186 TRACHY-LEJEUNEA. 
Flores monoici: @ in ramo brevissimo terminales, innovatione simplice 
parvifolia, seepe arcuata, interdum apice mascula, suffulti. Bracteze 
foliis fere duplo longiores, vix ad 4 biloba concavee (haud com- 
plicatee), valde decurvee devoluteeve acutee, facie externa valde exas- 
peratee apice subdenticulate, lobo obovato-ovali, lobulo multo minore 
angustiore lanceolato linearive; bracteola duplo fere brevior obovato- 
lanceolata brevissime bifida, seementis obtusis, denticulata. 
Perianthia magna f. caulinis fere triplo longiora, rufa sanguineave clavato- 
pyriformia apice lato subtruncata, facie ab ipsa basi e cellulis magnis 
sy is™™.) tuberculoso-aspera, inferne fere teretia, superne sat com- 
pressa alte 5-carinata, carinis tenuibus, vel alatis, vel non, asperulis. 
Amenta ¢ sat robusta cauligena, folia caulina 2-plo superantia, alia in 
ramulo longiore terminalia; bracteze 5-10-jugee, cymbiformes, fere 
ad 4 bilobe, lobis anguste ovatis subobtusis, inferiore paulo breviore 
angustioreque; antheridia bina, 
6. Tracuy-LEJEUNEA IMMERSA, Spruce. 
Hab. Yurimaguas, fluvii Et ee in cortice. 
F 6x°5, 65x °52, ¢ sya f 25x33 br 1:0x°4; br’ 6x4; per 
6 x -3mm. 
Pallide viridis siccando fuscidula, prostrata, plagas circumscriptas efficiens; 
caules pollicares flaccidi sat ramosi, ramis implexis subassurgenti- 
bus. 
Folia subimbricata oblique ovata abrupte subacuta raro subapiculata, 
angulata vel erosula, celluloso-crenulata, basi obsolete complcata 
(lobulo 0); cellule majusculee pellucidee subelongatee. 
Foliola dissita dimidio folio minora orbiculata, paulo latiora quam longa, 
ad medium bifida, sinu segmentisque acutis, integerrima, subcon- 
cava. 
Fl. monoict; Q terminales, cum innovatione simplice; bracteze foliis multo 
longiores, suberectee, oblique lanceolatee, contortee, celluloso-crenu- 
latee et subdenticulatee vel etiam subincisie, prope basin complicate, 
plicAé minuté lineari apice subulaté; bracteola minor (folia caulina 
cequans) oblonga vel subrotunda abrupte acuta rotundatave ttegra, 
plus minus denticulata. 
Perianthia inclusa pyzifor mi-oblonga subretusa rostellata vix compressula, 
supra medium 5-carinata, carinis papilloso-cristulatis. 
an a 6 cauligena, folio zquilonga breviorave ; bracteae mediocres 
O-Juge. 
A L. pellucidissima differt ramis foemineis innovatis, foliis elobulatis, 
cellulis submajoribus, foliolis fere duplo majoribus, bracteis magis denti- 
culatis incisisve, bracteola denticulata, et perianthiis ad carinas insigniter 
papilloso- (muriculatove-) cristulatis. 
Suncenus XXII.—DREPANO-LEJEUNEA, 5. 
Plante pusille minuteve, virescentes fulveeve, in aliis hepaticis (pree- 
cipue Lejewneis) laxe reptantes, spe vix perceptibiles, raro in plagu- 
Jas densiores intricatee. Caules tenues sed tenaciusculi, laxe pinnatim 
vel swpius vage ramosi. 
