248 PycNo-LEJEUNEA. 
sparsis.—Folia caulina minus imbricata, ramea tamen valde con- 
ferta. 
Foliola imbricata foliis 2~plo—in var. vix 2-plo—minora, oblato-rotunda 
y. subreniformia, fere ad $ biloba, sinu lato triangulari segmentisque 
acutis. 
Flores moneici: Q in ramo seepe brevi terminales, innovatione simplice 
suffulti. Bracteze foliis longiores subpatulee incurvo-conniventes, 
complicato-bilobe, lobo oblique oblongo subobtuso, lobulo sub- 
breviore lanceolato lingulatove acuto, cum bracteola obovato-spatu- 
lata integra vel seepius emarginato-bidentula, dentibus conniventibus, 
basi coalitee. 
Perianthia subemersa vel immersa obovato-pyriformia, vix compressa, 
brevissime rostellata, apicem versus argute 5-carinata subleevissima, 
fructu emerso turgida, carinis fere obliteratis, apice 4-fida; e calyptra 
rufa inclusa:flavida videntur, apice tamen scariosa et quasi vitrea. 
Calyptra magna perianthium fere implens, sessilis, pyriformis apice 
valvatim 4-fida, valvulis inzequilatis acuminulatis, antica sublatiore 
stylo persistente coronatéa Capsula magna globosa ad ? usque in 
valvulas 4 lanceolatas fissa. 
Andrecia inramis brevibus interdum parvifoliis terminalia, vel ramulo 
solo constantia, ovoidea; bractez sub 4-jugée, sat magne, turgidee. 
Var. latifolia. F °75x°8, lob 125; f'* 4x -6™™.—Major, robustior. 
Caules bipollicares, aliis ramis superne attenuatis, aliis tota longitudine 
microphyllis. Folia majora, oblata, fere reniformia, rarius ocellata; 
lobulus contra minor, folio 6-plo brevior. Foliola dimidium folium sub- 
excedentia, margine subangulata, segmentis apiculatis acuminulatisve. 
Bracteola apice ad }-+ fissa (in flore steril).—Plantze perssepe unisexu- 
ales.—Curipi propre Pard, in cortice. 
Var. parvula, rigidula, folii lobulo longiore.—Santarem et San Carlos. 
Obs. Pycno-L. contiqgua foliis confertissimis inter Lejewneas Schizostipas 
fere unica est, solumque cum L. macroloba et affinibus conjungi potest. 
2. Pycno-LEJEUNEA MACROLOBA, Mont. 
Ann. des Sc. Nat. 1843, p. 260. G. L. et N. Syn. Hep. 359. 
Hab. Ad fl. Negro et Uaupés, in cortice ramulisque, saepe aliis hepaticis 
irrepens. 
F 1:05 x °8,°8 x °65, ‘75x °6; lob. 55; ¢ gape ; fle 5 x 65, “4x °6; br 1-1 x 
*Bbs Orl* Vl x 9D, 20s pen 10d x bom. 
Repens, dense stratificata vel sparsa, albicans, siccando interdum fusces- 
eens. Caules validi 1—-2-pollicares inordinatim ramosi, seepe iteratim 
innovandi monotropi. 
Folia tenera arctissime imbricata divergentia late semicordato-oblonga- 
ovatave apice decurvo rotundata obtusatave, margine postico ultra 
medium v. fere ad apicem usque in lobulum cylindricum (explicatum 
lato-linearem) apice in folium oblique vel sensim transeuntem con- 
voluta—carin&é interdum bis implicatéa—facie papuloso-scabra; cel- 
lulie parvulee pellucidee equilateree subconformes, extus in conum 
obtusum alte prominulee. 
Foliola imbricata foliis zquilata sed duplo breviora, reniformi-rotunda, 
basi subcordata, apice ad 4-4 acute late bifida, segmentis apiculato- 
acutis incurvulis; subfloralia majora minus profunde fissa. 
