84 



revolutis yel erect.s, mtegris vel subintegris, nervo crassiusculo, superne niulto tenuiore, infra summum 

 ap.cem foli. evan.do, cellulis laxis, oblongo-hexagonis, parce ohlorophyllosis, basilaribus rectangularibus 

 .nfimis rubris margmalibus angust.s, limbum uni- vel pauciseriatum ettormantibus. Caetera ignota' 

 Oberes LIavetal, Bachrand, alt. 4200 m, No. 4844. 

 Species Br. Schleichen Schwaegr. affinis, sed föliorum forma et nervo infra üpicera folii evanido 

 dignoscenda. 



352. Bryum (Pseudotriquetra) philonoteum Broth. n. sp. 



Dioicum; gracilescens, caespitosum, caespitibus densis, lutescenti-viridibus, interne fusees- 

 centibus nitidiusculis vel opaeis; oanlis ereetus, usque ad 2 cm longus, inferne fuseo-radiculosus 

 dense fol.osus, Simplex vel ramosus, ramis elongatis, erectis, filitormibus, microphyllinis instructus- 

 f 1 1 a sicca et hum.da arcte imbricata, ovato-lanceolata, ca. 1,5 mm longa et ca. 0,55 mm lata, elimbata' 

 margmibus u tra medium angustissime revolutis, integris, nervo crassiusculo, superne tenuiore, breviter 

 excedente, cellui.s elongate rhomboideis, basUaribus laxioribus rectangularibus, rubris. Caetera ignota 

 Oberes Chocayatal, alt. 4200 m, No. 3582; oberes LIavetal gegen Tunari, alt. 4400 m' 

 No. 4943. ' 



Species ßr. Schleichen Schwaegr. affinis, sed statura graciliore, foliis arcte imbricatis, ovato- 

 lanceolatis, cellulis elongate rhomboideis dignoscenda. 



353. Bryum (Argyrobryum) challaense Broth. n. sp. 



Dioicum; robustiusculum, caespitosum, caespitibus densis, sordide viridibus, opacis • c a u 1 i s 

 ereetus, usque ad 1 cm vel paulum ultra longus, parce radiculosus, dense clavato-foliosus simple'x- f o 1 i a 

 sicca et humida arcte imbricata, concaviuscula, infima minuta, dein sensim accrescentia, superiora late 

 ovata obtusmscula, ca. 0,95 mm longa et ca. 0,57 mm lata, marginibus erectis, integerrimis, nervo crassius- 

 culo lutescente, contmuo vel subcontinuo, cellulis rhomboideis vel hexagono-rhomboideis, parce ohloro- 

 phyllosis, inferioribus ad marginem in Seriebus plurimis quadratis. Caetera ignota 

 Challa, alt. 3800 m, No. 2574. 



Species cum Br. argenteo L. comparanda, sed föliorum forma et struetura dignoscenda 



354. Bryum argenteum L. 



B. capillipes C. M. 



Auf bloßer Erde an der Waldgrenze über Tablas, ca. 3400 in, No. 2946; auf Erde zwischen 

 Felsen am Cerro Chaneapiüa, ca. 4900 m, No. 3303, etc. häufig 



355. Bryum (Argyrobryum) albidum Broth. n. sp. 



Dioicum; gracilescens, caespitosum, caespitibus laxiusculis, sericeo-albidis- c a u li s ereetus 

 cum mnovationibus vix ultra 5 mm longus, basi radiculosus, dense toliosus, innovationibus 3-4 brevibus' 

 erectis; f Ol, a imbricata, concava, ovato-oblonga, acuta, marginibus erectis, integerrimis nervo tenui' 

 ad medium fohl evanido, cellulis lineari-rhomboideis, superioribus angustissimis, hyalinis basilaribus 

 lax.s,parenchymaticis, parce chlorophyllosis ; seta ca. 2 cm alta, tenuissima, flexuosula rubra- theca 

 subhorizontalis, minuta, e collo brevi, ruguloso ovalis, deoperculata macrostoma, fuscidula.' Caetera 



Incaeorral, alt. 2200 m, No. 4990. 

 dignoscS." ''"'''" ^" "'"""' ™'' '""""' *^''"'' "^"""^""^ ''™""' '"^ ^"""'•""^ f"™-» ™Pt™ 

 356. Bryum (.argyrobryum) subsericeum Broth. n. sp. (Tafel VI, Fig. 5 a und b). 



Dioicum; tenellum, caespitosum, caespitibus laxis, pallide viridibus, 'subopacis- caulis 

 ereetus cum mnovationibus vix ultra 5 mm longus, basi lusco-radiculosus, dense foliosus, innövationibu 

 2-3, brevibus, erectis; folia imbricata, concava, ovalia vel obovata, breviter acuminata a 1^1" 

 marginibus erectis, mtegerr.mis, nervo lutescente, in aristam strictam, mtegram excedente, cellulis tner' 

 elongate rhomboideis, inanibus, basilaribus laxis, quadratis, parce chlorophyllosis; s e t a ca 1 5 cm aX' 

 tenuis, flexuosula, rubra; theca horizontalis vel nutans, cum collo sporai^gio aequiLgo cLa ' 



