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



ramis paucis longioribus, similiter pinnatis. Folia eaulina imbricata, 

 recte patula, valde concava apiceque decurva, in plano late ovata 

 (1,5 mm. longa, 1,33 mm. lata) subsymmetrica, apiee obtusa, ad 

 medium accreta, basi anticatruncato-rotundata. Cellul* ubi(|ue a*quales, 

 27X27 tji, parietibus validis. Lobulus magnus, folio triplo brevior, in 

 situ oblongus, in plano ovatus, carina oblique adscendens, leviler 

 arcuata, amplo sinu in folium excurrens, apice quam basis plus duplo 

 breviore, recte trunrato, anguln acuto. Amphigastria caulina maxima, 

 caule (juiutuplo vel magis latiora, subrotunda, sinuatim inserta opti- 

 uit-que cordata, apice breviter exciso-bidentula angusteque recurva. 

 1'manthia oblongo-pyriformia, profunde quinqueplicata, apice leviter 

 obcordata, rostro submerso, plicis posticis longe decurrentibus oinni- 

 bus angustis inflatis, apice umbonatiin promiuulis. Folia floralia 

 perianthio aequilonga, acuta, sub apice paucidentata, lobulus folio 

 subaequalis, ad niedium sohitus, similiter dentatus. Amphigastrium 

 florale perianthio duplo brevius, obovato-obconicum, liberum, apice 

 breviter excisobilobatum, lobis acutis paucidentatis, in sinu levibus. 

 Andmcia desunt. 

 Hab. Peruvia. 



26. Hygrolejeunea elongella (Gottsche) St. 



Syn. : Lejeunea elongella G. Ann. sc. nat., 1864 p. 161. 



Dioica magna gracillima, pallide flavicans, in cortice dense depresso- 

 caespitosa, Caulis ad 7 cm. longus, sparsim irregulariterque pinnatus, 

 ramo longiore hic illic interjecto, similiter pinnato. Folia caulina 

 parum imbricata, subrecte patula, valde concava, in plano late jovata 

 (1,33 mm. longa, rnedio 1 mm. lata), asymmetrica, basi antica maxime 

 ampliata iateque rotundata, apice obtusa, ad medium inserta, margini- 

 bus celluloso-crenulatis. Cellulse superae 27X27 ji, basales 27 x 36 

 trigonis inajusculis, in medio parietum nodulosis. Lobulus parvus (sa^pe 

 obsoletus) folio sextuplo brevior, late conicus, carina oblique adscen- 

 dens. substricta, levi sinu in folium excurrens, apice quam basis duplo 

 angustiore, margine supero substricto, apice emarginatus, angulo 

 spina valida hamata unicellulari armato. Amphigastria cauliua maxima, 

 foliis a3quimagna,parumlatioraquamlonga,profunde sinuatim inserta, 

 optime cordatim ampliata, apice ad V* inciso-biloba, sinu angusto, 

 lobis acutis. Flores feminei uno latere innovati. Folia floralia parva, 

 0,5 mm. longa, late obovato-obconica, apice acuta vel apiculata ; lobu- 

 lus tertio brevior, obovato-oblongus, ad Vs solutus, apice obtusus. 

 Amphigastrium florale foliis floralibus jequilonguni obovato-obconicum, 

 535 



