Taxilejeunea. viwkl stephani. species HEPATICARUM ( Vol. V, 1913). 



rotundata, ad medium bifida, laciniissubacutis, basicordata. Perianlhia 

 uno latera^ innovata, quinqueplicata. Folia floralia perianthio duplo 

 brcviora. Amphigaslrium florale, foliis floralihns longius, angustum. 



llab. CuLumbia. Bogota. 



Die Pflanze ist im Herbar des Autors nicht enthalten und daher hier 

 nur die Original Diagnose iibertragen. 



30. Taxilejeunea isocalycina (Nees) St. 



Syn. : Omphalanthus isocalycinus Nees. Syn. Hep., p. 305. 



Monoica, magna, robusta, flaccida, pallide virens, in cortice cais- 

 pitans. Cellulx ad 7 mm. longus, sparsim irregulariterque ramosus, 

 Folia caulina parum imbricata, oblique patula, concavaetparce decurva, 

 in plano ovato-triangulata (i,33mm. longa et lata) apice obtusa vel 

 rotundata, latissima l^asi Inserta, basi antica rotundata, integerrima. 

 CeUulie 36 X '^6 [J- ubique fere aequales, trigonis minutis, marginales 

 crenatini prominulse. Lobulus ad plicam exiguam reductus vel omnino 

 nulius. Amphigaslria caulina gigantea, foiiisubgequimagna, subrotunda, 

 profundissime sinuatim inserta, alis cordatim ampliatis rotundatis 

 conniventibus, apice ad V* biloba, sinu angusto obtuso. lobis acutis, 

 Perianthia unolatere innovata, clavata,apicetruncato-rotundata,inflata, 

 eplicata, rostro brevissimo, umbilicatum demerso. Folia floralia perian- 

 thio subsequilonga ovato-obJonga, acuminata acuta integerrima; lobu- 

 lus triplo brevior, linearis, haud solutus, obtusus. Amphigastrium 

 florale giganteum, perianthio subsequilongum, subrotundum, liberura, 

 apice ad V* inciso-bilobatum, rima angusta, lobis late triangulatis 

 apiculatis. Andrcecia minuta, sessilia bracteis paucijugis. 



Hab. America tropica, valde communis. 



31. Taxilejeunea laevicalyx (Gottsche) St. 



Syn. : Lejeunea leevicalyx Gottsche. Hep. Mexican., 1863, p. 317. 



Monoica pussilia, flavescens, aliis hepaticis consociata. CauHs ad 

 10 mm. longus, irregulariter multiramosus. Folia caulina contigua vel 

 remota recte patula, paruni concava, in plano ovata, subsymmetrica 

 (0,67 mm. longa, 0,5 mm. lata) apice rotundata, ad medium inserta, 

 basi antica truncato-rotundata. Cellulse supera^, 18X18 u, basales 

 18 X 36 {JL, trigonis nullis. Lobulus majusculus, folio quadruplo brevior, 

 late ovatus, carina oblique adscendens, substricta, levi sinu in folium 

 excurrens, apice quam basis duplo angustiore, recte truncato, angulo 

 obtuso, sub apice constrictus, Amphigastria caulina magna (0,33 mm. 

 longa et lata) caule triplo latiora, ambitu subrotunda, transverse inserta, 

 basi leviter obcuneata, ad ^/3 biloba, sinu obtuso subrecto, lobislanceo- 



469 



