JUNGEKMANNIACE/K. (sCALE-MOSSES. ) 7 1 .'j 



13. ODONTOSCHISMA, Dumort. (Vl 24.) 



Leaves succulwus, ovate or rouiidisli, (.-ntire or retuse, rarely bidentate; 

 underleaves minute, sometimes obscure or wanting. Dia-cious or sometimes 

 mouuicious. Fruit terminal on a short brantli from the lower side of the 

 stem. Involucral leaves few, 3-ranked, bifid or rarely 3-4-cleft; perianth 

 large, triangular-fusiform, ciliate or dentate. Calyptra membranous. Cap- 

 sule cylindric-oblong. Antheridia in small whitish spikes on the under side 

 of the stem. (Name from 65ovs, a tooth, and axi^ixa, a eh ft, alluding to the 

 perianth.) 



1. O. Sphagni, Dumort. (PI. 24.) Leaves spreading or ascending, 

 ovate, roundod or oblong, entire or retu.se, subconcave ; underleaves mostly 

 wanting; perianth 3-6 times longi-r than the leaves, subulate-fusiform, la- 

 ciuiatc or ciliate. (Sphagntecetis comnmuis, iVees.) — Among mosses, N. J. 

 to 111., and southward. (Ku.) 



2. O. denud^ta, Lindb. Stems densely rooting, somewhat leafless at 

 base, flagellate, branching above ; leaves sjjreading, broadly ovate, entire ; 

 underleaves broadly oval, entire or subdenticulate ; perianth close-conuivent 

 above, at length bursting irregularly. — On rotten wood, Canada to Uhio, and 

 south along the mountains. (Ku.) 



14. KANT I A, S.F.Gray. (PI. 24.) 



Leaves large, iucubous, flat or convex, entire or retuse ; underleaves small, 

 roundish, the apex entire, retuse or bifid. Dioecious or monacious. Involucre 

 pendulous, subterranean, clavate or subcylindric, fleshy, hairy, attached to 

 the stem by one side of its mouth. Calyptra memJjranous, partly adnate to 

 tlie involucre. Capsule cylindric, the valves spirally twisted. Sp<jres miimte, 

 roughish. Antheridia solitary in the reduced leaves of short lateral branches. 

 (Name from ./. Kant, a physician at The Hague.) 



1. K. Trich6manis, S. F. Gray. (PI. 24.) Creeping, without ventral 

 runners; leaves ])ale green, imbricate, spreading, roundish-ovate, obtuse. 

 (Calypogeia Trichomanis, Corda.) — On the ground and rotten logs; very 

 common. (Eu.) — Var. kivulAris, Aust. Leaves dusky green or blackish, 

 more scattered, flaccid; cells large. N. J. (Austin.) — Var. tenuis, Aust. 

 Very slender, innovate-branching; leaves smaller, especially above, dimidiate- 

 ovate or subfalcate, subdecurrent. Southern N. J. (Austin). 



2. K. SuUivantii, Underw. Prostrate, with ventral runners ; leaves 

 flat, subcontiguous or imbricate, obliquely round-ovate, miimtely 2-toothed 

 with a lunulate sinus, abruptly decurrent ; cells large, uniform ; underleaves 

 minute, the upper orbicular, bifid, the lower twice 2-lobed, the prinuiry lobes 

 round-(juadrate, divaricate, the secondary ovate or subulate. (Calypogeia 

 SuUivantii, Aust.) — Delaware Water (Jaj), N. J. (Austin). 



15. SCAPANIA, Dum..rt. (PI. 24.) 



Leaves coujplicate-bilobed, the upj)er lobe smaller, the lower succubous ; 

 margins entire or dentate or ciliate ; underleaves none. Dia'cious. Fruit 

 terminal. Involucral leaves like tlie cauline but more equallv lobed ; jieri- 

 anth obovate, dorsally compressed, bilabiate, the mouth truncate, entire or 

 toothed, decurved. Capsule ovate. Elaters long, attached to the middle of 



