Hygrolejeunea. franz stephani. species hepaticarum (Vol. V, 19U). 

 acuto, lobis late triangulatis acutis porrectis. Perianthia uno latere 

 innovata, majuscula, clavata (1,33 mm. longa, superne 0,58 mm. lata), 

 compressa, apice obcordata, rostro parvo, postice plano-convexa, 

 marginibus usque ad basin inflatis, ad anticum recurvis. Folia floralia 

 perianthio parum breviora, lanceolata, acuta vel obtusa, lobulus duplo 

 vel tertio brevior, anguste lanceolatus, ad medium solutus cuspidatus. 

 Amphigastrium florale perianthio subtriplo brevius, ovato-ellipticum, 

 liberum, ultra medium inciso-bifidum, rima angusta, lobis Janceolatis 

 repandis acutis hamatim conniventibus. Andrcecia desunt. 

 Hab. Samoa. 



IV. Australia. 



98. Hygrolejeunea norfolkiensis St. Hedwigia 4889, p. 171. 

 Dioica, major, pallide flava, laxe stratificata, flaccida. Caulis ad 



6 cm. longus pauciramosus, ramis sparsim remoteque pinnulatis. Folia 

 caulina parum imbricata, recte patula vaide concava in plano late 

 ovato-triangulata (0,9 mm. longa, basi 0,83 mm. lata) apice obtusa, 

 iata basi inserta, basi antica truncato-rotundata, marginibus celluloso- 

 crenulatis. Cellulse superae 36 X 36 {j., basales 27 X 54 trigonis 

 majusculis, medio nodulosis. Lobulus maximus, folio duplo brevior 

 in situ oblongus, in plano ovatus, carina valde arcuata, oblique adscen- 

 dens, recto sinu in folium excurrens, apice quam basis duplo angus- 

 tiore, oblique truncato, angulo acuto. Amphigastria caulina magna, 

 subrotunda, transverse inserta, caule triplo latiora (0,5 mm. longa et 

 lata) ad 2 / 3 biloba, sinu obtuso semirecto, lobis late triangulatis obtusis. 

 Perianthia parva, anguste oblongo-obconica (1,33 mm. longa, sub apice 

 0,75 mm. lataj apice obcordata, alis angulatis, rostro parvo angusto, qua- 

 driplicata, plicis posticis angustissimis late divergentibus, hic illic angu- 

 latis, plica antica nulla. Folia floralia perianthio sequilonga, ex angusta 

 basi lanceolata, obtusa, lobulus subaequilongus, anguste linearis, pro- 

 funde solutus, acuminatus obtusus. Amphigastrium florale foiiis flora- 

 libus aequilongum, obovato-oblongum, obconicum, ad medium bifi- 

 dum, sinu angusto acuto, lobis lanceolatis obtusis. Andrcecia ignota. 

 Hab. Australia Norfolk Island. 



99. Hygrolejeunea rostrata St. Hedwigia, 1889, p. 172. 

 Dioica magna robusta, fiavo-rufescens, dense caespitans et pendula. 



CauliszdS cm. longus, remote breviterque pinnulatus. Folia caulina 

 recte patula, concava in plano subrotunda (1,5 mm. longa, 1,33 mm. 

 573 



