MABSUFELLA. 389 



8. Marsupella nevicensis [Carri)/(/(oit), Kaalaa-s. 



Jumjermania nevicensis, (Jarr. in C. &, P. Hep. iJrit. Exsicc. ii. 85 (1870); 



Carrington in Trans. Bot. Soc. Edinb. (1880). 

 Sarcosci/phas capillaris, Limpr. in Jaliresb. Schles. Gesellsch. vater]. Cult. 58, 



p. 182 (1880) {vide Kaalaas). 

 Jli/l/robiella nevicensis (Carr.), Spruce on Cephalozia, p. 77 (1882). 

 Xardia latifolia, Lindb. ap. Soc. F. FJ. Fenn, die 2 Deer. (1882). 

 Marsupella latifolia, Lindb. in Meddel. soc. F. FJ. Fenn. 1:'., p. 288 (1886). 

 Mars'iqjella nevicensis (Carr.), Kaalaas, Leverm. Norge, p. 117 (18'Jo). 



Dioicous, cnespitose, flagelliferous, small, pale green, here and 

 there with a slight reddish tinge, when dry a dull yellow colour, 

 Stems simple or slightly branched, flexuose, scorpioidal at the 

 apex, naked below, 12 cells in diam., cortical cells '24, rather 

 larger than the inner ; rootlets wanting or extremely sparse, 

 reddish-purple tinge. Leaves distant, alternate, small, scarcely 

 broader than the stem on sterile specimens, vaginate, upper ones 

 erect, roundisli-ovate, lower erecto-patent, ovate, subquadrate, 

 complicate-concave, rounded at the base, or subcordate, apex boat- 

 shaped, J to ^ acutely bidentate, lobes acute, sinus acute ; cells 

 small, 4-, 5-, and 6-sided, walls moderately thick but weak, without 

 trigones in the British imperfect specimens, in perfect ones fully 

 developed trigones distinct. No stipules. Bracts larger than 

 the leaves, suborbicular to subquadrate, bifid to almost the middle, 

 segments acute, sinus acute. Perianth small, delicate, hidden in 

 the bracts, and adnate to about the middle to them, mouth 

 laciniate, sterile pistillidia surrounding base of calyptra. Androecia 

 terminal on main stem, 2, 3 pairs of leaves, imbricate, roundish, 

 bifid to ^, complicate, ventricose, enclosing 1 or 2 large, oval 

 antheridia. 



DniENSioNs. — Stems h to | inch long, l mm. to '2 mm. diam. 

 leaves "ob mm. x -."jO mm., '375 mm. x '35 mm., "7 mm, x 

 •7 mm., segments "2 mm. ; cells •0125 mm., '015 mm., '017 mm., 

 •02 mm., '02 mm. x '03 mm.; bract r mm x "D mm., seg, 

 ■5 mm.; perigonial bracts "5 mm. x b mm., seg. "15 mm.; 

 antheridia '15 mm. x '125 mm. 



