3 Dansk Botanisk Arkiv, Bd. 2, Nr. 3. 



in mixed foliaceous woods (Quercus, Fagus and Corylus) on 

 rich humus, often rather numerous, from med. Aug. to end 

 of Sept. 



2 b. A. phalloides Fr. forma citrina. 



Spores 8— 10 x 7 x / 2 — 8 u. Basidia 4-spored. Edge of gills set 

 with globular cells. 



Fig. specim.: Hjallese, copsewood, Sept. 1906. — Much rarer 

 than the olive-green form. — This is Ag. citrinus a Pers. 



3. A. porphyria (Alb. & Schw.). 



Spores globular, diam. 7 7 2 to 97 2 u. Ring formed of two strata, 

 the outer one fuscous, the inner while. 



Fig. specim.: Skørping, plantation of Picea, mossy ground. — 

 Rather rare, and often solitary, in woods of Picea (Jylland 

 and Fyn). 



4. A. (porphyria var.) recutita Fr. 



Spores globular, 87 8 — 9 1 /, X 77 2 — 87«, u. 



Fig. specim.: Marselisborg Skov near Aarhus, wood of Fagus, 

 several specimens, Oct. 1914. Seems to be rare. 



It is hardly a distinct species, only a slender and pale form 

 of no. 3, with smaller, more ovate bulb, paler, almost whitish 

 cap (here and there with patchy remnants of volva, and ring 

 pale yellowish on the outside). 



[The fungus described by Sev. Petersen (Danske Agaricaceer, 

 pag. 32) under the name of A. recutita has ovate-ellipsoid spores 

 and seems to be a form of A. excelsa. — My plant is the one 

 mentioned by Quélet & Bataille (loc. cit.) as A. recutita, by 

 Quélet (Enchiridion) made a variety of A. porphyria]. 



5. A. Mappa (Batsch). (A. citrina Schaeff.). 



Spores subglobose 87 2 — 9 x / 2 x 7 1 /»— 8 u. 



Fig. specim.: »Fruens Bøge« near Odense, foliaceous wood, 

 Sept. 1897. — Very common in woods of Fagus (even where the 

 soil is rather crusty and dry humus) and also in coniferous 

 woods. It is met with till late in the season (end of October). 



B. OVISPORÆ. 



6 a. A. muscaria (L.). 



Spores broadly oval, 972—1072 x 7—8 u. 



Fig. specim.: Skørping, wood of Picea, Sept. 1897. — Common, 

 often in great numbers, in (and just outside) coniferous planta- 

 tions and in woods of Betula (Sept. — Oct.). 



