Trachylejeunea. FRANZ STEPHANI. SPECIES hePaticarum (Vol.V, 1913). 



angusta, lobis late triangulatis apiculatis. Perianthia parva, optirae 

 pyriformia (1,17 mm. longa, superneO,75 mm. lata) integerrima, piicis 

 posticis longe decurrentibus, angustis integerrimis. Folia flaralia 

 perianthio parum breviora, obovato-oblonga, obtusa; lobulo duplo bre- 

 viore, anguste lineari, obtuso, ad V 3 soluto. Amphigastrium florale 

 foliis fior. sequilongum, anguste spathulatum, apice breviter incisum, 

 lobis obtusis. Andrcecia valde numerosa, sessilia, bracteis ad 5 jugis. 

 Hab. Amerint tropica. Flumen Uaupes. 



17. Trachylejeunea Spruceana St. Hedwigia, 1896, p. 138. 

 Dioica, mediocris flavescens vel rufescens, tnuseis consoeiata. Cauli.s 



ad 3 cm. longus, parum irregulariterque ramosus. Folia caulina imbri- 

 cata, recte patula, concava, in plano ovata, optime symmetrica (0,9 mm. 

 longa, 0,67 mm. lata) apice rotundata, brevissima basi inserta, basi 

 antica longe truncata vel sinuato-truncata, marginibus dense regulari- 

 terque serrulatis, basi antica nuda. Cellulse supera 18 jjl, basales 

 27X36 jt, trigonis majusculis, basi magnis. Lobulus majusculus, folio 

 triplo brevior, oblique adscendens, ovato-oblongus, duplo longior 

 quam latus, carina leviter arcuata, levi sinu in folium excurrens, apice 

 quam basisduplo angustiore, emarginato, angulo spina hamata armato, 

 sub apice constrictus. Amphigastria caulina majuscula, caule plus 

 duplo latiora, subrotunda, transverse inserta, ad medium biloba, sinu 

 recto acuto, lobis late triangulatis acutis, marginibus leviter serratis. 

 Androecia parva, sessilia, bracteis 4-5 jugis. Reliqua desunt. 

 Hab. fnsula Guadeloupe. 



18. Trachylejeunea subplana St. n. sp. 



Dioica majuscula, tenuissima, pallide flavicans, aliis hepaticis con- 

 sociata. Caulis ad 4 cm. longus, valde irregulariter ramosus, ramis 

 parvis et longioribus mi\tK simplicibus vel pauci-pinnulatis, sub flore 

 simpliciter inno\atns Folia caulina imbricata, recte patula, plano- 

 disticha (0,83 mm. longa, 0,58 mm. lata) apice late rotundata, brevi 

 basi inserta, basi antica longe truncata, marginibus superis irregula- 

 riter repandis vel suberosis. Cellulx superae 18 [n, basales 18 X 2 " V» 

 parietibus validis. Lobulus triplo brevior, recte patens, ovato- 

 oblongus, duplo longior quam latus, carina leviter arcuata, levi sinu 

 in folium excurrens, apice recte truncatus, angulo spina hamata 

 armato, sub apice leviter constrictus Amphigastria caulina majuscula, 

 late obovata, transverse inserta, basi late obcuneata, ad medium exciso- 

 bifida, sinu amplo, lobis anguste triangulatis acutis. Perianthia parva, 

 foliis caulinis cequimagna, optime pyriformia, plicis posticis angustis, 

 310 



