105 



Trocliohryum 



novum genus Seligeriacearum 



auctoribus 



J. Breidler et 0. Beck. 

 (Cum tabula III.) 



(Vorgelegt in der Versammlung am 6. Februar 1884.) 



TroeJiobryum nov. gm, 



Plantae humiles, Seligeriae generis speciebus affinitate proximae. Folia 

 e basi brevi laxe areolata, costa jprocurrente longe subulata. Capsula in seta 

 crassa, subsphaerica, pachyderma, cöllo brevi indistincto suffulta sicca de- 

 pressa, deoperculata subdisciformis vel piano -infundibuliformis. Peristomii 

 dentes 16, aequidistantes, hygroscopici, latiusculi, sine linea divisurali. Oper- 

 culum coliimellae adnattim, apiciäatum. Calyptra cucullata, 

 Trochobryum cavniolicum u. sp. 



Caespites humiles, laxi, fuscescentes. Gaulis e basi subprocumbeyde 

 erectus, 2— 3 mm. altus, simplex vel dichotomus, oUgophyllus. Folia inferior a 

 parva, late lanceolata, laxe areolata, tenuiter costata; superiora subito accre- 

 centia, e basi lanceolata, ovali vel obovata, in apice emarginata, subito in 

 i'hulam teretem, laevem, longissimam (ad 6 mm. longam), deflexam, costa pro - 

 currente eff'ormatam, producta; lamina laxe areolata, dilute fuscescens, cellulis 

 inanibus, inferioribus et intermediis elongatis hexagono-rhomboideis — supe- 

 rioribus minoribus, abbreviatis, subhyalinis. Folia perichaetialia summis cau- 

 Imis forma similia, basi vaginante ovata, in apice plurimum emarginata vel 

 subcordata et ibidem irregidariter crenulato-dentata, costa excurrente raptim 

 d longissime flaccido-subulata, areolis luminae tenuioribus, superne hyalinis. 



Flor es monoici; masculus gemmaceus, in ramulo basilari terminalis, 

 fuliis perigonialibus externis caulinis similibus, basi concava, duo intimis 

 fusco-luteis, cochleariformiter concavatis, breviter acuminatis, tenuiter costatis. 

 Äntheridia 6—8, sine paraphysibus. 



Fructus: Vaginula brevis (0 3 — 0'37 mm. longa), basim versus atte- 

 tiata, paraphysibus paucis brevibus vel nullis. Seta 3 mm. alta, crassa (diam. 

 <J l4—0'16 mm.), e basi curvata arrecta, rufescens, sicca leniter ad sinistram 

 torta. Capsula collo brevi indistincto insidens, cum operculo subsphaerico 



Z. B. Ges. B. rXXIV. Abb. 14 



