100. C. purpureus. Brid, St. ¼–2in. cæspitose, branched; l. oblong-lanceolate, margin recurved, nerve excurrent; caps. elliptic-oblong, irregular, purple, angular when dry on a purplish red seta; lid conical.
Banks, &c., common. IV. V.
101. C. cylindricus. B. & S. St. ¼in. gregarious; l. subulate from a dilated ovate amplexicaul base, flexuose, minutely toothed above, nerve predominant; caps. cylindrical, smooth, erect or slightly curved, on a pale slender seta; lid conical.
Sandy banks, not common. IV. V.
19. DICRANODONTIUM. Br. & S.
102. D. longirostre. B. & S. St. 1–3in. blackish; l. falcato-secund, subulato-setaceous from an ovate sheathing base, denticulate above on predominant nerve; caps. elliptic-oblong, smooth, on a thick curved or flexuose seta.
Mountainous woods, rare. X.
20. CAMPYLOPUS. Brid.
[The diagnoses of species are taken from Dr. Braithwaite’s Paper in Jour. of Bot. VIII., pp. 386–393.]