(VOL. V, 1913). franz stephani. species HEPATICARUM Harpalejeunea - 



10 mm. longus, sparsim minuteque ramosus. Folia caulina remota, 

 oblique patuia, valde concava, in plano ovato-oblonga (0,33 mm. longa, 

 medio 0,21 mm. lata) acuminata acuta, brevi basi inserta, basi antica 

 truncato-rotundata, marginibus cellulis prominulis irregulariter crenu- 

 latis. Cellulse superse 9 X 18 {a, basales 18 X 18 |i, validae. Lobulu* 

 maximus, folio parum brevior, oblique adscendens, anguste oblongus, 

 quadruplo longior quam latus, carina valde arcuata, levi sinu in folium 

 excurrens, apice quam basis duplo angustiore, oblique truncato, angulo 

 pilifero, sub apice constrictus. Amphigastria caulina parva, caule parum 

 latiora, transverse inserta, parum breviora quam lata, apice retusa, 

 lobis rotundatis. Inflorescentia feminea uno latere innovata. Folia flora- 

 lia subobovata, acuminata acuta, subserrato-crenato, lobulo parum 

 minore oblongo obtuso, carina anguste alata. Amphigastrium florale 

 foliis fior. duplo brevius, obovato-oblongum, apice retusum. Andracia 

 ignota. 



Hab. Patagonia. Staten Island. 



47. Harpalejeunea parasitica (Tayl.) S. Hep. Am. And. 

 p. 165. 



Syn. : Lejeunea parasitica Tayl. J. of Bot 1844, p. 477. 



Dioica exigua, pallide rufescens, aliis hepaticis consociata. Caulis ad 

 10 mm. longus, parum ramosus, sub flore innovatus. Folia caulina 

 contigua, subrecte patula, parum concava, in plano ovato-oblonga^ 

 late longeque attenuata, acuta, brevi basi inserta, basi antica late 

 rotundata. Cellulm superse 9 u., inferae 14 (i, trigonis nullis. Lobulm 

 magnus, folio duplo brevior, oblique adscendens, oblongus, triplo lon- 

 gior quam latus, carina arcuata, sinu amplo in folium excurrens, apice 

 quam basis duplo angustiore, recte truncato, angulo obtuso, sub apice 

 valde constrictus. Amphigastria caulina parva, caule parum Iatiora r 

 subquadrata, transverse inserta, apice retusa, lobis rotundatis. Perian- 

 thia parva (0,9 mm. longa, 0,5 mm. lata) obovato-oblonga, apice 

 utrinque oblique truncata, paucispinulosa, plicis posticis longissime 

 decurrentibus, superne similiter armatis, rostro valido. Folia floratia 

 perianthio parum breviora, ligulata, apiculata, lobulo parum breviore r 

 lineari truncato, acuto vel obtuso, haud soiuto. Amphigastrium florale 

 ligulatum, subrectangulatum, apice truncato-rotundatum. 



Hab. Chile. 



48. Harpalejeunea oxyota (Mont) St. 

 Syn. : Lejeunea oxyota Mont. Sylloge Crypt. p. 75. 



Dioica exigua, pallide flavicans, in cortice repens. Caulis ad 10 mm. 

 268 



