jrUNGERMANNIACE.*:. (sCALE-MOSSES.; 715 



16. DIPLOPHYLLUM, Dumort. (PI. 25.) 

 Leaves rather narrow, complicate-bilobed, the lobes subequal or the upper 

 smaller, the lower succubous ; uuderleaves noue. Fruit teriiiiual. luvolu- 

 cral leaves few. Feriauth cylindrical, scarcely or not at all compressed, pluri- 

 plicate, denticulate. (Name from Snr\6s, double, and (pvKKov, leaf, on account 

 of the folded 2-lobed leaves.) 



1. D. albicans, Dumort., var. taxifolium, Nees. Stems ascending, 

 almost rootless; leaves closely folded, subdenticnlate, with a rudimentary 

 pellucid line near the base or noue, the lobes obtuse or acutish, the lowei 

 3blong-scymitar-shaped, the upper smaller, subovate ; perianth ovate, plicate. 

 (Jungermauuia albicans and J. obtusifolia of Sulliv. ; not of L, and Hook.) — 

 Under rocks in mountain ravines and on the ground. ( Eu.) — The typical 

 form occurs in N. Scotia, distinguished by a broad pellucid medial 3ine L 

 both lobes. 



17. GEOCALYX, Nees. (Fl. 23.) 



Leaves succubous, bidentate; uuderleaves 2-cleft, with linear divisions. 

 Fruit lateral, pendent. Involucre simple, fleshy, saccate, oblong, truncate, 

 attached to the stem by one side of the mouth. Calyptra membranous, 

 partly adnate to the involucre. Capsule oblong. Elaters free. Antheridia 

 in the axils of small leaves on spike-like lateral branches. (Name from y4a, 

 the earth, and /caA.u|, a cup, from the subterranean involucres.) 



1. G. grav6olens, Nees. Leaves ovate-quadrate, 2-toothed, light green ; 

 Anderleaves oval-lanceolate, cleft to the middle. — On the ground, and rotten 

 logs ; not rare. (Eu.) 



18. LOPHOCOLEA, Dumort. (Fl. 23.) 



Leaves succubous, dorsally decurrent, obliquely ovate-oblong, broadly trun- 

 cate or bidentate ; uuderleaves smaller, more or less quadrate, bifid or with 

 4-8 capillary lobes. Dioecious or monoecious. Fruit terminal on the main 

 stem or primary branches. Involucral leaves 2-4, large, often spinulose; 

 perianth triangular-prismatic, 3-lobed, ciliate or laciniate. Calyptra short, 

 obovate, at length lacerate above. Capsule oblong-globose. Antheridia 

 mostly solitary in or near the base of ordinary leaves. (Name from xScpos, 

 a crest, and KoXeSs, a sheath, from the crested perianth.) 



* Uuderleaves mostly bifid (or 3-4-cleft in n. 1) ; divisions mosthj entire. 



1. L. bidentata, Dumort. Stems 1-2" long, procumbent, sparsely 

 branching ; leaves pale green, ovate-triangular, acutely 2-tootlied, tiie teeth 

 oblique with a lunulate sinus ; monoecious ; perianth oblong-triangular, lacin- 

 iate ; antheridia 2 - 3 in a cluster, axillary. — On rocks in shady rills ; not com- 

 mon. (Eu.) 



2. L. Austini, Lindb. Creeping; leaves uniformly deeply lobed, the 

 lobes and usually the sinus acute ; uuderleaves comparatively small, the lobes 

 subulate ; cells small ; monoecious ; antheridia solitary in the upper axils. (L. 

 minor, Aust.; not Nees.) — On roots of trees in woods {Austin). Imperfectly 

 known. 



3. L. Macounii, Aust. Stems very short, prostrate, ascending at the 



apex, deuselv radiculose ; leaves suberect, ovate-subquadrate. 2-lobed with ob« 

 "ai 



