V 



(VOL. V, 191 i). KHA.NZ STEPHA.M. SPECIES HEPATICARUM Hyywlejeuneu. 



in foliniii cxcurrcns, apic(> (|uani basis siibduplo l)i-c\i()iv, truncato, 

 angulo apiculato. Amp/i/ya,slria caulina i^igantca il,25 nini. lata, 

 0,88 III 111. longa) profunde sinuatim inserta grossequc cordata, apice 

 breviter exciso-bidentnla, dentibus apiculatis. 

 Hab. Pfninia. Hio Huallaga, 



35. Hygrolejeunea rionegrensis S. Ilcp. Aiu. Aiid., |). -lAi). 

 Dioica major dilute brunnea, in cortice dense depresso-caespitosa. 



Caulis ad 4 cm. longus, sparsim irregulariterque raniosus. Folia caulina 

 conferta, recte patula, concava, in plano subrotunda, asymnictrica, 

 margine supero magis arcuato, apice rotundata vel obtusa, ad medium 

 inserta, basi antica truncato-rotnndata, caulem late superantia, 

 marginibus leviter celluloso-crenulatis. Cellulai superae 27X27 |i, 

 validae, basales 27x36 |x trigonis parvis. Lobulus parvus, folio qua- 

 druplo brevior, ovatus, carina oblique adscendens, leviter arcuata, 

 amplo sinu in folium excurrens, apice quam basis duplo angustiore, 

 recte truncato, angulo acuto. Amphigastria caulina magna caule triplo 

 latiora, subrotunda, sinuatim inserta, apice ad V^ emarginato-biloba, 

 sinu amplo, lobis late triangulatis acutis porrectis. Flores feminei uno 

 latere innovati. Folia tloialia ovato elliptica, caulinis iequilonga, acuta 

 integerrima, lobulus parum bevior, anguste ligulatus, ad mediuni 

 solutus, obtusus. Amphigastrium florale foliis floralibus ffiquilongum, 

 rotundum, ad V^ inciso-biiobatum, rima angusta, bibis obtusiusculis. 

 Reliqua desunt. 

 Hab. Brasilia. Rio Negro. 



36. Hygrolejeunea retundifolia Mitt. J. of Bot. 1851, p. 359. 

 Dioica magna robusta tlavescens tlaccida, in cortice ca^^spitans. Caulis 



ad 6 cm. longus, parum irregulariterque ramosus, ramis saepe longe 

 simplicibus. Folia caulina imbricata, recte patula, concava apiceque 

 decurva, in plano oblongo-elliptica (1,83 mm. longa, 1,1 mm. lata) 

 apice obtusa, latissima basi inserta, basi antica valde ampliata, 

 semicircularia, caulem superantia integerrima. Cellulse superae 36X36 {i. 

 basales 36X45|i superae validae, inferae tenera^. Lobulus magnus, 

 anguste longeque saccatus, in folio quasi pendulus, apice recte trun- 

 catus, integerrimus vel dente subapicali armatus, carina arcuata, 

 erecta, amplo sinu in folium excurrens. Amphigastria caulina gigantea 

 (1,67 mm. lata, 1,17 mm. longa) profunde sinuatim inserta, subreni- 

 formia, apice breviter excisula, riina angusta, lobulis conniventibus 

 apiculatis. Perianthia uno latere innovata, obovato-oblonga, obtusa, 

 medio parum constricta, quinque angulata compressa. Folia floralia 



540 



