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HEPATICAE 425 



irregularly at apex. Capsule pedicellate. Perigonial leaves like the 

 cauline, concealing antheridia in their saccate dorsal bases. Stem- 

 leaves succubous, decurrent on the back of the stem, rather hori- 

 zontal ; rootlet* from the base only of the deeply 2-cleft amphi- 

 gastria. 



1. C. pOlyimtllOS, Corda. [Many-flowered] : Stems procum- 

 bent ; leaves ovate-quadrate ; involucral leaves 2, slightly 2-toothed ; 

 perianth 3-lobed, the lobes short and nearly entire. Rocks, &c. 



TRIBE 2. GEOCALYCE X AE. 



5T2. GEO'CALYX, Nees. 



(Gr. Gea, the earth, and Galyx ; the fructification becoming subterranean.] 

 Involucral leaves none. Perianth fleshy, glabrous, attached by one 

 side of its mouth to the stem, pendulous. Calyptra membranaceous, 

 free. Capsule pedicellate, 4-valved, the valves narrow, straight 

 (not twisted), striate, finally spreading. Antheridia on spike-like 

 lateral branches, in th axils of scale-like perigonial leaves. Stem- 

 leaves succubous. 



1. r. graveolens, Nees. [Strong -scented] : Leaves light green, 

 ovate-quadrate, 2-toothed ; amphigastria oval-lanceolate, 2-cleft to 

 the middle ; perianth subterranean. On the ground. 



TRIBE 3. TRICHOMANOFDEAE. 

 5T3. CALYPOGErA, Raddi, 



[Or. Kalyx, flower- or fruit-cup, & hypogaia, under ground; descriptive of plant.] 

 Involucral leaves none. Perianth oblong, saccate, truncate, fleshy, 

 hairy, attached by one side of its mouth to the stem, pendulous. 

 Calyptra membranaceous, partly connate with the perianth. Capsule 

 pedicellate from the bottom of the perianth, oblong, twisted, the 

 valves narrow and contorted. Antheridia on short lateral capitate 

 branches, one in each of the scale-like perigonial leaves. Stem-leaves 

 incubous, entire or 2-toothed. Amphigastria 2-cleft. 



1. C. Triclioimillis, Corda, [Fern] : Leaves roundish-ovate, 

 obtuse, spreading, imbricated; perianths imbedded in the soil. 

 Moist, springy places. Foliage delicate, pale glaucous-green. 



574. >IASTIGO X BRYUM, -Nee*. Great Scale-Moss. 



[Gr. Mastix, a whip-lash, and Bryon, Moss; from its rootlet-like runners.] 

 Fructification terminal, on short proper branches, arising from the 

 axils of the amphigastria. Involucral leaves small, narrow, acutely 

 incised at apex. Perianth elongated, triangular, the mouth 3-toothed. 

 Calyptra membranaceous. Capsule pedicellate. Antheridia on short 

 branches from the axils of the amphigastria, 2 in each perigonial 

 leaf. Stem-leaves incubous, imbricated, oblique, usually 3-toothed 

 at apex. Stems 2 to 3 inches long, forked and sparingly branched, 

 the branches obtuse ; rootlet-like runners, furnished with minute 

 leaves, proceeding from the axils of the amphigastria. 



1. M. trilob&tum, JVeea. [Three-lobed]: Leaves olive-green 

 and brownish-yellow, ovate, antrorsely gibbous at the dorsal base, 

 broad and acutely 3-toothed at apex ; amphigastria 4- to 6-toothed, 

 the teeth denticulate. On damp ground. 



