Fossombrouia. franz stephani. sepcies hepaticarum. 25 



Monoica, minor, pallide-virens, pro more gregaria, maxime fœtens. 

 Caulis ad 10 mm. longus, furcatus, postice parum producLus leniterque 

 convexus, subtriplo latior quam crassus, FoHa conferta^, basi triplo angus- 

 tiora quam apice, plus minus crispata, late reniformia, 4-5 angulata, 

 angulis inlerdum apiculalis. Cellulœ 35 X 40 ji, basales 45X 74 [j. Folia 

 suprema profunde 5 loba, lobis arcte incurvis acuminatis acutis. 

 Perianthia lurbinata, ore amplo crispato paucilobato, lobis acutis recurvis. 

 Sporœ ad 40 jx, furcatim lamellatse, lamellis compressis, altis, in ambilu 

 sporarum itaque longe prominentibus et quasi in spinam acuminatam 

 abeuntibus; spinse sub 24. 



Hab. Sat rara in Britannia, Germania, Baden (Jack); Italia, Napoli 

 (Cleve); Gallia, Paris (Bescherelle); Vancouver Island (Macoun); Cali- 

 fornia (Howe). 



2. F. perpusilla (Col.) St. 



Syn. : Noteroclada perpusilla Colenso. N. Zeal. Inst. 



Monoica, minor, pallide virens, caespitosa. Caulis ad 7 mm. longus, 

 purpureus, postice valde convexus, subteres. Folia confertissima, erecto- 

 incurva, e basi obcuneata valde ampliata, 3-4 lobata, lobis carinatim 

 conduplicatis arcte incurvis. Cellulœ apicales 37 X ^^ [J^ medianse 

 55 X 92 jjL, basales 55 X 130 }x. Perianthia longe stipitata, pyriformia, 

 ore minus amplo recurvo, breviter lobulato meximeque crispato, sparsim 

 dentato. Sporœ 35 [x, rufo-brunnese, laxe lamellalse, lamellis furcatim 

 ramosis, e lata basi compressis, altissimis, in ambitu sporarum itaque 

 longe prominentibus et quasi in spinam validam acuminatam abeuntibus, 

 Spinae sub 24, foveolae sub 14 in facie convexa. 



Hab. New Zealand (Colenso). 



Quoad sporas F. pusillœ valde similis. 



3. F. crassifolia Spruce. Edinb. Bot. Soc. 1885, p. 527. 

 Syn. : F. tenuifolia Spruce 1. c. p. 528, 



Monoica, major, viridis, gregaria. Caulis ad 15 mm. longus, parum 

 ramosus, sub flore geminatim innovatus, crassus (2plo latior quam 

 crassus) postice carinatim angustatus,[antice itaque utroque latere atte- 

 nuatus, radicelhs ad aciem posticam reductis. Folia magna, tenerrima, 

 conferta, longitudinaliter plicata, parum adscendentia, plano-disticha, 

 obcuneala, marginibus lateralibus strictis, apice rotundata quadriloba, 

 lobis late triangulalis acutis, hic illic dentatis. Cellulœ apice 55 ^, medio 

 55 X 84 [1, basi 74 X 148 p.. Perianthia fohis vix longiora, e basi bre - 



379 



