Bryo-LEJEUNEA. Ae 
4. Bryo-LEJEUNEA DIFFUSA (Sw.). 
Jung. diffusa Sw. Prodr. Fl. Ind. Oce. 144; Bryopteris diffusa Nees in 
Syn. Hep. 286. 
In sylvis umbrosis, ad rivulum Marona-yacu, prope Tarapoto, etiam ad 
Tauat prope Pard, ex arborum ramulis pendula. In America tropica 
tota, Brasilia preecipue, hic illic inventa est. — 
F21x1:2, lob ‘75-9 (ab ipsa bast ad acuminis apicem), ¢ 3;-h; f'* 1 
15x 1 “0; per 2°2x°75 (explan. x9); br. lob 2°0'x °85 3 br'2 1-5 x -4™™, 
Caules e caudice breviter repente penduli, 6-12-pollicares, pluries (seepe 
6-ies) dichotomi, angulo dichotomiz subrecto, equaliter foliosi, ramis 
in planta fertili seepe floribus pinnulatis. 
Folia olivaceo-viridia subimbricata late patula parum deflexa, siccando 
arete convolutiva, oblique ovata apiculata v. brevi-acuminulata 
acuta, integerrima vel rarius apice grosse paucidentata, antice semi- 
cordata, auricula oblonga caulem transeunte, postice medio incurvula 
basi subrecte complicata; lobulus planus folio triplo fere brevior, 
rhomboideus vy. sublanceolatus, acuminatus 3-5-laciniatus, lacinia 
media longiore (acumen sistente), a caule liberus (7.¢., haud super 
caulem incurrens); cellule majuscule (j,-;4 ™™.) superiores 
minores, inferiores sensim majores, subpellucidz, omnes epapillate, 
pariete ad angulos mediaque latera toruloso-incrassato. 
Foliola dimidium folium vix superantia, imbricata, quadrato-oblonga, 
alia basi parum angustata, apice rotundato-truncata grosse serrata, 
basi excisa anguste longiuscule decurrentia, medio brevi spatio cana- 
liculata. 
FL. dioici: ¢ laterales, ramulos breves, folia parum superantes, sistentes. 
Bracteze sub 6-juge, extime minute, inequaliter bifida subplane, 
bracteolis rectangularibus emarginato- bifidias intime foliis sube- 
quilongze, basi erectze apice patulz, ad # usque bifidee, lobo ovali- 
lanceolato acuminato, lobuloque Sean et multo angustiore 
_lineari acuminato inciso-serratis-spinosisve, laciniis spe “iterum 
denticulatis spinosisve ; bracteola minor libera angusta, lineari- 
lanceolata complicata, alis recurvis, inciso-serrata, apice breviter 
bifida, sermentis acuminatis. 
Perianthia foliis sublongiora rufa linearia triquetro-prismatica, carinis 
lateralibus valde devexis levibus, apice rotundato-truncato brevi- 
rostellata.—Planta ¢ mihi adhuc ignota. 
Suseenus X.—ACRO-LEJEUNEA, S. 
Phragmicoma, Syn. Hep. pro majore parte. 
Lopho-Lejeunee (cujus descriptionem videas) ramo fertili simplice unifloro 
arcte affinis, foliis quoque et foliolis majusculis integris sat similis; 
differt autem perianthiis parum compressis et, vel 4-5-carinatis, vel 
(plicis intermediis adjectis) 7-10-plicatis, carinis plicisve omnibus 
exalatis pro more levissimis; necnon bracteis grandilobulatis. 
Hab. In arboribus et saxis; in America tropica raro extra planitiem 
visa, 
