BOT.-VOL. I.] HARKNESS— CALIFORNIA N HYPOGMI. 263 



57, Genea arenaria, sp. nov. 



Minute, color light brown, subglobose, lobed, verrucose, cavernous; gleba 

 white, attenuate; asci linear, 8-spored; spores roundly ellipsoidal, 24X 18^; 

 paraphyses brief and not plentiful. 



Type, No. 42, Harkness Coll. 



In sandy ground. No locality or date. 



58. Genea hispidula Berk. 



Genea hispidula Berk., in Tul, Fungi Hypo., p. 121, Tab. XII, fig. 2, et 

 Tab. XIII, fig. 3- 

 Small, brown, externally invested everywhere with rather rigid, adpressed, 

 brown flocci; interior cavity very often simple, with the mouth almost hid- 

 den; radical fibres brown, adhering to the base; spores large, ellipsoid; 

 warts thick and crowded. (Cooke's Handbook, Vol. II, p. 748.) 



No. 115, Harkness Coll. 



Beneath the surface of the ground under trees, San 

 Rafael, Marin County, Calif. , May. Under oaks, Wire 

 Bridge, Placer County, Calif., April. 



59. Genea verrucosa Vitt. 



Genea verrucosa Vitt., Monog. Tub., p. 28, Tab. II, Fig. 7. 



Very irregular and polymorphous, gibbous, sulcate, or also somewhat 

 many-lobed, black, verrucose ostiolate; ostiola sometimes very broad, rad- 

 ical filaments abbreviated; sporidia broadly elliptic, verrucose. (Cooke's 

 Handbook, Vol. II, p. 748.) 



No. 70, Harkness Coll. 



Amongst decaying leaves under trees, Santa Cruz, Santa 

 Cruz County, Calif., May. 



60. Genea sphaerica Tid. 



Genea sphcerica Tul., Fungi Hypo., p. 120, Tab. IV, Fig. 2; Tab. XII, 

 Fig. I, et Tab. XIII, Fig. 6. 

 Regularis et quasi perfecte sphaerica, interdum depressa, atra glabra, verru- 

 cosa, comam ferrugineam siccam spissam longissimamque basi gerens, apice 

 perv'ia, intus varie labyrintheo-cavernosa, rarius vacua et penitus utriformis. 



No. 89, Harkness Coll. 



