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MUSCI. 



Tribos II. HEDWIGIE.E Sch. 



Genus I. HEDWIGIA Ehrh. 

 I. II. slbbevoluta C. Mull, sub Pihtricho in Syn. II, p. i65. 



Ad saxa, prope Malpays dela Joya (Schiede); sine loco natali (Ehrenberg) 



Genus II. HEDW1GIDIUM Br. et Sch. 



I. II. sqlarrulosum Br. et Sch. (Neckera sphcerocarpa C. Mull. Syn. II, p. 10 



Mejico (G. Ehrenberg in herb. Montague). 







Genus III. BRAUNIA Br. et Sch. 



1. B. sbcunda Br. etSch., C. Mull, sub Neckera in Syn. II, p. io3. 



In montibus apricis, juxta Toluca, ad imum montem apice perpetua nive obtectura (Humboldt et Bowland in 

 herb. Mus. Par.); in saxis prope Malpays de la Joya (Schiede, sept. 1829); in aliis locis (G. Ehrenberg, Andrieuj 

 in herb. Montagu e ) ; in saxis, San Pedregal, prope San Geronimo, aug. 1 865 (Bourg. n° 687); prope Santa 

 Fe, in valle Mexicensi (Bourg. n° 1329). 



2. B. Andrieuxh /. c. — Monoica; caespites laxi elongali, plantae vage ramosae, stolonibus microphyilis 

 deelinatis, radicanlibus. Caulis densifolius, foliis siccis erectis imbricatis , udis reflexis, horizontalibus baud 

 secundis. Folia late ovato-acuminata, apice obtuso eroso, distincte longitudinaiiler plica ta, margine erecto 

 hand reflexo. Flores masculi discoidei, antheridiis et paraphysibus piurimis. Folia perigonialia late ovato- 

 apiculata apice erosa, interna minima. Folia perichaetialia vaginantia longe lanceolata, maxime longitudina- 

 liter plica ta, apiculo sensim attenuate erecto eroso. Capsula in pedicello glabro dextrorsum torto, elliptica, 

 sub ore constricta. 



B. sciuroidi simillima, differt autem foliis perichaetialibus angustioribus longioribus, dislinctissime longi- 

 tudinaliter plicalis, floribus masculis discoideis, foliis perigonialibus omnibus apiculatis apice erosis. A li. 

 nwcropelma jam foliorum forma, a B. Liebmanniana jam capsula longe distal. 



In monte San Felipe, prope Oajaca (Andrieux). 



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3. B. Liebmanniana Sch., C. Mull, sub Neckera in Syn. II, p. 068. 



In monte Orizabensi (Liebmann); in sylva del Desierto Viejo, nov. 1 865 (Bourgeau). 













Tribus III. PTYCHOMITRIE/E Sch. 



Genus I. PTYCHOM1TRIUM Br. et Sch. 



1. P. lepidomitrrm Sell. , C. Mull, sub Brachysteleo in Sijn. I, p. 767. 



In monte Orizabensi (Liebmann, Galeotti n° 6972 in herb. Mus. Par.); in valle Mexicensi, prope San 

 Nicolas (Bourg. n° 1 353). 



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2. P. Reichexbachianum Ltz sub Brachysteleo in Pug. nov. spec. exot. . . — P. polyphyllo pioximum, a 

 ipio autem differt habitu graciliore (haud, ut in illo, subscopario), foliorum cellulis minuliorihns, ma-is in- 

 crassatis, margine in apice argutius serrato, pedicello brevi, capsula anguste cyiindracea, apice calvplra 



scabro. 



Ad urbem Mejico (Schmitz). 



3. P. serratum Sch., C. Mull, sub Brachysteleo in Syn. I, p. 768. 



In monte Orizabensi (Liebmann). 



