70 
4a4.—Arcyria nutans Fr. <A. flava Grev. t 309. Sow t 260. 
Batheaston, on rotten wood, Out of 6 British, we have 4 
species. 
GENUS 92. OPHIOTHECA.* CVRREY. 
Peridium simple, bursting longitudinally. Capillitium two-fold, 
one consisting of delicate, hyaline threads, to which the spores 
are attached ; the other of echinulate, thicker, branched filaments. 
1.—Ophiotheca chrysosperma Currey. Mic. Journ. IL, p. 240, 
t 9, Cooke, Handbook, p. 402, fig. 91. Batheaston, on 
rotten cabbage stalks. The only species. 
GENUS 93. TRICHIA.t Hall. 
Peridium simple, persistent, membranaceous, bursting irregularly 
above. Threads spiral. 
1.—Trichia rubiformis. P. Bull, t 502, f. 1. Cord. Icones, f. 
288. Batheaston, on rotten wood. 
2.—Trichia pyriformis Hofm. Sow t 279, Hoffm Crypt t 1, 
f. 1. Langridge. 
3.—Trichia clavata P. Sow t 400, f. 6. Common on rotten 
wood. 
4,—Trichia fallax P. Bull t 417, f. 2. Nees fig. 113. 
5.—Trichia serotina Schrad. Schrad Journal, 1779, t 3, fig. 2. 
Leigh Woods, Bristol. H. O. Stephens, Esq. 
6.—Trichia cerina Ditmar. Sturm Deutschlands, fl. 1, t 25. 
Batheaston, on rotten stumps. 
7.—Trichia nigripes P, Bull t 417, f. 2. Common. 
8.—Trichia chrysosperma D.C. Bull t 417, f. 4. Common. 
9.—Trichia turbinata With. Sow t 85. Common. 
10.—Trichia flagellifer B and Br. “Annals of Nat. Hist.,” 
No. 1,143, t 2, fig. 4. Out of 14 British species we can 
claim 10 of this genus. 
* Ophiotheca, from Ophis, a serpent and theke, a receptacle, alluding to 
the flexuous peridium. 
+ Trichia, from thrix, a hair, 
