ARCHI-LEJEUNEA. 9] 
(raro 3-) carinulata, postice alte bicarinata, carinis marginalibus 
posticisque angustissime alatis repandisque vel subtuberculatis. 
Andreecia in planta tenuiore magisque ramosd, terminalia vel medium 
ramum tenentia, julacea; bracteze sub 10-jugie foliis consecutive sed 
duplo minores, inflate, parum inequilobe, diandree. 
Var. longiflora, Spruce, minor, magis compacta, sepius subdichotoma. 
Folia breviora. Foliola fere duplo minora cuneato-orbiculata. Peri- 
anthia pro ratione majora emersa obovato-oblonga vel obpyramidata, 
angulis repando-cristulatis, facie antica superne 3-carinulata ; alia 
magis elongata, fere lineari-oblonga, carina anticé singula, pentagono- 
prismatica.—Ad fl. Negro, juxta S. Gabriel et S. Carlos. 
Var. andina, Spruce, perianthiis haud raro postice asymmetrice 1-carinatis, 
sc. vel altera carina obsolet& vel carinis 2 posticis approximatis in 
unam latam dorso subplanam quasi confluentibus.—In M. Campana 
et Guayrapurina, corticola. 
2. ArcuiI-LEJEUNEA UNCILOBA, Lindenb. 
Syn. Hep. 331. 
Hab. In arborum vetustarum cortice, raro in ramulis, secus flum. 
Amazonum (Pard, Santarem, Obidos, etc.); necnon per totum fl. 
Negro (S. Gabriel, S. Carlos, etc.). Eandem speciem habuerunt cl. 
auctores “Syn. Hep.” e Brasilia, Peruvia et Mexico (necnon e C. 
Bonz Spei ?). 
F'1-0x0°8, 1:05 x °75; lob 35x °3, 3x -25; ¢ Jy; fi 6x9, 6x "75, 
woawos.un 2b: per 1:5 x 1-0, 1:5 x 75 
Procerula depresso-ceespitosa substratificata flavida vel rufo-badia. Caudex 
in cortice longe repens, caules subliberos 1—-2-pollicares vage ramosos 
—interdum decompositos—flaccidos proferens. 
Folia confertim imbricata planiuscula vel seepius decurvo-concava, solum 
basi antica recurvula, late semicordato-oblonga, rotundata, subabrupte 
sinuato-complicata ; lobulus triplo brevior ovali-rhombeus acutus 
apiculatusve appressus fere planissimus; cellule parvulee subcon- 
formes pellucide, pariete ad angulos precipue incrassato, intus plus 
minus distincte plurisinuate, chlorophyllo in annulum congesto. 
Foliola imbricata, 4 folium superantia, dimidio latiora quam longa, lobu- 
los totos obvelantia, oblato-orbiculata reniformiave, basi excavato- 
amplexantia, e margine toto recurvo cochleata. 
Flores dioici: 2 terminales, cum innovatione (raro prolifera). Bracteze 
folia excedentes, ad 3 usque bifida, lobo oblongo rotundato, lobulo 
seepe v1x breviore, angustiore tamen, acuto vel acuminulato; bracteola 
obovata breviter acute bifida. 
Perianthia foliis dimidio longiora, pyriformia, rostellata, compressa, 
antice depressa apicemque versus interdum 1-carinulata, postice 
bicarinata, carinis levissimis vel obsolete tuberculosis, raro magis 
asperis, demum apice 3-4-fida; cellule superiores pulchre guttulate, 
longitudinaliter seriatze, quasi moniliate. Calyptra totum perianthium 
replens, pyriformis, apice subzequaliter 4-fida, valvula quart& ceeteris 
sublatiore (valvulis 2 connatis constante). 
Andreecia in ramis basilaria, media, apicaliave, spicata; bracteze foliis 
sensim minores 6-20-jugie; antheridia bina magna, altero longius 
stipitato. 
Plantula in terris Amazonicis late dispersa, sat variabilis, Forma 
