Rectolejeuneu. franz stephani. species hepaticarum (Vol. V, 1914). 



maxiinuin, foliis floralibus sub?equilonguin, obovatum, ad V^ inciso- 

 biiobatum, sinu angusto, lol)is late triangulalis acutis. Androecia 

 desunt. 



Hab. Nova-Caledonia. 



;36, Rectolejeunea riparia (Mitt.) St. 



Syn. : Lejeunea riparia Mitt. Proc. Linn. Soc, 1861, p. 113. 



Monoica mediocris, regidula flavo-virens, corticola. Caulis ad 2 cm. 

 longus, irregulariter multiramosus. Folia caulina conferta, oblique 

 patula, concava, in plano ovato-elliptica (1,17 mm. longa, medio 

 0,83 mm. lata, asymmetrica, margine supero late rotundato, 

 infero substricto, apice rotundata, brevi basi inserta, basi 

 antica truncato-rotundata. Cellulse superge 18 [x, basales 18X36 «j., 

 parietibus tennibus, trigonis subnullis. Lobulus parvus, folio septuplo 

 brevior, in situ anguste rectangulatus, in plano ovato-conicus, carina 

 oblique adscendens, substricta, stricte in foliuni excurrens, apice quam 

 basis subduplo angustiore, oblique truncato, angulo acuto. Amphi- 

 gastria caulina raajuscula, caule triplo latiora, subrotunda, transverse 

 inserta, ad raedium biloba, sinu obtuso semirecto, lobis anguste trian- 

 gulatis acutis, porrectis vel conniventibus. Androecia sessilia, bracteis 

 paucijugis. 



Hab. Ceijlon. 



37. Rectolejeunea samoana St. n. sp. 



Dioica, raediocris flavescens, aliis hepaticis consociata. Caulis ad 

 3 cra. longus, rigidulus, parura longeque raraosus. Folia caulina 

 contigua, recte patula, valde concava, in plano ovato-rotundata 

 (0,75 mm. longa, raedio 0,67 inm. lata), apice late rotundata, brevi 

 basi inserta, basi antica truncata, symraetrica, marginibus celluloso- 

 crenulatis. Cellula.' superse 18X18 \l basales 27X36 jt trigonis nuliis. 

 Lobulus magnus, folio triplo brevior, in situ ovato-oblongus, carina 

 oblique adscendens valde arcuata, recto sinu in folium excurrens, apice 

 quam basis triplo angustiore, ex parte involuto, sub apice maxirae 

 constrictus, in plano valde aberrans, ovato-triangulatus, apice quara 

 basis duplo angustiore, oblique truncato, angulo apiculato. Amphi- 

 gastria caulina magna, caule triplo latiora, leviter sinuatira inserta, 

 subrotunda, ad ^/s inciso-biloba, sinu recto, lobis acutis. Perianthia 

 uno latere innovata, magna (1,33 rara. longa, superne 0,75 mra. lata) 

 longe angusteque pyriforraia, apice truncato-rotundata, rostro brevi, 

 plicis posticis angustis, longe divergenti-decurrentibus. Folia floralia 

 perianthio duplo breviora, obovato-oblonga, obtusa, lobulus tertio 



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