62 
Mas see, —A Monograph of 
LYCOPERDEAE. 
Peridium double, rarely single, spores forming a powdery 
mass when mature and mixed with a well-developed ca- 
pillitium. 
Trichogastres , Fr., Syst. Myc. iii, p. 3 ; Berk., Outl. p. 298 
(in part). 
Diplodermeae , Sacc., Syll. vii, p. 60 (in part). 
Bovista, Dill. 
Peridium double, external layer (cortex) fragile, deciduous, 
rarely remaining in the form of adnate warts, inner layer 
smooth, dehiscing by a definite or irregularly torn apical 
orifice ; capillitium dense, threads usually much branched, 
sometimes sparsely septate, smooth, tips tapering ; sterile 
basal stratum absent ; spores globose or elliptical ; epispore 
rough or smooth. 
Bovista , Dill., Pers., Disp. p. 6 ; Link, Diss. i, p. 32 ; Fries, 
Syst. Orb. i, p. 138 ; Fries, Syst. Myc. iii, p. 21 (all in part) ; 
Mass., Rev. Bovista, p. 1 ; Sacc., Syll. vii, p. 96 (in part). 
Lycoperdon , Vitt, Mon. Lycop. (in part). 
Globaria , Quel, Champ. Jur. et Vosg. p. 361 (in part). 
For remarks on the affinities of Bovista see Lycoperdon . 
A. Spores Elliptical .. 
Bovista ovalispora, Cke. and Mass. (Fig. 62). Sub- 
globose, sessile, cortex whitish or ochraceous, breaking 
away in patches above, subpersistent towards the base ; pe- 
ridium thin, flaccid, smooth, dull lead-colour, dehiscing by 
an apical irregular rupture ; capillitium and spores umber in 
the mass; threads 12-16 \ a at thickest part, much and 
vaguely branched, tapering to long slender tips, walls thick, 
dirty umber, spores elliptical, brownish umber, with a 
narrow hyaline border, pedicels long, stout hyaline, 6 x 4-5 /a. 
Bovista ovalispora , Cke. and Mass., Grev. xvi, p. 46 ; 
Mass., Revis. Bovista, n. 34 ; (Type in Herb. Kew). 
On the ground. Kew Gardens !— Nelson (New Zealand); 
Carolina (U. S. A.). 
