JUNGEBMANIA. 331 



porpUyrolenca (N.). — Fig-. 1. Leaves x 17 (After G-ottsche, G. k 

 R n. 288). 2, 3. Sub-bracts x 17 (ditto). 4, 5. Bracts x 17 

 (ditto). 6, 7. Ditto (Sweden, Lindberg). 8. Perianth x 17 

 (After Ct. in G. &; R. 288). Jmigprmania ventricosa, var. White- 

 headii {Jmiff. IFIiifeheadii, Pears. MSS). 9. Leaf x 24 (Wood- 

 head, J. AVhitehead). 10, 11. Sub-bracts x 24 (ditto). 12, 13. 

 Bracts X 24 (ditto). 



20. Jungermania alpestris, Schleicli. 



Jungermania alpestris, Schleicher, Exsicc. 2 cent. n. 59 (1804 ?) ; Web. Prod. 



p. 81 (1815). 

 Jimgermania sudetica, Nees in Hueben. Hep. Germ. p. 142 (1834). 

 Jungermania Goejyertiana, Hueben. Hep. Germ. p. 254 (1834). 

 Cephalozia alpestris, Cogn. Hep. Belg. p. 35 (1872). 



Dioicous, growing in flat, closely entangled, often spreading 

 tufts, or straggling amongst mosses, small, from green, when 

 young, to reddish-yellow, brown or dark brown in colour. Stems 

 suberect, simple or furcately branched, brown, when old dark 

 brown, serpentine, flexuose, somewhat rigid ; radiculose, rooting 

 up to apex of stem, rootlets close, pale brown, often reddish or 

 reddish-purple. Leaves obliquely semi-vertically inserted, hori- 

 zontal, spreading or secund, sub-complicate and semi-amplexicaul 

 near the apex of fertile stems, antical margin slightly decurrent^ 

 imbricate or approximate, gemmiparous, roundish-ovate, ovate or 

 subquadrate, concave, bidentate, sinus v^ide, very shallow (y\p to 

 \ deep), obtuse, segments unequal, acute or obtuse ; texture firm, 

 epidermis smooth, cells smallish, 4-, 5-, and 6 -sided, roundish- 

 quadrate, trigones very small but distinct, marginal cells slightly 

 thickened and quadrate. No stipules. Bracts larger and broader 

 than the stem leaves, roundish, margin entire or slightly irregular, 

 bifid from -i^ to \, sinus acute or obtuse, not so wide. Bracteole 

 simple. Ungulate or rarely oblong and slightly retuse, connate 

 with the adjoining bract or rarely free. Perianth terminal, pro- 

 jecting about ^ beyond the bracts, oblong or oval, smooth, slightly 

 obtusely folded near the apex, mouth obtusely complicate, margin 



