(VOL.V, 1914). franz stephani. species hepaticarum Euosmolejeunea. 



linearis, breviter solutus, apice obtuso. Amphigastrium florale lobulis 

 aequilongum, obovato-obconicum, apice truncato-rotundatum, integer- 

 rimum. Andrcecia ignota. 

 Hab. Usambara, Insulse Mascarense, Madagascar. 



5. Euosmolejeunea thomeensis St. n. sp. 



Sterilis magna gracillima, flavescens, dense deprcssn-r;i'spitosa, cnr- 

 ticola. Caulis ad 8 cm. longus, medio dense pinnulatus, basi apiceque 

 nudus. Folia caulina parum imbricata, subrecte patula, valde concava, 

 in plano ovata, subsymmetrica (1,17 mm. longa, 0,83 mm. lata) apice 

 nbtusa, brevi basi inserta, basi antica late rotundata, caulem tegentia. 

 Cellulat superse 15 X 1 8 >x, basales 18 X 27 |x trigonis majusculis acutis. 

 lobulus majusculus, folio quadruplo brevior, oblique adscendens, in 

 situ oblongus, in plano late ovatus, carina leviter arcuata, amplo sinu 

 in fnlium excurrens, apice quam basis plus duplo angustiore, rxriso, 

 angulo spinula valida armato. Amphigastriu rauliri;i maxima, reniformia 

 (0,83 mm. lata, 0,67 mm. longa, profunde sinuatim inserta, apice late 

 t r 1 1 1 1 r a t < >-rotundata, integerrima . 



Hab. Insuhi San Thome ( 'Africa nrridentalis). 



II. America tropica. 



a. ParviUipulce. 



6. Euosmolejeunea duriuscula (Nees) St. Hedw. 1890, 

 p. 80. 



Syn. : Lejeunea duriuscula Nees, Syn. Hep. p. 364. 



Lejeunea flexuosa Ldhg. Syn. Hep. p. 385. 



Lejeunea Sullivantix Aust. Torrey Bot. Cl. 1872, p. 15. 



Lejeunea Austini Lindb. Soc. Sc. Fenn. 1875, p. 489. 



CheUolejeunea duriuscula S. Hep. Am. And. p. 259. 



Lejeunea Underwoodii St. Botan. Gaz, 1892, p. 171. 

 Oioica parva, flavo-virens, dense depresso caespitans. Caulis remote 

 invgulariterque ramosus. Folia caulina parum imbricata, oblique 

 patula, parum roncava, in plano late ovata (0,67 mm. longa, medio, 

 0,58 mm. lata) apice obtusa, lata basi inserta, basi antica truncata. 

 Cellulee superae 18 X 18 |t, basales 18 X27 trigonis magnis. Lobulus 

 majusculus, folio tripio brevior, in situ ovato-oblongus, oblique 

 adscendens, in plano ovato-triangulatus, carina arcuata, levi sinu in 

 folium excurrens, apice quam basis duplo angustiore, leviter exciso, 

 580 



