490 Massee . — A Monograph of the genus Inocybe , Karsten. 
P. convex then expanded and broadly umbonate, fuscous, longitudinally streaked 
with darker fibrils, disc darker, edge paler, incurved, 6-iq cm.; g. rounded behind, 
adnexed, broad, pallid then pale umber ; s. straight or curved, sometimes twisted, 
fibrously striate, pallid and mealy above, darker below, 6-10 cm. long, 1-1-5 cm. 
thick; flesh dingy white; sp. elliptical, smooth, 9-12 x 6-7 ju.; c. absent. 
Under hornbeam. Britain. 
Resembling I. fibrosa in size, differing in the smooth spores and darker 
pileus. 
(Type specimen examined.) 
perbrevis, Karst., Hattsv., p. 462; Sacc., Syll. v, p. 777; Ag. ( Ino .) perbrevis , 
Cke., 111 ., pi. 519 ; Ag. perbrevis, Weinm., Hymeno- et Gastero-Mycetes Imp. Ross. 
Obs., p. 185 (1836). 
P. convex then expanding until almost plane, obtusely umbonate, often 
depressed round the umbo, fibrillosely silky or minutely squamulose, rufous-brown 
becoming tinged yellowish, margin fibrillose and often splitting, 1-5-3 cm.; g. slightly 
adnexed with a slight decurrent tooth, ventricose, rather distant, pale then tan-colour ; 
s. stuffed, often slightly narrowed downwards, pallid and white-fibrillose, 2-2-5 cm d 
sp. elliptic-oblong, apiculate, smooth, 8-9 x 4*5—5 /jl ; c. absent. 
Gregarious ; on the ground in woods, &c. Britain, Russia, Germany, Sweden, 
United States (N. Jersey, E. & E., N. Amer. Fung. ser. ii, 1903). 
A firm, compact little Fungus, recognized by the rufous-brown colour, short stem, 
and absence of cystidia. 
fuegiana, Sacc., Syll. ix, p. 101 ; Ag. (Ino.) fuegianus, Speg., Fung. Fueg. in 
Bob Acad. Nac. Cordoba, xi, p. 144, no. 25 (1887). 
P. hemispherical then piano-expanded, disc almost glabrous, not at all or slightly 
depressed, the remainder densely papillosely villose, chestnut or smoky-brown, edge 
entire wavy or undulate, 6 cm. ; g. sinuato-adnate, 1 cm. broad, rather distant, 
attenuated in front, greyisKbrown, edge quite entire ; s. short and thick, 5 cm. long, 
1 cm. thick above, 2 cm. thick below, straight fibrillose, white then smoky-brown ; sp. 
elliptical, smooth, ends obtuse, 10-12 x 5-6 /jl. 
In beech woods. Tierra del Fuego (Ushuvaia, Beagle Channel). 
Solitary. Allied to I. caesariata. 
Victoriae, Sacc., Syll. ix, p. 101 ; Ag. (Ino.) Vicioriae, Cke. and Massee, Grev., 
xvi, p. 72 (1888). 
P. convex then expanded and umbonate, whitish, viscid, glabrous, silky and 
shining, disc darker, 2-3 cm.; g. sinuate and adnexed then almost free, pale then 
umber ; s. almost equal, white, glabrous, stuffed, 3-5 cm. ; sp. elliptical, smooth, 1 1~ 
1 2 x 7-8 jjl ; c. absent. 
On grassy ground. Victoria (F. Reader, no. 26, with figs, and description). 
Very near to Hebeloma , but the pileus is distinctly silky-fibrillose. 
(Type examined.) 
holophlebia, Sacc., Syll. xi, p. 52; Agaricus (Ino.) holophlebius , Berk., in Herb. 
Grev., xix, p. 104. 
P. campanulate then expanded and umbonate, floccosely fibrillose, disc squamulose, 
fawn-colour or dull, pale yellow, 3-6 cm. ; g. adnate, broad, tan then brownish ; 
