erect or slightly curved above, becoming thicker downwards and
expanding into a small hypothallus; spores pale yellow brown,
globose, smooth, 7—8 g diameter.
On wood and twigs. Ceylon.
(Type in Herb. Berk., Kew, no 10871.)
Gregarious, 3—8'6 mm. high, superficially resembling Cri-
hraria microcarpa, but distinguished from this and all other
species by the small, funnel-shaped calyculus with the very
long, tapering, marginal teeth. The spores sometimes show a
tendency to granulation under a high power.
* * Networ'k not thickened at the angles.
Gribraria mierosoopica, B. and C.
Sporangia broadly obovate or globose, stipitate, calyculus
occupying almost the lower half of the sporangium, without
rib-like thickenings, permanent ribs of upper portion thin, equal,
without granules, not incrassated at the angles, combined to form
large, irregular polygons of about equal size; stem about equal
in length to sporangium, erect, brovmish umber: spores globose,
smooth, 6—7 g diameter.
Crih-aria microscopica. Berk, and Curt., Grev., Vol. ii., p. 67;
Sacc., Syll., 1406.
(Type in Herb. Berk., n. 10175.)
On shingles. South Carolina.
Scattered, about 1 mm. high, stem about equal to sporangium
in length, expanding a t the base into a minute hypothallus.
Every part dingy ochraceous. Distinct from C. minima in the
absence of thickened nodes in the network of the sporangium.
Gribraria tatrica, Racib.
Sporangia globose, rufous-brown, stipitate, stem obscure
rufous, straight; lower part of sporangium persistent, forming
a calyculus with the margin irregularly crenato-dcntate; persistent
thickenings of upper portion of sporangium about equal,
not thickened at the nodes ; spores yellow, globose, smooth, 6—f g
diameter.
Gribraria tatrica, Racib., Hedw., 1885, p. 170; Sacc., Syll.,
n. 1407.
On rotten wood. Hungary (Tatra).
Sporangia f —1 mm. diameter, stem 2 mm. long.
Gribraria rufa, Rost. (f. 103).
Sporangia broadly obovate or sub-globose, stipitate, orange-
rufous, calyculus well-developed, occupying one-third m- more
of the sporangium, furnished with radiating ribs, which extend
above and combine to form a more or less regular net not
thickened at the angles; stem brown, often with a purple tinge,
elongated, erect, attenuated upwards, expanding at the base
into a small hypothallus; spores pale brown, often with a
decided purple tinge, smooth, 5—7 g diameter.
Gribraria rufa, Rost., Mon., p. 232, f. 15; Cke., Brit. Myx.,
p. 58, f. 15; Schroeter, p. 105; Sacc., Syll, n. 1404; Raunk.,
p . 49, t. ii., f. 5.
On wood. Britain (Epping, Carlisle, Linlithgow); Germany;
Sweden; Denmark.
Gregarious, 2—3 mm. high.
(Rostafinski’s Synonyms.)
Stemonitis rufa, Roth., El. Germ., 548 (1788).
Gribraria rufesccns, Pers. disp., t. i., f. 5 (1797).
Gribraria fulva, Schrad., t. i., f. 1 (1797).
Gribraria intermedia, Schrad., t. i., f. 2 (1797); Berk, and
Br., Ann. Nat. Hist., no. 1601.
Trichia rufesccns, Poir., Ency., viii., no. 31 (1808).
Sub-Gen. Homoderma. Calyculus absent.
* Network thickened and forming nodes at the angles.
Gribraria microcarpa, Rost. (f. 134—136).
Sporangia globose, smaU, erect or cernuous, stipitate, calyculus
absent, primary ribs of network radiating from apex of stem as
elongated, broad bands, anastomosing laterally and fcn-ming
elongated meshes passing upwards into an irregular network of