202 CERATO-LEJEUNEA. 
Flores monoici: 2 in ramo brevissimo terminales, innovatione simplice 
suffulti. Bracteze foliis dimidio breviores complicato-bilobe, lobo 
obovato apice serrulato, lobulo subbreviore angustioreque lanceolato; 
bracteola ligulato-oblonga breviter bifida subintegerrima. 
Perianthia parva vix emersa badia obovata subturbinatave obscure 
4-angula, demum fere teretia; apice in cornua 4, reliquo perianthio vix 
breviora, linearia, ligulata clavatave obtusata compressa erecta v. 
conniventia, porrecta. 
Andreecia ramulo tenui constantia ; bractese 4-6-juge minute subdissite 
naviculares dorso papulosie. 
Forma riparia, illa preecipue e S. Carlos, minus eleganter pinnata; folia 
tam caulina quam ramea argute serrata, basi vittata, ocellatave. 
L. Splitgerberiana, Mont. (in Guiana lecta) caule bipinnatim decom- 
posito, foliis semtcircularibus viridi-hyalinis, et perianthio obconico corni- 
bus reflewis, a nostra distincta, ceeterum haud absimilis. 
2. CERATO-LEJEUNEA MEGALOPHYSA, Spruce. 
Hab. Ad. fl. Negro cataractas et fl. Uaupés, in palmarum arborumque 
foliis. 
L. plumule colore rufo, caule arcte pinnato, florescentiaque monoica 
convenit, differt ceteris caracteribus. Folia late dimidiato-ovata 
abrupte acuta obtusave, apicem versus paucidenticulata, vel caulina 
subintegerrima, subrecte lobulata, lobulo minuto, cellulis inferiori- 
bus sensim majoribus, ocello proprio nullo. Foliola is L. plumule 
duplo majora, =} folii, vix ultra § bifida. Bractez pauciserrulate; 
bracteola ovali-orbiculata breviter bifida, Perianthia oblongo- 
urniformia minute rostellata, alte argute 4-5-carinata, carinis apice 
in cornua perbrevia patentissima subacuta vel truncato-denticulata 
dilatatis.—Utriculi magni crebri.—Folia qualia L. plumule insig- 
niter incurvo-canaliculata, unde planta crispula evadit, post sicca- 
tionem preecipue. 
. 3. CeRATO-LEJEUNEA CUBENSIS, Mont. 
Hist. physic. etc. de Cuba, 481, t. 18, f. 2. 
Hab. Per totum flumen Negro, in arborum truncis ramulisque, raro in 
rupibus. 
F 45x °35; lob ‘15; ¢ 
per ‘55 x *35™™, 
— Jy 3 fle 15 x15; br. lob 55 x ‘33; br'# 4x 2; 
Pusilla, caespitosa, e viridi rufula, sicca flavida. Caules 4—3-pollicares pro- 
strati ineequaliter subbipinnati, ramis brevibus assurgentibus arcuatis. 
Folia imbricata decurvo-fornicata subfalcata dimidiato-ovata oblique 
abrupte acuta, margine antico apice denticulata raro subintegerrima, 
subsinuato-complicata ; lobulus triplo brevior sat conspicuus sub- 
transversus semiovatus turgidus, rarissime ad plicam redactus 
obsoletusve; cellule fere minutulz pellucidee ambitu anguste opace, 
1-4 prope folii basin duplo longiores primum materia grumosa 
obscuratee, demum vacue. Utriculi nulli vel rarissimi. 
Foliola dissita folio 3-plo breviora suborbiculata, ad vel paulo ultra 
} bifida, segmentis acutis. 
