HyGro-LreJEUNEA. [ 239: 
imbricata, apice dissita, ovato-lanceolata acutata vel subacuminata 
acuta, basi antica semicordata caulem transeuntia, postica sinuato- 
complicata; lobulus parvus, folio 5-7 plo brevior, ovatus saccatus, 
apice subacuto occulto conspicuove ; cellule parvule equilaterve 
pellucidz leptodermes, inferiores mediz submajores. 
Foliola late imbricata, maxima, folia superficie excedentia, oblato- 
cordato-orbiculata, ad 4 acute bifida, segmentis ovatis obtusis, basi 
radicellifera, lateribus incurva. 
Flores dioici: 2 in caule ramove terminales, innovationibus 2 (minutis) 
oppositis suffulti. Bracteze foliis parum diverse, ad #4 alt. usque 
bilobe, lobulo lobo duplo breviore explanato, oblique oblongo 
rotundato ; bracteola foliolis mediis major, eadem forma, ultra 4 
bifida, segmentis ovatis obtusis; foliola duo, florem proxime 
sequentia, bracteol4 imo majora, solum ad 4 fissa. 
Perianthia (valde juvenilia) 5-carinata glabra. 
Andreecia in caule ramisque terminalia; bracteze 3-8(raro pluri) -juge, 
foliis sensim paulo minores, lobulo cum lobo in formam navicularem 
complicato, apice triangulari acuto. Antheridia binata maxima. 
Lejeunea undulata I. et G. Syn. Hep. 768; Gotts. Mex. Leverm. 200, 
nostre plane affinis, folia habet breviora, ovata, ex acumine seepe apicu- 
lata ; foliola foliis duplo fere minora, basi minus distincte cordata, 
segmentis autem ac in L. prionoide obtusis. 
10. HyGro-LEJEUNEA HETEROCHEILA, Tay].! 
Lond. Journ. Bot. 1846, p. 394. Syn. Hep. 768. 
Hah. In M. Chimborazo, alt. 1500™, ad arborum ramos (R. 8.)—Antea in 
M. Pichincha lecta (JAMESON). 
F 13x °8, lob 125-2, c. medie 35, inferiores 75; f'* 85x 1:0™m, 
Elata flaccida flavo-viridis, effusa vel pendula. Caules 3-pollicares, 
parum ramosi, ramis primariis elongatis, ramulis brevibus. 
Folia magna, contigua vel lobulos solos imbricantia, angulo fere recto 
divergentia, oblique semicordato-ovato-oblonga, vel-ovato-lanceolata, 
acuminato-bispinosa, nempe extra apicem acute acuminatum dente 
minore acuminulato antice aucta, ceeterum vel integerrima vel denti- 
culo obtuso in medio sinu apicali interjecto, basi sinuato-complicata, 
lobulo minuto, folio 7-10-plo breviore, triangulari inflato; cellule 
mediocres pellucide, plurime suprabasales laxiores majusculz. 
Foliola imbricata, foliis perpaulo minora, cordato-orbiculata, subreni- 
formia, paulo ultra $ anguste bifida, segmentis subcontiguis apicu- 
lato-acutis, lateribus plus minus incurva. 
Flores nobis adhuc incogniti. 
Hygro-L. prionovdes S. diversa est teneritate ; foliis angustis lanceolatis 
apice simplicibus; foliolorum segmentis obtusis. 
11. Hye@ro-LEJEUNEA ROTUNDIFOLIA, Mitt.! (Tas. IX.) 
In Hook. Journ. Bot. (1857), p. 359. 
Hab. Ad arborum ramulos, in valle fluvii Pastasa, secus fl. Verde, alt. 
1300™. In devexis occidentalibus montis Pichincha (JAMESON). 
F 135x105, 1:25x-9; lob -4--45x 25; ¢ AL; f 110x135, 9x15; 
pre tsbr* 10x 8; per 1b «7m, 
Pendula flaccida pellucida albescens, dein flavicans fulvave. Caules 4-6- 
