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466 LYCOPERDACEril Tulostoma
CXII. TULOSTOMA Pers.
(From the structure of the mouth of the peridium;
Gr. tulos, cartilage, stoma, a mouth.)
Peridium subglobose, dehiscing by an apical stoma, outer coat,
veil or cortex, deciduous, distinct from the at length elongate stem.
Threads of the capillitium swollen at the septa. (Fig. 128.)
F ig . 128.— Tulostoina mannnosMn Fr. Two-thirds natural size.
A, entire plant. B, sections, c, basidia, spores and thread o f capillitium. X looo.
2047. T. mammosum Fr. (from the breast-like peridium ; mamma, a
breast) abc .
V. universal, distinct at the base of Pe. and at the lower part of St.
Fe. globose, at first sessile or nearly so, stoma mammiform,
entire, ochre. St. equal, squamoso-fibrillose, ragged at the
base with remains of V., somewhat pale vinous-brown.
Amongst moss on old walls, dry banks, sandhills, etc. Oct.-Feb. 2®xf in.
There are two forms, brown, with a stout stem, and yellowish-white, with
a slender stem. Intermediate forms occur.
CXIII. QUELETIA Fr.
(After Dr. Lucien Quelet.)
Peridium subglobose, simple, stoma none, the wall breaking up
irregularly at maturity. Stem at length long, squarrose, the base of
the peridium breaking at the apex and forming a collar or veil,
borne on tetrasporous basidia. (Fig. 129.)
2048. Q. mirabiiis Fr. (from its unusual appearance; mirabiiis,
wonderful) a.
Qiieletia LYCOPERDACEZE 467
Pe. thin, even, glabrous, rigid, fragile, breaking away in irregular
patches at maturity, whitish, then dull greyish. St. subclavate,
fibroso-carnose, externally densely squarrose, whitish, brownish
towards base.
Gregarious. 6® X 2® in. At first wholly subterranean.
F ig. 129.—Queletia viirabilis Fr. One-half natural size, a , entire plant,
B, section, c , threads o f capillitium and spores. X 750.
CXIV. GEÄSTER Mich.
(From the star-like appearance of mature plants;
Gr. ge, the earth, aster, a star.)
Peridium at first continuous, consisting of three layers, the two
outermost—exoperidium—splitting from the apex in a stellate
manner, the inner layer—endoperidium—sessile or pedicellate, furnished
at the apex with one orifice, rarely more. Columella prominent,
rudimentary or obsolete. Capillitium dense. Terrestrial.
(Fig. 130.) Species 2049—2062
a. Myriostomatx. Endoperidium with many orifices. 2049
b. Monostomata. Endoperidium with a single orifice.
Endoperidium pedicellate. 2050—2054
Endoperidium sessile. 2055—2062
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