Pl. cell. fol. 15. HEPATIC/K. 336. Jungermannia. 699 
d. Stem compressed; leaves 2-rowed, equally 8 or 4 cut ; 
stipules 0. 
16. Jungermannia incisa. Cut jungermann. 
Stem lying down, depressed, seldom branched; leaves 
rather 4-sided, wavy, 3-cut, lobes toothed in places; fruit 
terminal; calyx reverse-ovate; mouth contracted, toothed. 
Jungermannia incisa, Schard. Samml. 2,5; Hooker Jung. 10; Eng. Bot. 
On bogs, moors, and moist places on mosses. 
17. Jungermannia capiiata. Headed jungermann. 
Stem lying down, seldom branched; leaves rounded, 
4-sided; lower 2-cut; upper 3 or 4-cut; fruié terminal; 
calyx oblong, ovate, rather plaited; mouth contracted, 
toothed. 
Jungermannia capitata, Hooker Jung. 80; Engl. Bot. 
On bogs and dry mountainous places. 
e. Siem compressed ; leaves 2-rowed, nicked or 2-cut ; 
stipules 0. 
18. Jungermannia curvifolia. Curve-leaved gungermann. 
Stem lying down, branched starwise; /eaves roundish, 
very concave, 2-cut; lobes pointed, bent; fruié terminal, 
on very short branches; calyx oblong, slightly plaited ; 
mouth slightly contracted, toothed. 
Jungermannia curvifolia, Dickson Crypt. 2, 15; Engl. Bot. 1304; 
Hooker Jung. 16. 
Jungermannia birostrata, Schleicher Cent. 3, 59. 
On alpine rocks and decayed wood. 
19. Jungermannia connivens. Connivent jungermann. 
Stem lying down, branched starwise; /eaves round, con- 
cave, tip nicked, crescentlike; fruit terminal, on short 
branches; calyx oblong ovate; mouth contracted, fringed. 
Jungermannia connivens, Dickson Crypt. 4,19; Hooker Jung. 15. 
On damp shady places; April and May. 
20. Jungermannia byssacea. — Byssus jungermann. 
Stem lying down, branchwise; leaves nearly 4-sided, 
bluntly 2-cut, lobes pointed; fruit terminal; calyx oblong, 
plaited; mouth open, toothed. 
Jungermannia byssacea, Roth Cat. Bot. 2,158; Hooker Jung. 12. 
Jungermannia bifida, Schmidel Icon, 250. 
Jungermannia divaricata, Engl. Bot. 719. 
On sand-hills and exposed heaths. 
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