Ceratolejeunea. FRANZ stephani. species HEPATICARUM (Vol. V, 1913). 



41. Ceratolejeunea Haeckeriana (Gottsche et Ldbg) St. 

 Syn. : Lejeunea Hseckeriana G. et L. Syn. Hep. p. 401. 



Dioica minor, rufo-brunnea corticola. Caulis ad 2 cm. longus, irre- 

 gulariter longeque ramosus. Folia caulina parum imbricata, recte 

 patula, parum concava, in plano ovata (1 mm. longa, 0,75 niiu. lata) 

 subsymmetrica, apice acuta vel obtusa, brevi basi inserta, basi antica 

 truncata. Cellulse superse 18X18^, basales 27X36 jj., ocellus 

 27x45jj., trigonis nullis. Lobulus parvus, folio quadruplo brevior, 

 ovato-triangulatus, recte patens, carina oblique adscendens, sub- 

 stricta, levi sinu in folium excurrens, apice quam basis triplo angus- 

 tiore, oblique truncato, angulo spina hamata armato. Amphigastria 

 caulina magna, caule triplo latiora, transverse inserta, subrotunda, ad 

 V» inciso-biloba, sinu subrecto, lobis late triangulatis acutis. Perianthia 

 obovato-oblonga (1,17 mm. longa — cornibus exclusis — 0,6 mm. 

 lata) quadricornuta, cornibus angustis attenuatis, 0,4 mm. longis, 

 omnibus aequalibus, lateralibus late divergentibus, porrectis; rostro 

 angusto. Folia floralia parva, obovato-oblongo, apice mamillatim 

 dentata; lobulus parum brevior, Ianceolatus, ad medium solutus, 

 acutus, integerrimus. Amphigastrium florale foliis floralibus sequi- 

 longum obovatum, ad V 4 incis-bilobatum, lobis triangulatis acutis. 

 Androzcia desunt. 



Hab. Peruvia. 



42. Ceratolejeunea heteroloba St. n. sp. 



Dioica magna robusta, rufo-brunnea, corticola. Caulis ad 6 cm. 

 longus, irregulariter pinnatus, hic illic bipinnatus. Folia caulina 

 imbricata, recte patula, valde concava apiceque arcte decurva, in plano 

 ovata (1,25 mm. longa, 1 mm. lata) asymmetrica, margine postico, 

 stricto, antico late rotundato, acuta, superne regulariter remo- 

 teque dentata, inferne nuda, brevi basi inserta, basi antica truncata. 

 Cellulx superae 23X23^ trigonis parvis, basales 36X45^, trabe- 

 culatim incrassatae, trabeculis interruptis. Ocellus basalis 27X81 y~ 

 Lobulus parvus folio quintuplo brevior, ovatus recte patens, carina 

 leviter arcuata, levi sinu in foiium excurrens, apice quam basis 

 triplo angustiore, oblique truncato, angulo apiculato. Lobulus 

 ramulinu* inulto niajor, globosus, folio triplo brevior, maxime 

 inflatus maximeque involutus, apice quam basis multo angustiore, 

 oblique truncato, angulo acuto. Amphigastria caulina magna, caule 

 triplo latiora, sinuatim inserta, latiora quam longa (0,5 mm. lata, 

 0,4 min. longa) ad mediom inciso-biloba, sinu recto lobis late triangu- 



1« Novembre 4913. 417 27 



