(VOL. V, 1945). FRANZ STEPHANI. SPECIES HEPATICARUM Lejeunea. 



170. Lejeunea Helmsiana. St. Hedwigia, 1896, p. 89. 

 Sterilis, parva, dilute virklis, aliis hepaticis consociata vel corticola. 



Caulis ad 5 mm. longus, sparsim longeque ramosus. Folia caulina 

 imbricata, oblique patula, valde concava, in plano ovata, symmetrica 

 0,67 mm. longa, medio 0,5 mm. lata) ad medium inserta, basi antica 

 truncata, caulem vix tegentia, apice obtusa, integerrima. Cellulte supe- 

 18X18 {i, basales 18X36 trigonis parvis. Lobulus maximus, 

 folio duplo brevior, oblongo-ellipticus, duplo longior quam latus, valde 

 inflatus, carina arcuata, subsaccata, amplo sinu in folium excurrens 

 apice quam basis duplo angustiore, emarginato, angulo spinula longa 

 armato, sub apice constrictus. Amphigastria caulina majuscula, caule 

 subtriplo latiora, subrotunda, transverse inserta, ad medium inciso-bi- 

 loba, sinu semirecto, lobisanguste triangulatisobtusis. Reliqua desunt. 

 Hab. Nova Zelandia. 



171. Lejeunea Kirkii. St. n. sp. 



Syn.: Cheilolejeunea muscicola St. Hedwigia, 1895, p. 243. 



Dioica viridis parva, muscis consociata. Caulis ad 2 cm. longus, 

 remote longeque ramosus. Folia caulina imbricata, parum concava, in 

 plano ovato-oblonga (1 mm. longa, medio 0,67 mm. lata) ad medium 

 inserta, basi antica truncato-rotundata, apice obtusa, marginibus leviter 

 crenulatis. Clllulm supera 18X18 basales 27X36 ^trigonisparvis, 

 cuticula minute aspera. Lobulus parvus, folio quintuplo brevior, ovato- 

 oblongus, duplo longior quam latus, carina oblique adscendens, substric- 

 ta, amplo sinu in folium excurrens, apice quambasistriploangustiore, 

 oblique truncato, angulo acuto, sub apice constrictus. Amphigastria cau- 

 lina magna, late ovata, leviter sinuatim inserta, ad medium biloba, 

 sinuangustoobtuso,laciniislanceoIatisacutis porrectis. Perianthia uno 

 latere innovata, subclavata (1,1 mm. longa, superne 0,58 mm. lata) apice 

 rotundata, rostro conico majusculo, quinqueplicata, plicis posticis an- 

 gustis, breviterdecurrentibus, plica antica bene producta. Folia floralia 

 perianthio parum breviora, obovato-oblonga, obtusa, lobulus parum bre- 

 vior, anguste ligulatus, ad 73 solutus, obtusus. Amphigastrium florale 

 foliis floralibus aequilongum, obovato-oblongum, ad medium bifidum, 

 sinuangusto obtuso, iaciniis ligulatis, apice rotundatis. Andrncia ignota. 



Hab. Australia, Tasmania N. Zelandia. 



172. Lejeunea nudipes. Taylor. Syn. Hep., 372. 



Dioica, exigua, dilute flavicans, flaccida in cortice pulvinatim ca?spi- 

 tans. Caulis ad 5 mm. longus, irregulariter multiramosus. Folia cau- 

 lina remota, recte patula, valde concava, in plano obovato-oblonga 

 796 



