CLAVIS AGARICIKOIIUM. 319 



Subgenus 23. Naucoria, Fr. Syst. Myc. vol. i. p. 260 (Plate ClI. 

 fig. 23). — Spores various shades of brown, dull or bright; veil absent, 

 or attached to the edge of the pileus in young plants in the form of 

 minute flakes ; pilens convex and at first incurved, smooth, flocculeut 

 or squamulose ; stem cartilaginous, confluent with, but heterogeneous 

 from the hymenophorum. — Hab. Terrestrial or epiphytal. 



No subgenus includes so many dissimilar species as this. In size, 

 structure, the nature of the veil, and the colour of the spores, they 

 differ exceedingly. Naucoria corresponds with CoUybia, Plate C. fig. 

 7; Leptonia, Plate CI. fig. 16; and Ps/Zocy/v^, Plate CIII. fig. 30. 

 The species figured is A(/aricus (Naucoria) semiorbicularis. Bull. 

 Spores -0005" X -00032". 



Subgenus 21-. Galeka, Pr. Syst. Myc. vol. i. p. 264 (Plate GTI. 

 fig. 24). — Spores ochraceo-ferruginous ; veil often wanting, when pre- 

 sent fibrous and fugacious ; pileus more or less campauidate, margin 

 straight, at first adpressed to the stem ; stem cartilaginous, fistulose, 

 confluent with but heterogeneous from the hymenophorum ; gills ad- 

 nate, or with a decurrent tooth exactly as in Mycena, Plate C. fig. 8. 

 Galera also corresponds with Nolauea, Plate CI. fig. 17 ; Psatliyra, 

 Plate cm. fig. 31; and PA'fl%re/Z«, Plate CIV. fig. 34. The most typical 

 species is perhaps Ayaricua splutgnorum, Pers., with broad gills and 

 decided sinus, but from its rarity I prefer to figure the common A. 

 tener, Schtelf. — Hab. The greater number of species are terrestrial. 



The species are not numerous, and most are slender and brittle, 

 appearing in the autumn. The species figured is Af/uricus (Galera) 

 tener, Schccft". Spores -00054" x -0003". 



Subgenus 25. Tubaria, subgen. nov. sp. Naucoricn, Pr. (Plate CII. 

 fig. 25). — Pileus generally depressed, at first v/ith an incurved mar- 

 gin ; stem cartilaginous, hollow, confluent .Avith but heterogeneous 

 from the hymenophorum ; gills decurrent. 



As in Eccilia, there are very few known representatives of this 

 position, either British or foreign, and the note appentlcd to OmphuUu 

 applies equally to Eccilia, Tubaria, and Deconica. As at present con- 

 stituted, some species of OnipJtalia are never depressed, but have a 

 pileus more or less hemispherical or even obscurely umbonate from the 

 first ; the same applies to Deconica. The analogous species of Tu- 

 baria falling to this place arc given in the list. 



The species figured as a type is A. (Tubaria) farfuraceus, P. ; it is 



