Pymolejeunea . franz stephani. species hepaticarum (Vol. V, 1914). 



obtusa, brevi basi inserta, basi aiitica truncala. Cclkdai superae 18X18 [j., 

 basales 18x27 |x, trigonis magnis acutis. Lobulus niajusculus, folio 

 triplo brevior, oblongus, in plano duplo longior quam latus, carina 

 leviter arcuata, levi sinu in foiium excurrens, apice excisus, angulo 

 apiculato. Amphigastria caulina magna, caule triplo latiora, transverse 

 inseria, rotunda, apice ad V^ inciso-biloba, rima angusta, lobis sub- 

 acutis. Perianthia pyriformia (1,25 mm. longa, medio 0,67 mm. lata) 

 apiee truncato-rotundata, rostro valido, plicis posticis longe decurren- 

 tibus angustis. Folia floralia majuscula, obovato-oblonga (1 mm. longa, 

 0,5 mm. lata) apice obtusa, lobulus duplo brevior, anguste linearis, vix 

 solutus obtusus. Amphigastrium florale foliis floralibus sequilongum, 

 obovato-obconicum, ad V^ emarginato-bilobatum, sinu angusto, lobis 

 anguste triangulatis obtusis. Andrmcia sessilia, exigua, bracteis 2-3 jugis. 

 Hab. Campbell Islands. 



Pycnolejeunea Spruce 



Plantse majusculae vel parvae, flaccidse, irregulariter ramosse, in 

 cortice dense depresso csespitantes, in foliis arborum repentes. Folia 

 caulina imbricata, ssepe conferta, recte patula, concava apiceque 

 decurva, apice obtusa vel rotundata, rarissime acuta, semper integer- 

 rima. Cellulx foliorum majusculse, parietibus vulgo validis, ocellis 

 oleiferis vulgo basalibus, rarius in folio dispersis. Lobulus folii parvus 

 ovatus, in aliis numerosis valde elongatus, inflatus subcylindricus. 

 Amphigastria caulina magna et maxima, transverse vel sinuatim inserta, 

 rarissime cordata, semper bitida. Inflorescentia dioica, rarius monoica 

 vel autoica. Perianthia pyriformia, uno latere innovata, apice rotun- 

 data, quinque plicata, plica antica saepe minus producta vel obsoleta, 

 plicis angustis integerrimis, plus minus longe decurrentibus. Folia 

 floralia magna, obtusa vel acuta, integerrima, lobulo angusto acuto. 

 Amphigastrium florale magnum vel maximum, bidentatum, rariusinte- 

 gerrimum, vulgo liberum, rarius lobulis coalitum. Androecia parva, 

 sessilia rarissima in ramis terminalia, bracteis paucijugis. 



i. Africa 



1. Pycnolejeunea decurrens St. n. sp. Kamerun. 



2. Pycnolejeunea involuta St. n. sp. Usambara. 



597 



