Bd. IV: 3). LA FLORE BRYOLOGIQUE. 149 
Ile Hoste: baie Orange (Exped. WILRES). Ile Hermite (HOOKER). Ile des Etats: 
Port-Cook, mt. Richardson, Rocher des Pingouins, Cap Collnet (SPEGAZZINT); 
Port-Cook (SKOTTSBERG, n? 103). 
Iles Falkland (HOOKER); Port-Louis (SKOTTSBERG, n°s 229, 230). 
Distrib geogr. Georgie du Sud, Kerguelen. 
Var. minor Dus. in Rep. of the Princeton Univ. Exped. to Patag., VIII, 
P- 97- 
Patagonie australe (HATCHER). 
B. leucocolea CarD. Not. prelim., in Bull. Herb. Boissier, 2me ser., V, p. 1006. 
Synoica. Cespites densi, superne glauco-virides, intus tomento rufo dense obruti. 
Caulis simplex vel parce divisus, erectus, rigidulus, 3—5 centim. longus, valde radi- 
culosus, rhizoidis papillosis. Folia parum conferta, e basi subvaginante albida, ap- 
pressa, valde distincta, in laminam subulatam, tam_ siceitate quam madore stricte 
patentem abrupte constricta, undique divergentia, 4,5—5,5 millim. longa, 0,6—0,75 
lata, marginibus basi integris, superne serrulatis, costa depressa, male limitata, distincte 
excurrente, cellulis basis angustis, Jinearibus, hyalinis, laevibus, parietibus teneris, 
membranaceis, superioribus minoribus, anguste rectangulis, linearibus, parietibus trans- 
versis prominentibus utraque pagina papillosis. Folia perichaetialia longiora, usque 
$ millim. longa. Capsula in pedicello rubello, 18—27 millim. longo, inclinata, asym- 
metrica, ovata, superne convexa, basi rotundata, fusca, sicca sulcata, 2—2,5 millim. 
longa, 1,25—1,5 lata, operculo ignoto. Peristomium duplex, exostomii dentibus 16, 
rubentibus, laevibus, nunc longe acuminatis, nunc truncatis, membrana basilari palli- 
diore orificium excedente conjunctis, intus 15—17 lamellis praeditis, dorso linea 
divisurali pro more distincta; endostomium imperfectum, exostomio adhaerens. Sporae 
fuscae, minute papillosae, diam. 30—45 u. 
BI, 
In littoribus. 
Terre-de-Feu: Ushuaia (SKOTTSBERG, n° 104). 
Distrib. geogr. Georgie du Sud. 
Observ. Se distingue du 2. patens Brın. par ses feuilles plus larges, plus courtes 
et plus espacdes, A base blanche tres apparente. 
B. oreadella C. MürLr. Bryol. Austro-Georg., p. 305 (sep. 29). 
Var. microphylla CARD. Not. pre@lim., in Bull. Herb. Boissier, 2me ser, V, 
P- 1006. 
A forma typica foliis minoribus, 2,5-—-3 millim. longis, magis tenuiter subulatis, 
minus denticulatis saepe subintegris distinguitur. 
Terre-de-Feu: mt. Martial, au-dessus d’Ushuaia, reg. alpine, alt. 1135 m. (SKOTTS- 
BERG, n° 15 zu parte). 
Distrib. geogr. Georgie du Sud. 
