Fimbriaria. franz stephajni. species hepaticarum. 207 



lulis quadriserialis formata; epidermidis cellulse tenerse. Squamae posticae 

 magnee sanguinese longe appendiculatce, appendiculis geminatis approxi- 

 matis, fere contiguis, late lanceolatis breviter acuminatis, acutis. Pedun- 

 ctilns ad 10 mm. longus maxime irregulariter costatus, apice breviter 

 barbatus, paleis hyalinis; carpocephala parva, conico-rotundata, lobis bre- 

 vibus decurvis. Perianthia oblonga, longe exserta. Reliqua desunt. 

 Androecia in ramo magno postico disciformia, ostiolis confertis pur- 

 pureis. 



Hab. Anstralia occid. (Arco Eillinna Well) leg. Helms, Elder Explor. 

 Exped.). 



*— • 59. Fimbriaria tenella (L.) Nees. Hep. Eur. IV, p. 271. 



Syn. : Marchantia tenella L. Sp. Pl., p. 1137. 



Fimbriaria mollis Taylor J. of Bot. V, p. 411 (1846). 



Monoica, parva, viridis, subtus haud colorata. Frons ad 20 mm. longa, 

 3 mm. lata, furcata vel (raro) ex apice innovata, crassa, antice plana vel 

 in partibus junioribus subcanaliculata, postice convexa, marginibus inte- 

 gerrimis obtusis; costa parva, fronde triplo angustior, crassa, in alas 

 validas attenuata, bene sed haud abrupte producta, medio inflmo solum 

 radicellifera ; stratnm anticum costa; a^quialtum, cavernis angustis; fila 

 libera fere nulla. Stomata humillima, poro majusculo 6 cellulis biseriatis 

 circumdato. Cellulae epidermidis trigonis magnis incrassatas. Squamse 

 magniE purpurese, contigua3, appendiculo magno oblique triangulari, acu- 

 minato. acuto^ hyalino. Carpocephala parva, breviter pedunculata, pedun- 

 culo ad 3 mm. longo, inferne purpureo, humiUter costato, apice breviter 

 barbato, paleis lanceolatis purpureis inclusis, ceterum subtereti. Capitula 

 conico-hemisphcerica, ad \/s quadriloba, lobis oblique declivibus, crassis, 

 margine attenuatis laxeque cavernosis, margine angulatim repandis; 

 involucra magna, inciso biloba tenera. Perianthia oblongo ovata, semi- 

 exserta, hyalina. Capsula tenerrima subhyalina, cellulis magnis formata. 

 Opercnlum haud vidi. Sporae 70 jj., grosse lobato-cristatse fulvae, asperae. 

 Elateres 200 |j., flavescentes, spiris angustis, laxe tortis. Androecia in 

 soros aggregata vel longe biseriata, pedunculo plus minus approximata, 

 ostioiis longis hyalinis vel coloratis. 



Hab. America septentr. haud rara. 



^ 60. Fimbriaria Mandoni St. n. sp. 



Monoica, major, robusta. Frons ex apice innovala, ramis posticis flora- 

 libus numerosis, ad 3 cm. longa, o mm. lata, antice leniter concava 



133 



