160 PrRIONO-LEJEUNEA. 
F -4x-35, lob 125; ¢ py—de; fis 2°15, “15 x°15;. br “bs br ox 
95mm, 
Pusilla pallida prostrata. Caules }-}-pollicares tenues flexuosi pauci- 
Tame, 
Folia parum imbricata ad insertionem insigniter constricta (quasi-stipi- 
tata), ad Jobuli carinam semierecta, dein abrupte divergentia, decurvo- 
concava oblique late ovata, rotundata, obtusa, vel abrupte subacuta, 
celluloso-erosa-serrulatave, facie externa asperula, infra medium valde 
sinuato-complicata—margine supra sinum valde rotundato; lobulus 
folio 3-plo fere brevior, saccatus oblique ovatus, margine involuto; 
cellule parvule guttulate, pariete incrassato, nisi pro annulo chloro- 
phylli angusto pellucida, marginales superioresque acute, cater 
obtuse conico-prominule. 
Foliola inferiora dissita, superiora contigua increscentia, foliis duplo 
breviora, rhombeo-rotunda, paulo ultra } acute bifida, segmentis 
acutis. 
Flores dioici: 2 in caule ramove innovando-prolifero terminales. Bractece 
foliis sublongiores, suberectee obovate concavee, basi lobulo parvo 
lineari auctee; bracteola obovato-rhomboidea, ad } bifida, segmentis 
acutis, margine supero angulato: omnes muricato-serrulate. Peri- 
anthia ... . 
Andreecia ramulo duplum folium caulinum equante crasse julaceo con- 
stantia; bracteze foliis duplo minores 5—-8-jugze turgidee. 
Species dubice affinitatis, dum perianthia incognita restant, inter Priono- 
Lijeuneas, Trachy-Lejeuncas et Crossoto-Lejeuneas vacillans. 
10. Priono-LEJEUNEA? ASPERRIMA, Spruce. 
Hab. Tauat propre Pard, in trunco putrido, supra alias Lejewneas repens; 
ex aliis locis sylvee Amazonicee pauca specimina simili modo para- 
sitantia—semper foeminea steriliaque—carpsl. 
F 25°18, lob ‘1, ¢ gy 3 f'% ‘4-5 c. longa ; br 5; br'* -40--45 x -2™™., 
Minuta viridis prostrata, radicellis longis (paucis ad cujusque folioli basin) 
patentibus v. subfasciatis adfixa ; caules 4 pollicares filiformes vage 
pauciramei fragiles. 
Folia dissita subcontiguave, suberecta (axi a caule parum divergente) 
obovato-rotunda vel, ad lobuli apicem constricta, spathulata, medium 
versus profunde sinuato-complicata, subconcava, margine toto insig- 
niter muricato-serrulata, facie asperrima ; lobulus dimidium folium 
fere «equans, extus rotundatus, saccatus, late semiovatus vel fere 
hemisphericus, margine fere transverso incurvo apice occulto; celluls 
minutulz subpellucidée extus alte conico-prominule, pauce versus folii 
basin subplanee. 
Foliola minuta bipartita, cruribus conniventibus divergentibusve subu- 
lato-acuminatis, basi 2-3 cellulas latis, integerrima, levia. 
Fl. dioici: 9 terminales, innovatione suffulti. Bracteaee magne, foliis 
duplo longiores, patulee, apice incurvee, oblique obovate ovalesve, 
subacute, ad medium bifida, vix complicate, asperrima, lobulo 
parvo apice lanceolato; bracteola parum brevior ovali-ligulata ad 4 
acute bifida, segmentis acutis. 
Plautula pulcherrima, quoad foliola bicrura Drepano-Lejeuneis similis; 
