosa. 
3. “pier hairs twisted spirally aa oa sporotricha. 
Marginal hairs spreading .. .. leuconica. 
Exterior greyish-white : on leaves of ‘Rubus -. @dema, 
Exterior white, when any yellowish: on leaves of 
4.4  Betulus ts araneo-cincta. 
Exterior white, nearly naked : on leaves of Epilu- 
bium .. a ae . an oe + 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- 
