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Var. scabra, Schroeter, Kr. Fi. Sohles. (Pilze), p. 109. Threads
of capillitium with rigid spines, 1— 2 g long.
Silesia.
Var. spinosa, Schroeter, Kr. FL Schles. (Pilze), p. 109. Threads
of capillitium with scattered acute spines, 5— 0 g long.
Silesia.
Ophiotheca Wrightii, Berk, and Rav. (fig. 197).
Sporangia circular, much depressed, dehiscing in a ciroum-
scissile manner, or becoming aethalioid and irregularly veinlike;
wall bright or hlackish-hrown, smooth, with granules of
lime inside; mass of capillitium and spores bright, deep yellow,
sometimes with a flesh-coloured tinge; capillitium well developed,
forming a loose, irregular network, the threads are
densely and very minutely verruculose, and in addition are
furnished with numerous straight or flexuous sharp-pointed
spines, 2—4 g long; spores globose, minutely warted, 10—14 u
diameter.'
Ophiotheca Wrightii, Berk, and Curt., Linn. Jonrn., vol. x.,
p. 349.
Cm-nuvia Wrightii, Rost., Mon. App., p. 36 ; Sacc., Syll., vii.,
1, n. 1454.
Exsicc.—Fung. Cub. Wrightiani, 540.
(Type in Herb. Berk., Kew, n. 10888.)
On wood. Cuba ; Ceylon.
Very closely allied to 0. eircumseissa, more especially the
Var. spinosa, hut distinguished by the warted spores.
Ophiotheca irregularis, Mass.
Sporangia spherical, much depressed, rather convex above,
usually gregarious, dehiscing in an irregularly circumscissile
manner, wall bright-brown, containing lime inside; mass of
capillitium and spores bright yellow; capillitium well-developed,
forming a loose net, threads 3—4 g diameter, equally covered
with distinct slender spines '5—1 g long; spores globose, minutely
vcri-uculosc, 9— 11 g diameter.
Ophiotheca. 133
Perichaena irregtilaris, Berk, and Curt., Grev., vol. ii., p. 68;
Sacc., Syll., n. 1439.
(Type in Herb. Berk., Kew.)
On bark. Lower Carolina.
Sporanffia up to 1 mm. diameter, often much crowded and
consequently irregular in outline. Resembling Perichaena
depressa in general appearance, hut distinguished by the c irimot
spines uniformly and rather thickly scattered over the capillitium
threads.
O p h i o t h e c a n i t e n s , Mass.
Sporangia single or few gathered in clusters, globosc-pyriform,
sessile, or with a short stem, splitting irregularly, greyish-brown
with a fine violet tone of metallic lustre, '5 mm. broad. ;^all
single, almost without particles. Tubes of the capillitium long,
slightly branched, by irregular enlargements fastened to the
waU, unequally and very delicately spinulose, equally broad
throughout, 1—I'o g broad. Spores delicately spinulose, yellowis i.
hyaline, 10—1 2 /i diameter. mfr j- o r
Perichaena nitens, Raunkier, Myx. Dan., p. 107, t. .., t. 1 . ^
On hark of oak and fir, and on decayed leaves of pine.
Denmark (Sealand, Jutland).
B Threads of elaters with raised bands which may be short
a n d loart-lihc, or combined to form rings or a network.
O p h i o t h e c a r e t i c u l a t a , Mass. (figs. 199, 200).
Plasmodiocarp venulose, sinuous or anastomosing to form an
irreo-ular network, dingy ochraceous-umher, wall containing
numerous masses of lime inside; mass of capillitium and spores
pale ochraceous-umber; capillitium scanty, threads forming a
very loose network, 3 - 5 g thick, densely covered with short,
straight, or cumcd raised hands and rounded warts; spores
globose, with minute, scattered warts, 13—14 g diameter.
Licea reticulata, B. and Br.
Perichaena reticulata, Rost., Mon. App., p. 3 o ; baoo., byii.,
vii., 1, n. 1442.