Crossotolejeunea. FRANZ STEPHANI. SPECIES HEPATICARUM (VOL. V, 1913), 



acutis integerrimis. Androzcia numerosa, parva, sesssilia, bracteis 

 quadrijugis. 

 Hab. Bolivia. 



14. Crossotolejeunea caulicalyx St. n. sp. 



Monoica, parva, pallide virens corticola. Caulis ad 10 mm. longus, 

 irregulariter breviterque pinnatus. Folia caulina parum imbricata, 

 recte patula, parum concava, in plano late ovata (1,17 mm. longa, 

 0,9 mm. lata) asymmetrica, subintegra, apice cellulis rotundo-promi- 

 nulis leviter crenulata. Folia ramulina valde aberrantia, minora, 

 triangulata, acuta margine supero maxime arcuato, postico stricto. 

 Cellulx superse 27 |i basales 27X36|i. trigonis majusculis attenuatis. 

 Lobulus parvus, folio quintuplo brevior, ovatus, recte patens, carina 

 substricta, stricte in folium excurrens, apice quam basis triplo angus- 

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

 caule duplo latiora, transverse inserta, subrotunda, profunde (ad 4 /&) 

 incico-biloba, lobis oblongis acuminatis porrectis. Periantia parva 

 (1 mm. longa) ex angusta basi abrupte pyriformia, quasi pedunculata, 

 apice leviter obcordata, superne papuloso-crenulata, plicis posticis late 

 divergentibus, similiter crenatis, rostro brevi latissimo. Folia floralia 

 perianthio duplo breviora, anguste ligulata, obtusa; lobulo subduplo 

 breviore, anguste lineari, parum soluto, obtuso. Amphigastrium ftorale 

 foliis flor. aequilongura, spathulatum, ad V 3 inciso-bifidum, rima 

 angusta, lobis acutis. Androecia sessilia, bracteis quinquejugis. 



Hab. Cuba. 



15. Grossotolejeunea cavifolia St. n. sp. 



Dioica, exigua, paliide-virens, aliis hepaticis consociata. Cautis ad 

 7 mm. longus, parum breviterque pinnatus. Folia caulina imbricata 

 oblique patula, maxime concava, margine postico late arcteque 

 involuto, in plano late triangulata (0,83 mm. longa, basi 0,67 mra. lata) 

 apice obtusa, brevissima basi inserta, basi antica truncata vel leviter 

 sinuata. Ceilulse superae 27 jx, basales 27 X 36 |i trigonis nullis. Lobulus 

 in situ occultus, in plano ovatus, oblique adscendens, maximus, folio 

 duplo brevior, valde inflatus, subsaccatus, carina valde arcuata, levi 

 sinu in folium excurrens, margine supero substricto, apice quam basis 

 vix angustiore, oblique leviterque emarginato, angulo acuto. Amphi- 

 gastria eaulina parva, caule duplo latiora, transverse inserta, subro- 

 tunda, ad 2 / 3 biloba, sinu angusto obtuso, lobis acutis. Perianthia 

 magna, 1,33 mm. longa, oblonga, duplo longiora quam lata, superne 

 erosa vel irregulariter denticulata, dentibus acutis vel obtusis, inferne 

 237 



