262 — 



contigua, recte patuia, apicc decurva, in piano ovato-trigona (0,9 mm lata, inforne 0,58 mm lata) apice 

 apiculata, hamatim decurva, basi antica truncato-rotundata, caulem tegontia, celluloso-crenulata. C c 1 1 u- 

 1 a e superae 27/27 [i, basales 27/36 n, trigonis nullis. L o b u 1 u s parvus, latissimus, ambitu late triangu- 

 latus, carina oblique adscendens, leviter arcuata, levi sinu in folii marginem excurrens, apice quam 

 basis quadruple angustiore, oblique truncato, sub apice constrictus. Amphigastria caulina 

 gigantea, rotunda (0,75 mm longa et lata) basi profunde cordata, aus late rotundatis, apice ad l^ inciso- 

 biloba, sinu semirecto, lobis late triangulatis acutis. Androooia in caule sessilia, bracteis quadrijugis. 

 Florida de San Mateo, No. 3664. 



442. Taxilejeunea Herzogiana St. (Fig. 224). 

 Corani, 1800 m, No. 4692. 



443. Taxilejeunea isocalycina (Nees.) S. 

 San Miguelito, 1600 m, No. 2770/a. 



444. Taxilejeunea lancifolia St. n. sp. (Fig. 225, a). 

 Sterilis major gracillima, 



flaccida, hyalina, in ramulis 



arborum pendula laxeque in- 



tricata. C a u 1 i s ad 5 cm 



longus, irregulariter longeque 



ramosus, pallidus. F o 1 i a 



caulina contigua, in ramis 



remota, oblique patuia, sub- 



plana, oblongo-lanceolata(l,17 



mm longa, medio 0,5 mm lata) 



lata basi inserta, marginibus 



longe leviterque arcuatis, basi 



antica caulem vix tegentia, 



apice longe cuspidata, inte- 



gerrima. C e 1 1 u 1 a e superae 



18/36 n, basales 27/36 ■^, tri- 

 gonis nullis. L b u 1 u s ad 



plicam minimam reductus. 



Amphigastria caulina 



majuscula, late ovata, caule 



subtriplo latiora , transverse 

 inserta, ad Ya emarginato-bifida, sinu amplo, laciniis anguste lanceolatis porrectis acutis. 



Tablas, 1800 m, No. 4545, 4649. 

 445. Taxilejeunea longiloba St. n. sp. (Fig. 226). 



Dioica magna flaccida gracilis, virens, in cortice denso depresso-caespitans. C a u 1 i s ad 6 cm 

 longus, parum breviterque ramosus. Folia caulina imbricata, subrecte patuia, parum concava, 

 in piano subrotunda (3 mm longa, 2,25 mm lata) ad Yj accreta, margine s u p e r o e basi rotundata 

 longe arcuato, caulem superante, margine i n f e r o similiter curvato, apice late rotundata vel leviter 

 obtusa. C e 1 1 u 1 a e superae 36/36 \>., basales 36/54 \j., trigonis nullis. L o b u 1 u s angustus, erectus, 

 cauli longe accrctus (1 mm longus, 0,5 mm latus) quasi anguste saccatus, apice recte trimcatus, repandus 

 vel subdenticulatus. Amphigastria caulina gigantea, subcircularia (2,5 mm longa, 3 mm 

 lata) ad medium sinuatim inserta. apire ad "j inciso-biloba, sinu angusto, lobis late triangulatis apiculatis, 

 leviter conniventibus. Folia f I ■> r u I i :i dlmvato-oblonga (4 mm longa, 2 mm lata) apice rotundata, 

 integra, interne attenuata. L n b ii I ii s .'! mm longus, anguste spathulatus, tolio breviter connatus 

 et parallelus, apice obtuso. A m p h i g a s l r i u m 1 1 o r a 1 e subrotundum (3 mm longum, 2,5 mm 



Fig. 226. Taxilejeunea longiloba St. n. S|) 



caul. in situ 15 : 1; b amphig. caul. 15 : 1 



flor. i5 ; 1; rf amphig. flor. 15 ; 1. 



Fig. 225. a Taxilejeunea lancifolia 

 St. n. sp. parscaulislO :1; b T. 

 paucidens St. n. sp. pars caulis 



