(YOL. IV, 1944). FRANZ STEPHANI. SPECIES HEPATICARUM Lejeunem, 
Amphigastrium florale transverse insertum, subrotundum integer- 
rimum. Andrada saepe opposita, breviter spicata, bracteis quinquejugis. 
1. Omphalanthus filiformis (Sw.) Nees, Syn. Hep., p. 304. 
Syn. : Jungermannia flliformis Sw., Prodr., Fi. Ind. occ, 4788, p. 144. 
/«»<?crw««nifl <7mem/ZoraNeesinMartius, Fl.bras., 1833, p. 354. 
Phragmicoma filiformis Nees, Nat. Eur. Leb., 1838, III, p. 248. 
Lejeunea filiformis Nees in Mont., Fl. Boliv., 1839, p. 64. 
Omphalanthus geminiflorus Nees, Syn. Hep., p. 303. 
Lejeunea tenuifolia TayL, J. of Bot., 1846, p. 391. 
Omphalolejeunea filiformis Spruce, Hep. Am. And., 1884, p. 87. 
Dioica, olivacea vel flavicans, gracilis, dense intricata lateque expansa. 
Caulis aid 12 cm. longus, irregulariter remoteque ramosus. Foliacaulina 
parura imbricata, recte patuia, valde concava, in plano ovato-rotunda 
(1,2 mm. longa, 1 ram. lata), dorso caulem vix tegentia. Cellulas super» 
15 ix, inferae 18x27 (i, basales 27X36 [i, trigonis ubique magnis. 
Lobulus oblique patens, carina parum arcuata, apice quam basis plus 
duplo angustiore, recte truncato; margine supero arcte incurvo, inte- 
gerrimo, sub apice constrictus. Amphigastria caulina maxima, foliis 
aequimagna, subrotunda, plana, integerrima, profunde sinuatim inserta. 
Perianthia in ramulo parvo terminalia, uno latere innovata, innovatione 
saepe fertili (unde nomen « gerainiflora ») cylindrica, plus duplo longiora 
quam lata, levia, rostro parvo. Folia floralia obovata, caulinis minora, 
integerrima, obtusa, lobulo duplo breviore, involuto, fusiformi, integer- 
rimo. Amphigastrium florale transverse insertum, subrotundum inle- 
gerrimum, saepe crispatura, infeme obcuneatum. Andrcecia breviter 
spicata, saepe opposita, bracteis quinquejugis. 
Hab. America tropka, valde communis. 
2. Omphalanthus infuscatus (Mitt.) St. 
Syn.: Lejeunea infuscata Mitten, Proc. Linn. Soc, V, 1861, p. 
Sterilis, major, gracUis, flaccida, brunnea, in cortice dense depresso- 
caespitans. Caulis ad 5 cm. longus, superne sparsim irregulariterqoe 
pinnatus. Folia caulina imbricata, recte patula, valde concava apiceque 
late deeurva, in plano late triangulata (2,5 mm. longa, basi 2,^ ffl®* 
lata), apice obtusa, latissiraa basi inserta, basi antica late rotundata. 
CeUuhe superae 18 {t, trigonis parvis, basales 18X36 p. trigonis majus- 
culis. Lobulrn maximus, suberectus, folio duplo brevior, anguste linearis, 
apice tnmcatus, angulo obtuso, carina substricta, recto angulo in ft>'** 
marginem excurrens. Amphigastria eaulina gigantea, caule 7-plolatiora, 
panim latiora quam longa, profiindissime sinuatim inserta, basi cordatim 
rotundata. 702 
