Hymenogaster and related genera.pdf - MykoWeb

646 ANNALS OF THE 'MISSOURI BOTANICAL GARDEN
[VOL. 21
Among roots of coniferous and deciduous trees in botanical
gardens. Italy and France. Spring and summer.
ExSIscA: Cavara, Fung. Longobard. 109.
ITALY: Lombardia, Pavia, F. Cavara, Fung. Longobard. 109, type distribution
(Mo. Bot. Gard., N. Y. Bot. Gard., and Farlow).
FRANCuE: Alpes Maritimes, Antibes, Poirault (Farlow).
12. HYMENOGASTER fragilis Zeller & Dodge, sp. nov.
Fructificationes siccatae 1-2 cm. diametro metientes, subsphericae vel pyriformes,
albidae vel griseae, sordidae vel " cinnamon-buff " siccatae, basis sterilis prominens
(ut in Lycoperdon) magnis cum cavitatibus, superficie laevi, floccosa vel sericea;
peridium fragilis, hyalinum vel subluteum, stuposum, homogeneum, 130-160 ,
crassitudine superne, 50-100 / crassitudine inferne; gleba siccata "pecan-brown,"
cavitatibus magnis; septa fragilia, hyalina, 25-40 / crassitudine, stuposa; basidia
non visa; sporae brunneae, late fusiformes vel ellipsoideae, apiculo parvo, vel
obtuse subeitriformes et pedicellatae, subasperatae vel subverrucosae, 11-12 x 7-8 /A.
Type: at Farlow Herb.
Fructifications drying 1-2 cm. in diameter, subspherical or
pyriform,whitish or gray, drying dirty white or cinnamon-buff;
sterile base well developed, with large cavities, resembling the
stipe of Lycoperdon; surface even, floccose or silky; peridium
fragile, hyaline or slightly yellowish, stupose, homogeneous,
130-160 /j thick above, sometimes 50-100 u thick below; gleba
drying pecan-brown, with large empty cavities; septa fragile,
hyaline, 25-40,u thick, stupose; basidia not seen; spores brown,
ovoid, broad-fusiform to ellipsoid or obtusely subeitriform with
a small apiculus and pedicel often inequilateral, verrucose with
a flaking utricle, 11-12 x 7-8 .
California and southern Chile. February and March.
The spores resemble those of Arcangelielta Campbellae but
are much larger.
CALIFORNIA: H. E. Parks 2182 (Univ. Cal).
CHILE: Magellanes, Punta Arenas, B. Thaxter F. H. 1, 4, type, Feb. and March,
1906 (Farlow).
13. HYMENOGASTER CITRINUS Vittadini, Monogr. Tlberac. 21.
1831; -Tulasne, Ann. Sci. Nat. Bot. II. 19: 374. 1843; Fung.
Hypog. 69. 1851; Berkeley & Broome, Ann. & Mag. Nat. Hist.
I. 13: 346. 1844; Fries, Summa Veg. Scand. 436. 1849; Winter
in Rabenhorst, Krypt.-Fl. Deutschl. ed. 2. 1: 875. 1883; De