Fossombronia. franz stephani. sepgies hepaticarum. 2S 



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

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

 convexus, subtriplo latior quam crassus. Folia conferta, basi triplo angus- 

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

 angulis interdum apiculatis. Cellulae 35 X 40 jjl, basales 45X 74 [j. Folia 

 suprema profunde 5 loba, lobis arcte incurvis acuminatis acutis. 

 Periaiithia turbinala, ore amplo crispato paucilobato, lobis acutis recurvis. 

 Sporas ad 40 [i., furcalim lamellatse, lamellis compressis, altis, in ambitu 

 sporarum itaque longe prominentibus et quasi in spinam acuminatam 

 abeuntibus; spinae sub 24. 



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

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

 fornia (Howe). 



2. F. perpusilla (Col.) St. 



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



Monoica, minor, pallide virens, csespitosa. 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. Cellulde apicales 37 X ^o ^Ji' medianae 

 55 X 92 [1, basales 55 X 130 jjl. Perianthia longe stipitata, pyriformia, 

 ore minus amplo recurvo, breviter lobulato meximeque crispato, sparsim 

 dentalo. Sporse 35 {x, rufo-brunnese, laxe lamellatee, 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. pusillae valde similis. 



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

 Syn. : F. tenuifolia Spruce I. c. p. 528. 



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

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

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

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

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

 obcuneaLa, marginibus lateralibus strictis, apice rotundata quadriloba, 

 lobis late triangulatis acutis, hic illic dentatis. Cellulae apice 55 ji, medio 

 55 X 84 |i, basi 74 X 148 {i,. Perianthia foliis vix longiora, e basi bre - 



379 



