266 Mas see. — A Monograph of the Geoglosseae. 
bicolor. Entire plant about 6 cm. high ; head narrowly 
lanceolate, brown; stem wavy, channelled. 
multiforme. Fungus i~2 cm. high ; pileus clavate, capitate, 
or pileate, dingy brown ; stem whitish. 
globosa. Plant 3-5 cm. high ; head globose ; stem slender, 
every part dark bay. 
V. Entirely whitish or pallid. 
sclerotiorum. About 1 cm. high ; springing from a 
sclerotium. 
VI. Plant entirely black. 
microspora. Plant 3-6 cm. high ; stem not tinged olive. 
arenaria. Plant 2-4 cm. high ; stem squamulose, tinged 
olive. 
partita. Ascigerous portion tongue-shaped, more or less 
divided. 
Mitrula purpurascens, Massee. (PL XII, Fig. 27.) 
Caespitose or gregarious, entire fungus 3-6 cm. high, dry, every part 
blackish or blackish-brown, with a distinct reddish-purple sheen, be- 
coming almost black when dry, imperfectly hollow, flesh dingy purple ; 
ascigerous portion glabrous, variable in form, cylindric-ovate, clavate, 
or irregularly lobed and deformed, often laterally compressed, 1-2 cm. 
long, up to 1 cm. broad, often much smaller; stem subcylindrical, 
minutely squamulose. Asci clavate, apex narrowed, pore blue with 
iodine, 80-100 x 10 fx; spores 8, irregularly 2 -seriate above, i-seriate 
below, hyaline, smooth, 3-5-guttulate, and becoming 3-septate, 
narrowly cylindric-fusoid, ends narrowed, often slightly curved, 
24-30x5 paraphyses slender, septate, tips clavate, brownish. 
Syn. — Geoglossum purpurascens , Persoon, Comm. Fung. Clav. 39, 
1 797 * 
Geoglossum atropurpureum , Pers., Obs. Myc. ii, 62, t. 3, f. 5, 1799 ; 
Fries, Syst. Myc. i, 490, 1821 ; Cke., Mycogr. 10, f. 16, 1879. 
Clavaria mitrata , Holmsk., Fung. Dan. i, 21, with an excellent 
1799. 
