CrossoTo-LEJEUNEA. 163 
alterove majusculo aucta. Foliola subimbricata, laciniis extus 
valide unidentatis—quasi ineequaliter bilobis—margine eroso-subden- 
ticulata. Perianthia contra minus armata sunt.—Hab. Fl. Uaupés. 
2. CrossoTo-LEJEUNEA PAUCISPINA, Spruce, 
Hab. Fl. Negro, in truncis putridis ad S. Gabriel et riv. Cauapuna; in 
arborum ramulis ad fl. Bombonasa. 
F “75x °5; lob 2-08; cay; f' °3x °35, 3 x °25, 25 x 25; br. lob “6 x °25; 
br ae 253) per 1-0 x “5™™, 
Tenella viridis, interdum pallida v. subolivacea late repens. Caules 1-2- 
pollicares debiles pinnati et subbipinnati, seepe valde intricati, ramis 
inequilongis. Folia parum imbricata subplana oblique ovato-oblonga 
abrupte acuta acuminulatave rarius minute apiculata, obtusa, rotunda- 
tave, integerrima vel lenissime celluloso-crenulata apiceque eroso- 
denticulata, subrecte complicata; lobulus parvus, folio 4-10-plo 
brevior basi decurrens quadratus (sed e margine incurvo ovoideus) 
seepe subobsoletus; cellulee mediocres subzequilateree leptodermes, 
centro pellucidee, ambitu opacee, plane, marginales autem ceteris 
multo minores interdum subprominule. 
Foliola dissita, } folium vix equantia late cordato-orbiculata profunde 
(ad #) bifida, segmentis subdivergentibus acuminatis, utrinque medio 
margine 1-dentata v. seepissime integerrima. 
Flores monoici: 2 in ramo brevi, seepe iteratim prolifero (subtrifloro), 
terminales. Bractez foliis subbreviores oblique lanceolata: margine 
antico denticulate v. seepe grosse 3-dentatee, lobulo 5-plo breviore 
rhombeo lingueeformive; bracteola minor oblonga v. ovali-lanceolata 
ad 4 bifida, segmentis acuminatis. 
Perianthia foliis longiora obconico-pyriformia sat compressa, apice obcor- 
dato brevirostria, antice depressa postice bicarinata, margine carinis- 
que apice subalatis parce spinosa, spinis valde deciduis, 
Andrecia brevispica cauligena, folio breviora v. sublongiora; bractez 
3-6-jugee parvee. 
Var. rufescens : foliis omnibus distincte lobulatis; perianthiis longioribus 
subclavatis; andreeciis seepe elongatis.—Ad fl. Bombonasa. 
A L. Boryana certe differt caule longiore regulariter pinnato ; foliis 
parvilobulatis ad lobuli apicem vix sinuatis, cellulis leptodermibus; 
foliolis orbiculatis; perianthiis multo minus cristatis. 
3. Crossoro-LEJEUNEA TORTICUSPIS, Spruce, 
Hab. In fl. Negro sylvis, ad S. Gabriel, aliis hepaticis irrepens; secus riv. 
Taruma, ad arborum ramulos; pl. ? sola sterilis. 
F 65x45, 6x °4; lob “1-15; ¢ gy; fl 3x 35, 2x °3; br. lob “5mm, 
Pallida, siccando rufo-fusca, prostrata. Caules 1-2-pollicares flexuosi 
pinnatim ramosi, intexti. 
Folia subimbricata, a basi plicata patente, subdivaricata, oblique late 
oblonga ovatove-oblonga, interdum basi subsemicordata, apice de- 
curvo tortili subacuta, raro apiculata v. rotundata (ramea longiora 
acutioraque), margine fere toto celluloso-crenulata, apicem versus 
angulata v. subdenticulata; lobulus 4-6-plo brevior decurrenti-sac- 
