Arri/rlti. if]3 



Arcyria stipitata, Mass. 



Sporangia pyriform, from 2—5 on a common stem, or solitary, 

 pale kmon-yellou; opaque; stem elongated, equal, dark hrown 

 hlack, longitudinally rugulose; mass of capillitium and spores 

 dingy ochre ; capillitium dense, much hranched and forming a 

 net without free tips, threads 4—5 // thick, s^nrals very open, 

 rather distant, thin, not prominent; spores globose, minutely 

 warted, 7 — 8 )a diameter. 



a. genuina. Sporangia single on an elongated stem. 

 13. fascieulata. Sporangia fasciculate on a common stem. 

 Eemiarcyria stipitata, Mass., Rev. Trich., p. 354, fig. 32. 

 On palm stems. Java. 



(Type in Herb. Berk., Kew.) 

 Scattered or aggregated, 3—4 mm. high, stem about 2 mm. 

 long, thin, hollow. Capillitium elastic, protruding after dehis- 

 cence. Allied to Arcyria clavata, but distinct in the dense 

 capillitium without free tips, the loose spirals, and the long, 

 thin, black stem. 



Arcyria Wigandii, Mass. 



Sporangia clavate, discoid, or irregularly subrotund, very 

 small, almost sessile, mass of spores and capillitium hay or 

 flcsh-eolcur, verging on yellow ; elaters rarely branching, spirals 

 one or two, flcrnous, either separated hy interspaces from three to 

 four times their oivn width, or croivded and almost forming rings, 

 tips scarcely narrowed, truncate and inflated ; spores minutely 

 verruculosc, 10 — 11 ju, diameter. 



Eemiarcyria Wigandii, Rost., Mon., p. 2(i7, fio-. 232 ; Sacc, 

 Syll., vii., 1, no. 1517; Cooke, Myx. Brit., fig. 232; Mass., Rev. 

 Trich., p. 356. 



Germany. 



(Rostafinski's Synonym.) 

 Trichia ahietina, Wigd., 1, c, p. 33, t. 2, f 11 (18(j3). 



