I46 EVANS 



having much the same form in the 2 species. In R. lindbcrgii, 

 however, the lobe spreads more obliquely and is less convex, 

 the lobule is less inflated and is attached by nearly its whole 

 length along the inner margin, the perianth is broader, and the 

 antheridial spike is very long, sometimes bearing 15 or more 

 pairs of bracts. ./?. Undbergii is widely distributed in Europe 

 and has already been reported in Japan from the provinces of 

 Tosa and Iyo. 



4. COLOLEJEUNEA FLOCCOSA (Lehm. & Lindenb.) 



Schiffn. 

 Cololcjcunea floccosa (Lehm. & Lindenb.) Schiffn., Consp. 

 Hepat. Archip. Indici 243. 1898. * 



Locality, on leaves of Acrostichum yoshinagai, Mount Hono- 

 gawa. Collector, Yoshinaga (no. 1, p. p.), August, 1888. New 

 to Japan. Originally described from Luzon but since reported 

 from Java and Sumatra. 



5. COLOLEJEUNEA GCEBELII (Gottsche) Schiffn. 

 Cololejeunea gcebelii (Gottsche) Schiffn., Consp. Hepat. Archip. 



Indici 244. 1898. 



Locality, on leaf of Trichomanes jaftonicuni, Akinokawa, 

 Tosa. Collector, Yoshinaga (no. 25, p. p.), October, 1903. 

 This species was first described from specimens collected in 

 Java. It is also known from the island of Penang and has 

 already been reported from Japan by Yoshinaga. 



6. COLOLEJEUNEA VENUSTA (S.-L.) Schiffn. 

 Cololejeunea vcnusta (S.-L.) Schiffn. in Engler & Prantl, Nat. 



Pflanzenfam. 1: 122. 1893. 



Localitv, on leaves of Plagiogyria euphlcbia, Tokimoto, 

 Tosa-gun, Tosa. Collector, Okamura (no. 76), January, 1904. 

 New to Japan. Known also from Java, the type locality, and 

 from Sumatra. 



The Japanese specimens do not agree in all respects with the 

 figures of Sande Lacoste. 2 In these the lobules are represented 



1 Full synonymy of the 3 species of Cololejeunea mentioned in the present 

 paper may be found in this volume. 



2 Syn. Hep. Javan. pi. 12. 1856. 



