(VOL. V, 4914). FRANZ STEPHANI. SPECIES HEPATICARUM EuOHmolejeuma . 



linearis, breviter solutus, apice obtuso. Amphigastrium florale lobulis 

 aDquilongum, obovato-obconicum, apice tnmcato-rotundatum, integer- 

 rimum. Andracia ignota. 



Hab. Usambara, Insulai Mascarenae, Madagascar. 



5. Euosmolejeunea thom6ensis St. n. sp. 



Sterilis magna gracillima, flavescens, dense depresso-ca^spitosa, cor- 

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

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

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

 oblusa, brevi basi inserta, basi antica late rotundata, cauiem tegentia. 

 Cellulse superae 15 X 1 8 {x, basales 48 X 27 [jl trigonis raajusculis acutis. 

 Lobulus majusculus, folio quadruplo brevior, oblique adscendens, in 

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

 in folium excurrens, apice quam basis plus duplo angustiore, exciso, 

 angulo spinula valida armato. Amphigastria caulina maxima, reniformia 

 (0,88 mm. lata, 0,67 mm. longa, profunde sinuatim inserta, apice late 

 truncato-rotundata, integerrima. 



Hab. Insula Sari Thome (Africa occidentalis). 



n. Amerlca tropica. 



a. Parvistifulw. 



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

 p. 80. 



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



Lejeunea /lexuosa Ldbg. Syn. Hep. p. 385. 



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



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



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



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

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

 irregulariterque ramosus. Folia caulina parum imbricata, oblique 

 patula, panim concava, in plano late ovata (0,67 mm. longa, medio, 

 0,r)8 inm. lata) apice obtusa, lata basi inserta, basi antica truncata. 

 Cellulie superae 18 X 18 jx, basales 18 X 27 jx, trigonis magnis. Lobulus 

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

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

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



580 



