12. STYLOSTEGIUM. Wils.
67. S. cæspiticium. B. & S. St. ¼–½in. densely tufted; branches fastigiate; l. somewhat falcate and secund, ovate-lanceolate, acuminate; per. l. larger with a sheathing base entire, nerve predominant; caps. roundish-pyriform glossy; lid obliquely beaked, adherent to columella.
Alpine rocks, in crevices. VII.