liectolejetmeu. FRANZSTEPHANI. SPECIES HEPATICARUM (VOL. V, 1914). 



(•iiUis (ssepe obsoletus) folio quintuplo brevior, late triangulatus,carina 

 oblique adscendens, levi sinu in folium excurrens, apice quam basis 

 subduplo angustiore, truncato, angulo obtuso. Amphigastria caulina 

 magna, caule quintuplo latiora, subrotunda, breviter sinuatin inserta, 

 ad ^/3 biloba, sinu semirecto acuto, lobis obtusis. Perianthia uno latere 

 innovata, late breviterque pyriformia (0,83 mm. longa, medioO,75mm. 

 lata) apice obcordata, rostro lato, plicis posticis angustis, longe decur- 

 rentibus. Folia floralia perianthio gequilonga, late divergentia, obovato- 

 oblonga, obtusa, lobulus duplo vel triplo brevior, lanceolatus, ad 

 inedium sohitus, acutus vel obtusus. Amphigastrium florale obovatum, 

 iiberum, perianthio tertio brevior, ad V^ inciso-bifidum, sinu semirecto, 

 lobis acutis. Androecia desunt. 

 Hab. Cuba. 



29. Rectolejeunea ptosimophylla (Mass.) St. 



Syn. : Cheilolejeuneaptosimophylla Mass. Giorn. Bot.Hab. 1881, p. 12. 



Sterilis, exigua, flavicans, in cortice dense depresso-caespitans. Caulis 

 ad 5 mm. longus, sparsim longeque ramosus. Folia caulina imbricata, 

 recte patula, parum concava, in plano subcircularia (0,58 mm. longaet 

 lata) brevissima basi inserta ideoque facile decidua, basi antica truncato- 

 rotundata, caulem tegentia, integerrima. Cellulse superse 18x18 {i, 

 basales 27X27 [j., parietibus validis, trigonis nullis. Lobulus parvus, 

 folio quintuplo brevior, conicus, parum longior quam latus, carina 

 stricta, oblique adscendens, amplo sinu in folium excurrens, apice 

 quam basis subduplo angustiore, recte truncato, angulo acuto. Amphi- 

 gastria caulina transverse inserta, caule duplo latiora, parum latiora 

 quam longa, subrotunda, ad medium inciso-biloba, sinu semirecto, 

 lobis acutis. 



Hab. Brasilia. Buenos-Ayres. 



30, Rectolejeunea roseo-alba (Spruce) St. 



Syn. : Cheilolejeunea roseo-alba S. Hep. Am. And., p. 254-. 



Monoica pusilla, albo-viridis, in cortice csespitans. Caulis ad 15 mm. 

 longus vage ramosus. Folia caulina parum imbricata, recte patula, 

 parum concava, in plano ligulata (0,83 mm. longa, 0,5 mm. lata) sym- 

 metrica, apice late rotundata, brevi basi inserta, basi antica truncato- 

 i'otundata, margine supero et infero substrictis, marginibus subinte- 

 gerrimis. Cellulx superaelS p,, basales 27X^5 jjl, regulariter hexagonse, 

 Irigonis nullis. Lobulus magnus, foho duplo brevior, cylindricus, triplo 

 longior quam latus, carina stricta, stricte in folium excurrens, apice 

 quam basis vix angustiore, oblique emarginato, angulo apiculato. 



695 



