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Arcyria affmiis, Rost., Mon., p. 276; Saoc., Syll., vii., 1, n. 1463.
On trunks. Sweden ; Germany.
(Rostafinski’s Synonyms.)
Arcyria vemiicularis, Schum., FI. Saell., n. 1475, teste Fr.
(1803).
Arcyria punicea, ß vermieularis, Fr., 1. c., iii., p. 178 (1829).
A r c y r i a c i n n a m o m e a , Hazsl.
Ginnamon-colour inside and out; sporangia gregarious, at
length distinct, cylindrical; stem equal to sporangium in length,
diaphonous-white; tubes of capillitium combined into a hexagonal
network, 3—4 g thick, with shmt, cylindrical, diaphonous
warts; spores cinnamon.
Arcyria cinnamomea, Hazsl., Just., Bot. Jahr., 1877, p. 156;
Sacc., Syll, vii., 1, 1477.
A r c y r i a d e c i p i e n s , Berk.
Gregarious, sporangia stipitate, ohovate, oohraceous, capillitium
free above, obovate, erect, with the mass of spores
ochraceous; spores globose.
Arcyria decipiens, Berk., Fung, of Darwin’s Voy., Ann. Nat.
H ist, V., 4, p. 447, t. 10, f. 3.
On palm stem. Rio Janeiro.
Habit of Trichia clavata, hut capillitium reticulated, and
thread without spirals (Berk.). No specimen exists in Berkeley’s
herbarium.
B. Hemiarcyria. Threads of capillitium with continuous
ridges spirally arranged.
§ Spores minutely warted.
A r c y r i a r u b i f o r m i s , Mass. (figs. 262—264).
Sporangia ohovafe-oUong, usually fasciculate on a common
or contorted stem of variable length, sometimes sub-globose
and sessile on a h y p o t h a l l u s , r a r e l y an irregular plasmodiocarp
hrown or almost Mack, polished and with a metallic lustre or
opaque; mass of capillitium and spores orangc-hrown; threads
of capillitium orange-brown, 8 - 9 fi thick, comhined into a
dense elastic net, which at maturity elongates considerably,
carrying the apical portion of the sporangium at its apex,
wheL I remains in the form of a cap. free tips numerous,
usually terminated by from one to three short, smooth spines,
rarely obtuse, spirals rather distant, furnished with
slender spines; spores globose, very minutely verruculose, 1 0 - 1 2 g
sporangia cylindrico-turbinate. dark-hrown,
opaque, or with a steel lustre, seated on a common fasciculate
""^ZZcssilis; sporangia sessile, cylindrical or suh-angular from
mutual pressure.
y. plasmodiocarpa; irregular, attached by a broad base to a
231; Cooke, Myx. Brit., figs. 201, 230. 231; Schroeter, p. 114;
Sacc., Syll, vii., n. 1512; Raunk., Myx. Dan., p. 63, t. 3, i lo.
t. 4, f. 6 ; Mass., Rev. Trich., p. 353. fig. 31 (m part).
Exsico.-Roum., Fung. Gall, 1686 ; Fckl. Fung^ Rhen 1438
(as Trivhia ruUformis)-, Cooke, Fung. B n t 612 as Trichm
Ncesiana)-, Jack, Leiner u. Sitz. Krypt. Bad., 421 {as Tmchia
rubiformis)-, Sacc., Myc. Ven., 962 (as TriAui p iM o ix iiff,
Hemiarcyria Bllisii, Mass., Rev. Trich., p. 3o4, f. 30; Karst.,
Fung. Fenn., 700. . • j i,
A widespread and very beautiful species, characterized by the
cylindrical or ohovate-oblong, brown, fasciculate sporangia, frequently
exhibiting metallic tints, and the dense orange-brown
capillitium of spinulose threads. The spores vary in marking
when magnified 1200 diameters from being almost peifectly
smooth, to minutely hut distinctly warted.
On rotten wood, moss, &c. Britain (Apetiiorpe, Weybndge,
Twycross, Birmingham, Bulmer, N. Yorks; Orton Mood,
Leicester; Wothorpe, Scarboro’, Carlisle); France; Germany;