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CXXVI. HYSTERANGIUM Vitt.
(From the shape; Gr. hustera, the womb, aggeion, a vessel.)
f ] Peridium more or less separating from the gleba in drying. Gleba
cartilagineo-glutinous, cavities at first empty. Spores 2- 3, seldom
more, smooth. (Fig. 143.)
Characterised by the elongate elliptical smooth spores and the
cartilaginous-mucous consistency of the gleba, which resembles
^*§•^43*— Aj B , Hystera u g i^im 9iephritictiin Berk., entire and in section. X f .
c , basidia and spores. X 660.
that of lthyphallus and Clathrus in the young state. There is
frequently a copious development of mycelium. Species 2106, 2107
2106. H. nephritieum Berk, (from a fancied resemblance to a
kidney when seen in section; Gr. nephros, the kidneys) abc .
Irregularly globose, more or less indented. Pe. somewhat thick,
firrn, elastic, tomentose, white, becoming pale rufous when
bruised. Gl. pale blue or grey, here and there greenish, cells
irregular, minute, radiating from the base.
Commonly 8-9 in. deep in the ground. Odour at first slight, then like
Hypmcmn, at last like decaying puff-balls. Woods. Sept.-Feb. | in.
2107. H. Thwaitesii B. & Br. (after George Henry Kendrick
Thwaites) abc.
Irregularly globose, more or less indented. Pe. membranous,
slightly silky, white, becoming rufous when bruised.
Commonly 8-9 in. deep in the ground. Woods. Aug.-Oct. J in.
CXXVII. RHIZOPOGON Fr.
(From the tuberous growth with the attached fibres;
Gr. rhiza, a root, pogon, a beard.)
Peridium thick, subcoriaceous or submembranous, continuous or
cracked and somewhat evanescent, with vein-like branched fibres
F ig . 144.— A , B , Rhizopogon rubescens T u l., entire and in section. X f .
c , basidium and spores. X 660.
traversing and partially adnate to the surface ; substance of gleba
firm, cavities at first empty. Spores 2- 7. (Fig. 144.)
Species 2108, 2109
2108. R. rubeseens Tul. (from its becoming vinous rose-colour when
bruised ; rubescens, becoming red) abc.
Irregularly subglobose or ovate. Pe. silky, white, when mature
yellow, olive or warm-brown. Gl. at first white, then yellowish,
greenish or brownish.
Somewhat superficial but often some inches deep. Odour acid, when yourig
like sour ham, at length nauseous-fetid. Sandy fir-woods, plantations rn
very light peaty or fibrous soil, amongst pines. Oct.-Dec. Diam I f in.
Var. Berkdeyamis W. G. Sm., Melanogaster Berkeleyanas Br., smaller and
highly fetid.