Colura. FRANZ STEFIIAiVI. SPECIES HEPATICARUM (VOL. V, 1916). 



I. Africa 



1. Colura digitalis. (Mitten) St. 

 Lejeuiiea digitalis. Mitt. Linn. Soc. 1886, p. 325. 



Sterilis, niediocris, flaccida, pallide virens, foliicola. CaiiUs ad 3 cm. 

 longus, sparsini longeque ramosus. Folia caulina approximata, oblique 

 patula, ambitu anguste lanceolata (2 mm. longa, medio 0,58 mm. lata) 

 brevi basi inserta, basi antica truncato-rotundata, margine supero late 

 arcuato, sinuatim in sacculum excurrens, margine infero stricto, stricte 

 excurrens, lobulus anguste linearis, incurvus, canaliculatus, superne 

 attenuatim in sacculum excurrens. Cellulse superse 36X36 ^, basales 

 27x45 (x, trigonis parvis, Sacculus oblongus, folio quadruplo brevior, 

 obtusus vel apiculatus, ore oblique emarginato. Amphigastria caulina 

 parva, caule duplo latiora, transverse inserta, profundissime bifida, 

 sinu amplo rotundato, segmentis setaceis divergentibus. 



Hab. Africa orientalis. Usagara. Insulse comorenses. 



2. Colura Dusenii. St. n. sp. 

 Colurolejeunea Dusenii. St. Hedwigia, 4892, p. 168. 



Sterilis, minor, flaccida, pallide virens, foliicola. Caulis ad 8 mm. 

 longus, sparsim longeque ramosus. Folia caulina remota, oblique 

 patula, ambitu anguste oblonga (1,5 mm. longa, medio 0,58 mm. lata) 

 brevi basi inserta, margine supero plano, late arcuato, siuuatim in 

 sacculum excurrens, infero stricto, stricle in sacculum excurrens. 

 Cellulse superse 18X27 ji, basales 18X36 jx, trigonis nullis. Lobulus 

 anguste linearis, arcte incurvus. Sacculus apicalis ovatus, obtusus, 

 folio triplo brevior. Amphigastria caulina magna, ambitu late obconica, 

 transverse inserta, profunde bifida, siuu recto, laciniis angustis diver- 

 gentibus, acutis. 



Hab. Africa occidentalis. Kamernn. 



II. America tropica 



3. Golura ceratophora. (Nees) St. 

 Lejeunea ceratophora Nees. Syn. Hep., p. 405. 

 Colurolejeunea ceratophora S. Hep. Am. And., p. 304. 



Dioica, mediocris, pallide virens, foliicola. Caulis ad 2 cm. longus, 

 irregulariter remoteque ramosus. Folia caulina remota, oblique patula, 



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