710 JUKGERMANNlACEiE. (SCALE-MOSSES.) 



lobed. Calyptrasmall,obovate, deeply trifid. Capsule large, globose. Elaters 

 free. Spores large, muriculate. Antheridia iu the bases of leaves of a short 

 terminal spike. (Named for William Herbert, an English botauist.) 



1 . H. adunca, S. F. Gray. Stems long aud slender, erect, brownish, nearly 

 simple ; leaves aud uuderleaves almost alike, curved and one-sided, the lobes 

 iauceolate. (Sendtnera juniperina, Sidliv.; not JVees.) — On rocks. Green- 

 wood Mts., N. J., Catskill Mts., N. Y., and probal)ly northward. (Eu.) 



9. BAZZANIA, S. F. Gray. (PI. 24.) 



Leaves incubous, oblique, decurved, mostly truncate-tridentate ; underleaves 

 wider than the stem, mostly 3- 4-toothed or crenate. Dioecious. Fruit on a 

 short branch from the axil of an underleaf= Involucral leaves much imbri- 

 cate, concave, orbicular or ovate, incised at the apex ; perianth ovate-subulate 

 or fusiform, somewhat 3-keeled. Calyptra pyriform or cylindric-oblong. Cap- 

 sule oblong. Autheridial spikes from the axils of uuderleaves. (Named for 

 3f. Bazzani, an Italian Professor of Anatomy.) 



1. B. trilobata, S. F. Gray. (PI. 24.) Creeping, dichotomous, prolifer- 

 ous ; leaves ovate, the broad apex acutely 3-toothed ; uuderleaves roundish- 

 quadrangular, spreading, 4 - 6-toothed above ; perianth curved, cylindric, pli- 

 cate at the narrow apex and 3-toothed. (Mastigobryum trilobatum, Nees. 

 M. tridenticulatum, Lindenb.) — Ravines, wet woods and swamps; Common 

 and variable. (Eu.) 



2. B. deflexa, Underw. Stems forked or alternately branched ; leaves 

 strongly detiexed, cordate-ovate or ovate-oblong, falcate, the upper margin 

 arcuate, the narrow apex 2 - 3-toothed or entire ; uuderleaves roundish-quad- 

 rate, the upper margin bifid, crenate, or entire ; perianth cylindric, arcuate, 

 plicate above and denticulate. (Mastigobryum deflexum, Nees.) — On rocks 

 in the higher mountains eastward. (Eu.) 



10. L E P I D 6 Z I A, Dumort. (PI. 24.) 



Leaves small, incubous, palmately 2-4-cleft or -parted; uuderleaves simi- 

 lar, often smaller. Dioecious or rarely monoecious. Fruit terminal on short 

 branches from the under side of the stem. Involucral leaves small, appressed, 

 concave, 2-4-cleft; perianth elongated, ovate-subulate or narrowly fusiform, 

 obtusely triangular above, entire or denticulate. Calyptra included, pyriform 

 or oblong. Capsule oblong-cylindric. Spores minute, smooth or roughisho 

 Antheridia large, pedicelled, solitary in the axils of 2-cleft spicate leaves. 

 (Name from X^iris, a scale, and o^os, a shoot, for the scale-like foliage.) 



1. L. r^ptans, Dumort. (PI. 24.) Creeping, pinnately compound, the 

 branches often flagellate; leaves decurved, subquadrate, 3 - 4-cleft ; involucral 

 leaves ovate, truncate, unequally 4-toothed ; perianth incurved, dentate. — On 

 the ground and rotten wood, N. J., and common northward. (Eu.) 



2. L. setacea, Mitt. Leaves deeply 2 -3-cleft or -parted, incurved, the 

 lobes subulate, formed of a somewhat double series of cells ; uuderleaves sim- 

 ilar; perianth ciliate. (Jungermannia setacea, Web.) — On the ground and 

 rotten wood ; common. Resembling the next in its leaves, but smaller and 

 browrish. (Eu.) 



