L. ROMELL, HYMENOMYCETES OF LAPPLAND. 9 
For the opportunity of comparing authentic specimens of 
PERSOON, FRIES, SOMMERFELT, BERKELEY and KARSTEN I am 
indebted to the Curators of the herbaria of these authors. 
Boletus. 
Of this genus I saw four species only: chrysenteron, rufus, 
secber and variegatus. 
B. chrysenteron. 
Noted only from Pessijokk, where two specimens were found. 
B. rufus. 
At Kalixfors, where this species was common, I noticed 
that the flesh, when exposed to the air, turns reddish, sometimes 
with a lilac or violaceous tint, after I—5 minutes. In specimens 
of B. scaber I could not trace such a staining even after an hour, 
and I therefore cannot but agree with QUELET, when he refers 
Fries’ Sv. Atl. Sv. t. 14 to this species rather than to B. scaber. 
I must add, however, that both this and other characters dis- 
appear with age so that old specimens are often difficult to dis- 
tinguish. — That Scuarrer’s t. 103 belongs here, as FRIES 
and others presume, can scarcely be doubted. ScH#FFER’S 
wrong drawing of the spores must of course not be taken account 
of; nearly all his spore drawings are wrong, the optical means 
of that time being insufficient for the purpose. 
B. scaber. 
This species occurred everywhere, also above the tree limit. 
As all common species it varied in color, habit and size. At 
Pàlnoviken I saw a variety with exactly the same brown color 
as that of Boletus edulis. Both there and at Jebrenjokk occured 
another variety with scaly pileus much reminding of Psalliota 
augusta. Whether this latter variety really belongs here or to 
B. rufus I did not make out, however. 
B. variegatus. 
At Tornetrask and Kalixfors. 
