(Voi.. IV, 1912). FRANZSTEPHANI. SPECIES HEPATICARUM Leucolejeunea 



18 x^^ (j- trigonis majusculis attenuatis. Lobulus \n situ cylindricus, 

 quadruplo longior quam latus (in plano oblongus, duplo longior quam 

 latus), rarina substricta, apice oblique truncatus, in folii niarginerii 

 attenuatus, anguloapiculato. Amphiganlria caulina reniformia, maxima, 

 caulc quadruplo latiora, breviter sinuatim inserta, apice late trun- 

 calo-rotundata. Perianlhia pyriformia, uno latere innovata, rostro 

 majusculo, plicis posticis saepe in unam latam confluentibus. Folia 

 floralia caulinis subaequimagna, obovato-oblonga, apice rotundata, 

 lobulo parura breviore, lineari, breviter soluto, obtuso. Amphigaslrium 

 florale lobulis sequilonguni, optime ligulatum, plus duplo longius 

 quam latum, apice rotundatum. Androecia in caule sessilia, bracteis 

 quadrijugis. 



Hab. Brasilia, America septentrionalis. 



i. Leucolejeunea quitensis St. n. sp. 



Dioica, mediocris flaccida, pallide flavicans, aliis hepaticis corticolis 

 consociata. Caulis ad 3 cm. longus, parum irregulariterque ramosus. 

 Folia caulina parum imbricata, recte patula, valde concava, margine 

 postico arcte incurvo, in plano late ovata, asymmetrica, margine postico 

 stricto, antico valde arcuato, apice rotundata basi ad medium accreta. 

 Cellulee superae 18x27 {x, basales 36X^5 [jl, parietibus validis. 

 Lobulus in situ occultus, in plano ovatus, carina valde arcuata, apice 

 oblique truncatus, angulo mamilliformi. Amphigastria caulina magna, 

 caule quintuplo latiora, basi optime cordata, subcircularia vel parum 

 latiora quam longa. Androecia in caule ramisque numerosa, sessilia, 

 bracteis paucijugis. 



Hab. Peruvia. 



5. Leucolejeunea rotundistipula (Ldbg.) St. 



Dioica minor, pallide flavicans, in cortice et foliis arborum repens. 

 Caulis ad 2 cm. longus, breviter remoteque pinnatus, pinnis brevibus, 

 paucis longioribus interjectis. Folia caulina imbricata, recte patula, valde 

 concava apiceque arcte decurva, in plano subcircularia (0,65 mm. longa, 

 0,53 mm. lata), apice rotundata, latissima basi inserta. Cellulx superae 

 18 jjL validae, basales 18X27 [x trigonis magnis. Lobulus magnus, folio 

 duplo brevior, ovato-oblongus, carinaleviter arcuata, in folii marginem 

 stricle excurrens, apice duplo angustiore, exciso, angulo acuto. Amphi- 

 gastria caulina parva, caule duplo latiora, transverse inserta subcircu- 

 laria. Perianthia pyriformia, uno latere innovata, levia, rostro majusculo. 

 Folia /loralia C3iu\ims subduplo longiora, obovato-oblonga, apice rotun- 

 data, lobulo magno, ad V^ breviore lineari, haud soluto, apice truncato, 



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