Jieetolejeunea. franz stepham. species hepaticarum (Vol. V, 1944). 

 culus (ssepe obsoletus) folio quintuplo brevior, late triangulatus,carina 

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

 subduplo angustiore, truncato, angulo obtuso. Amphijjanlria caulina 

 magna, caule quintupto Iatiora, subrotunda, breviter sinuatin inserta, 

 ad 2 /3 biloba, sinu semirecto acuto, lobis obtusis. Perianlhia 11110 latete 

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

 lata) apice obcordata, rostro lato, plieis posticis anmistis, longe decur- 

 centibus. Folia floralia perianthio aequilonga, late divergentia, obovato- 

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

 medium solutus, acutus vel obtusus. Amphigastrium florale obovatum, 

 liberum, perianthio tertio brevior, ad x /3 inciso-bifidum, sinu semirecto. 

 lobis acutis. Androecia desunt. 

 Hab. Cuba. 



29. Rectolejeunea ptosimophylla (Mass.) St. 



Syn. : Cheilolejeunea ptosimophylla Mass. Giorn. Bot. Hab. 1881, p. 12. 



Sterilis, exigua. ila\ icans. in cortice dense depresso-nespitans. 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 superae 18X18 

 basales 27X27 {i., 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- 

 (jastria 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- 

 rotundata, margine supero et infero substrictis, marginibus subinte- 

 gerrimis. Cellulse superaelS ji, basales 27X45 ji, regulariter hexagona?, 

 trigonis nullis. Lobulus magnus, folio duplo brevior, cylindricus, triplo 

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

 quam basis vix angustiore, oblique emarginato, angulo apiculato. 

 695 



