Astomum Sullivantii Moss
Habit and habitat.-In fields and gardens, living from year to year.Name.-The specific name Sullivantii was applied to this moss by Wilhelm Philipp Schimper, in honour of William, S. Sullivant, a noted bryologist.
Plant (gametophyte).-Minute, simple, or branched.
Leaves.-The lower leaves small, narrowly oval; the upper narrowly lance-shaped, densely tufted, covered on the back with tiny projections papillosa; curled in various directions when dry: apex pointed: margins rolled in; vein round, extending beyond the apex of the leaf-blade (percurrent).
Habit of flowering.-Male and female flowers on the same plant (monoicous).
Veil (calyptra).-Split up one side.
Spore-case.-Bright orange, symmetrical.
Pedicel (seta).-Shorter than the spore-case.
Lid (operculum).-Short, conical.
Teeth (peristome).-None.
Spores.-Bright, rusty brown, mature in autumn.
Distribution.-North America.