- 1894. Didymium oculatum Lipp., Verh. Zo-Bot. Ges. Wien, XLIV., p. 74.
- 1910. Colloderma oculatum (Lipp.) G. List., Jour. Bot., XLVIII., p. 312.
Sporangia gregarious, globose, or sub-globose, sessile or short-stipitate, olivaceous or purplish-brown, smooth and shining, the outer peridium gelatinous, thickened by moisture, hyaline; stipe dark brown; columella none; capillitium as in Didymium purplish-brown, colorless at the tips; spores spinulose, fuscous, about 12 µ.
New Hampshire, Europe.
Our specimens from the late Dr. W. G. Farlow who collected it in New Hampshire. Swollen by immersion in water the sporangia take on an eye-like appearance, oculate, etc.
EXTRA-LIMITAL
Physarina von Höhnel.
- 1909. Physarina von Höhnel, Akad. Wiss. Wien; Math-nat. KL., CXVIII., p. 431.
Sporangium wall rough with blunt spine-like processes, otherwise as Diderma.
One species, op. cit., p. 432, P. echinocephala v. Höhn.