Metzgeria. franz stephani. species hepaticarum. 931 



47. Metzgeria leptoneura Spruce costa pilosa. 



48. Metzgeria recurva St. costa pilosa. 



49. Metzgeria hamata Linclb. costa pilosa. 



II. Costa nuda Va- 



50. Metzgeria atrichoueura Spruce. 



III. Costa V*. 



51. Metzgeria adscendens St. alae nudse, costa nuda. 



52. Metzgeria conjugata Lindb. alae nudse, costa setosa. 

 33. Metzgeria Wallisiana St. alae nudae, costa pilosa. 



o4. Metzgeria Sandei Schffn. alae setulosae, costa setulosa. 



55. Metzgeria leptomitra Spruce alse setosaj, costa setosa. 



56. Metzgeria crenata St. al* pilosae, costa pilosa. 



57. Metzgeria quadrifaria St. ate pilosae, costa pilosa. 



IV. Costa hirta V*. 



58. Metzgeria fruticoia Spruce ala^ nudae. 



59. Metzgeria clavsetlora Spruce alae setosaj. 



60. Metzgeria bracteata Spruce alae villosae. 



V. Costa hirta Ve. 



61. Metzgeria Uleana St. aUjc setulosaj. 



62. Metzgeria muscicola St. alae setosae. 

 d. Frondes margine setis ternis armatce. 



63. Metzgeria polytricha Spruce costa ^2. 



64. Metzgeria myriopoda Lindb. costa Vs- 



A. Pinnatae. 



1. Metzgeria pubescens Raddi. Mem. Mod. XVIU. p. 45. 



Dioica, major, rigida, pallida, spongioso-caespilans in rupibus calcareis, 

 rarius corticola. Frons ad 3 cm. longa, vix 2 mm. lata, irregulariter alter- 

 natini pinnata et bipinnata, ramis ultimis sensim acuminatis obtusis, 

 rarius plana, vulgo varie undulata et torta apiceqee subcrispata, antice et 

 postice breviter setulosa, ventre ramis adventivis flagellisque innovata. 

 Flagella longa serpentina, fere ad costam reducta, alis 2-3 cellulas latis, 

 ubique setulosa apiceque in frondem normalem abeuntia. Alae interdum 

 interruptse i. e. frons ex apice rotundata abrupte innovala, costam exala- 

 tam proferens sensimque in novam frondem excurrens. Costa subteres, 

 antice posticeque alte producta ibidemque setis longioribus hispida , in 

 trunco primario crassa, in pinnis pinnulisque sensim angustata; cellulse 

 corticales itaque in trunco 26 (utroque latere 13), in pinnis 16 (antice 9 

 et postice 7), in pinnulis ultimis 10 (antice 6 et postice 4). Cellulae internse 

 costarum in sectione corticalibus vix minores. Alae ad 20 cellulas latse, 



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