Lejeunese. franz stephani. species hepaticarum (Vol. IV, 1911), 



50. Archilejeunea gibbiloba St. n. sp. 



Autoica paiTa, pallide flavicans corticola. Caulis ad 2 cm. longus, 

 longus, irregulariter ramosus, inferne paucipinnatus, superne furcatus, 

 Folia caulina parum imbricata, recte patula, concava, in plano ovato- 

 elliptica (1 mm. longa, medio 0,7 mm. lata), apice late rotundata, brevi 

 basi inserta, antice ampliata caulem superantia. Cellulae superse 18 jjl, 

 basales 27x36 ]x trigonis majusculis. Lobulus saepe rudimentarius, ad 

 plicam parvam reductus, normaliter subrotundus valde inflatus vel 

 gibbosus, apice abrupte attenuatus, ad plicam parvam angustam excur- 

 rens. Amphigastria caulina magna, reniformia, profunde sinuatim 

 inserta, caule quintuplo latiora. Perianthia magna, pyriformia, plicis 

 anguste alatis, irregulariter dentatis vel angulatis, rostro valido brevi. 

 Folia floralia caulinis sequilonga, duplo latiora, obovato-oblonga vel late 

 lanceolata, obtusa, lobulo parvo duplo breviore, anguste lanceolato, ad 

 medium soluto, acuminato acuto. Amphigastrium florale foliis flor. 

 aequilongum, oblongo-ellipticum, marginibus superis erosis. Andrmia 

 valde numerosa, bracteis ad 16 jugis, in caule saepe seriatis vel totum 

 ramulum occupantibus. 



Hab. Nova Guinea. 



51. Archilejeunea Graeffei Jack et St., Botan. Centralblatt, 

 vol. 60, n° 4, 



Dioica, major, flavicans, in cortice expansa. Caulis tenuis, ad 4 cm 

 longus, irregulariter ramosus, ssepe simplex, superne pauciramosus. 

 Folia eaulina imbricata, recte patula, plano-disticha, ovato-falcata (1 mm. 

 ionga, medio 0,8 mm. lata), apice obtusa, asymmetrica, margine antico 

 magis arcuato. Cellulse superse 27 {i , basales 27 X 36 {i parietibus validis. 

 Lobulus majusculus, in situ anguste cylindricus, versus apicem atte- 

 nuatus, apice ipso emarginato, angulo acuto vel hamatim spinuloso. 

 Amphigastria caulina magna, caule quintuplo latiora, sinuatim inserta, 

 subcircularia. Flores feminei in caule terminales, uno latere innovati. 

 Folia floralia caulinis sequilonga, angustiora, spathulata, apice obtusa, 

 lobulo duplo breviore, lanceolato, profundissime soluto, acuto. Amphi- 

 gastrium florale lobulo proximo breviter coalitum, foliis flor. subaequi- 

 longum, obovatum, integerrimum. Reliqua, desunt. 



Hab. Insulse vitienses. 



52. Archilejeunea Hossei St. n. sp. 



Dioica, magna, flaccida, flavo-rufescens, in cortice laxe intricata. 

 Caulis ad 6cm. longus, irregulariterremotequepinnatus. Folia caulina 

 imbricata, subrecte patula, valde concava apiceque arcte decurva, in 



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