LACHNELLA. 



255 



SECTION II. SESSILE. 



SUBGENUS III. LACHXELLA. Fries (in part). 



Cups sessile, pilose or villose, for the most part firm 

 and dry, at first closed and globose, then more or less 

 expanded and hemispherical. (Plate VIII. figs. 47, 48.) 



Name \a\vij, down. 



ARRANGEMENT or THE SPECIES. 



A. Hairs of cup coloured. 



(a) Sporidia elliptic or oblong. 



(a) Paraphyses filiform or absent . . species 37, 33 



(7>) Sporidia fusiform or clavate. 



( a ) Paraphyses filiform or absent 39-49 



(/j) Paraphyses acerose . . . . 50-52 



B. I laii-s of cup hyaline. 



(a) Sporidia elliptic, oblong, or subcymbiforra. 

 (a) Paraphyses filiform or absent. 



(i.) Cups coloured .. .. ,, 53-.~>i 

 (ii.) Cups white or greyish-white 55-59 



(&) Sporidia fusiform or clavate. 



(a) Paraphyses filiform or clavate. 



(i.) Cups coloured . . . . 60-G2 

 (ii.) Cups white or greyish-white 63-GG 

 (/J) Paraphyses acerose. 



(i.) Cups coloured . . . . 67 

 (c) Sporidia cylindrical .. .. ,, 08 



0. Position doubtful . . . . . . . . ,, 69-71 



KEY TO THE SPECIES. 



A. HAIRS OP THE CUP COLOURED. 



Hymenium brownish-olive ; hairs long 

 Hymenium purplish-brown ; hairs very short 

 - Hymeuium pale rufous 

 Hymenium brown .... 

 Hymenium yellow 

 Hymenium cinereous 

 Hymenium white or pallid . . 

 , (Growing on herbaceous stems 

 ' \Growing on wood or bark 

 Hymenium pale spadicious; exterior spadicious, 



densely tomentose 

 Hymenium rufous, exterior refescent, floccoso- 



tomentose 

 Hymenium smoky-brown; exterior brown; sporidia 



becoming 1-septate . . 

 ^Hymenium brown ; exterior furfuraceo-tomentose. . 



prasma. 



Schumacheri. 



Stock ii. 



1 



4 



esoharodes. 



5 



2 



3 



spadicea . 

 corticalis. 



canescen s. 

 grisella. 



