104 CRYPTOGAMIA. 



Hab. Vicinity of Rio Janeiro, Brazil. 



Tribe 29. RHIZOGONIEiE. 



1. RHIZOGONIUM, Brid. 

 1. Rhizogonium spiniforme, Linn. 



Hypnum spiniforme, Linn. Sp. Plant. 1587 ; Hedw. Muse. Frond. 3, p. 59, t. 25. 



Hab. Brazil. Society, Navigator's, and Sandwich Islands. 

 2. Rhizogonium mnioides, Hook. 



Rhizogonium mnioides, Schimp. in Bot. Zeit. 1844, p. 125. 

 Hypnum mnioides. Hook. Muse. Exot. t. 77. 



Hab. Feejee Islands. 



3. Rhizogonium pungens, Sulliv. (Tab. 26.) 



R. dioicum? ccespite denso hispido; caulihus erectis siniplicibus ; foliis 

 perlongis patenti-divergentibus rigidis elliptico-lanceolatis duplicato- 

 dentatis concavis costa vdlida subtereti in aristam dentatam lamina 

 quiniuplo longiorem excurrente instructis, cellulis minutis densis sub- 

 quadratis ; perichmtiis radicalibus, foliis Iwtgissime aristatis: fruct. et 

 flo. rnasc. non visis. 



Rhizogonium pungens, Sulliv. in Proceed. Amer. Acad. Art. Sci. Jan. 1854. 



Hab. District of Puna, Southwest coast of Hawaii, Sandwich 

 Islands. 



