(VoL. V, 19U). FP.ANZ STEPH.\M. SPECIES IIEPATIC.\RUM Pycnolejeimea. 



inci.so-biloba, siiiu semireclo, lobis late triangulatis acutis. Andrmia 

 parva, sessilia, bracteis paucijugis, ex apice vegetativa. Pieliqua desunt. 

 Hab. Madagascar. Imula MauritiuH. 



fl. America tropica 



a) lirevHoba 



5. Pycnolejeunea decurviloba St. Hedwigia 1896, p. 125. 

 Dioica major, robusta rufescens vel rufo-brunnea, in cortice" laxe 



intricata. Caulin ad 4 cm. longus, validus, irregulariter remoteque 

 ramosus; Foliu caulina conferta, recte patula, valde concava apiceque 

 anguste decurva, in plano ovato-triangulata (1,33 min. longa, basi 

 1,17 mm. lata) asymmetrica, margine supero late rotundato, infero 

 stricto, apice late rotundata, ad medium inserta, basi antica longe 

 truncata. Cellulie supene 27X27 [x, basales 27X36 {x, trigonis magnis, 

 marginales papuloso-prominulae. Lobulus parvus, folio quintuplo bre- 

 vior, decwnms, carina sinuata, margine supero et apice ex parte occulti, 

 in piano recte patens, ovatus, carina stricta, stricte in folium excur- 

 rens, apice quam basis triplo angustiore, recte truncato, angulo obtuso. 

 Amphigastria caulina gigantea, plus duplo latiora quam ionga i\ ,17 mm. 

 lata, 0,67 mm. longai sinuatim inserta, apice brevitor inciso-bidentula, 

 dentibus vix prominulis. Periuathia uno latere innovata, e basi longe 

 cylindrica obovato-obconica (2,25 mm. longa, sub apice 1,25 mm. 

 lata) apice truncata, rostro subnullo, plicis posticis angustis breviter 

 divergenti-decurrentibus. Foliu tloralia pfrianlliio parum breviora 

 obovato-obconica, apice late rotundata; lobulus (lui)l<» hrcvior, angu.ste 

 obiongus, acutus vel obtusus, profunde solnlus. Amphigdslrium floraie 

 folis floralibus a^quilongum, subrotundum, apice ad ^j\ iuciso-bilobatum, 

 rima angusta, lobis obtusis. Andrcecia sessilia, interdum ex apice vege- 

 tativa, bracteis 5-6 jugis. 

 Hab. Ecuador, Trinidad. 



6. Pycnolejeunea densistipula (Lebm.) St. 

 Syn, : Lejeunea densistipula Lehm. Pug. VII 1838, p. 20. 



Lejeunea cryplantha De Not. in Lebm. Pug. X. 1841, p. 14. 



Sterilis, magna, robusta, valida, rufo-brunuea, dense depresso-ca?spi- 



tosa, corticola. CaulisdiA 7 cni. longus, fasciculalini nHiltirainosus, bipin- 



natus; Folia caulina confertissima, recte patula, maxime concava, apice 



late decurva, in plano ovata, symmetrica (1.17 nini. loiiga, 0,83 mm. 



t)02 



