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Lamproderma Fuchclianum, Kost,, Mon., p. 207; Sacc., Syll.,
vii., 1, n. 1347.
Germany.
Distinguished more especially by the reticulated epispore.
Lamproderina lycopodii, Raunk.
Sporangia single, globose, sessile, on a violet-brown hypothallus.
Wall, columella, capillitium, and spores violet-brown.
The lower part of the wall remains, with irregular, tattered
margin. Columella cylindrical, nearly reaching half the height
of the sporangium. Capillitium originating singly from the
upper part of the columella, in continuation forked more and
more, especially at the surface of the sporangium, combined
into a net by transverse branches, extremities rather colourless,
Spores 12—IS g diameter, on the surface furnished with a
delicate network of fine thickenings.
Lamproderma Lycopodii, Raunk., Myx. Dan,, p. 108 (in
English).
(Raunkier’s Synonyms.)
Stemonitis cribraricides, Fries, Syst. Myc., iii,, p. 163; Sacc.,
Syll, vii,, 1, no. 1370.
Gribraria Lyccperdi, Nees, in litt.
On the leaves of Lycopodium annotinuni.
Sealand.
E nerthenema, Bowm.
Sporangial wall very thin, fragile, soon disappearing; stem
continuing as a columella quite through the sporangium and
expanding at its apex into a discoid membrane from which the
capillitium originates; capillitium of slender, sub-equal threads
which bifurcate and anastomose more or less laterally, tips free;
spores free or at first in clusters.
Enerthenema, Bowman, Trans., Linn. Soc. (1828), xvi., p. 151 ;
Rost., Mon., p. 209; Oooke, Myx. Brit,, p. 51; Raunk,, Myx.
Dan., p. 92; Saco., Syll, v. 7, p. 402.
A well-marked genus, characterized by the capillitium
originating solely from the peltate, flattened apex of the columella;
capillitium dense, threads coloured, thin, sub-equal,
branching in a diehotomous or irregular manner, main branches
frequently connected by transverse bars, tips free; that is, not
comhined into a net, but evidently in many instances showing
indications of having originally been attached to the inside of
the evanescent sporangial wall. Connected with the typical
structure met with in the Oolumelliferae by Raunkier’s genus
Ancyrophorus, which agrees with Enerthenema in having the
columella dilated at the apex, hut the capillitium originates
from the columella throughout its length as well as from the
disc, and the tips of the threads are not so decidedly free from
anastomosing as in the present genus.
Distrib. Europe; United States; New Granada. Sp. 3.
♦
Enerthenema elegans, Bowm. (figs. 302—304).
Sporangia globose, with usually a minute apical umbo, wall
very thin, brownish, iridescent, fugitive; stem thick, conical,
blackish-brown, opaque, continuing as a thin columella quite
through the sporangium and supporting the pendulous capillitium
from its apical disc, threads of capillitium broion, sub-equal,
2-5_ 3 g thick, often minutely and irregularly nodulose; spores
globose, free from the first, very indistinctly verruculose, 8— 10 g
diameter.
Enerthenema elegans, Bowman, Linn. Trans. (1828), xvi.,
p. 151, t. 16 ; Rost., Mon., p. 209, figs. 45, 48, 49, 52, 57.
Enerthenema papillata, Rost., Mon., App., p. 28; Cooke, Brit,
Myx., p. 51, figs. 45, 48, 49, 52, 57; Sacc., Syll, no. 1378;
Raunk., Myx. Dan., p. 92, t. 5, f. 7.
Britain (Wothorpe, Carlisle, E dinburgh); Germany; Finland;
United States.
On wood and bark. From lA to 2 mm. high, wall of sporangium
disappearing very early, hence the plant is usually
met with having the capillitium streaming from the discoid
apex of the columella.
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