CEPHALOZIA cATEst..ATA (Hiiben.) Spruce, On Cephalozia, 33.
1882.
Jungennannia catenulata Hiiben. Hepaticol. Germ. 169. 1834. Jungcnnannia reclusa Tayl. Lond. Jour. Rot. 5: 278. 1846.
Cephalo:a sen-ylora Lindb. Medd. Soc. Faun. et. Fl. Fenn. 1878.
Gametophyte a slender creeping stem with pale leaves which are incurved in drying so as to cause the stems to resemble a chain ; leaves subimbricate, slightly concave, oval-rotund, cleft one-half their length with a somewhat obtuse sinus and acute, more or less spreading divisions; leaf-cells 22-25 p in diameter: dioicous; perianth on a short branch, 1.3 mm. long, linear-fusi
form, widest below the middle, the mouth ciliolate; antheridia in he axils of the leaves of a short apical spike. Sporophyte a reddish oval-cylindric capsule borne on a short seta.
Somewhat common on the ground and on rotten wood from Newfoundland to British Columbia and probably southward, where it is often confused with the next species; also European. It was distributed by Austin in Hep. Bor. Am. 56.