m u s c i. 75 



base, where they are shorter and broader, and of a deep, red color. 

 The axis of a branch is sometimes prolonged and furnished with a 

 few ramuli, all of which are clothed with minute, lance-linear, acute, 

 appressed leaves. 



Plate 18, A. — Pilotrichum Vitianum : plant, of the natural size. 

 Fig. 1. A branch. 2. Portion of a branch with leaves. 3, 4, 5, 6, 

 7, 8. Leaves. 9, 10, 11. Portions of leaves, showing the reticulation. 

 12. Base of leaf; with portion of stem. — Details magnified. 



2. ENDOTRICHUM, Doz. & Molkb. 



1. Endotrichum densum, Dz. & Mb. 



Endotrichum densum, Muse. Frond. Ined. p. 3, t. 1. 



Hab. Tahiti, Society Islands. Also Feejee Islands. 

 2. Endotrichum elegans, Dz. & Mb. 



Endotrichum elegans, Dz. & Mb. Muse. Frond. Ined. p. 4, t. 2. 

 Hab. Upolu, one of the Samoan Islands. 



3. Endotrichum setigerum, Sulliv. (Tab. 18.) 



E. dioicum robustum rnolle ; caale repente radiciformi, ramis ascenden- 

 tibus elongato-clavceformibus turgide foliosis ; foliis perrnagnis confertis 

 ellipticis acuminulatis valde plicatis superne serrulatis ecostatis, cellulis 

 exilissimis subseriatis ; perichmtiis exiguis immersis capsulam ovato- 

 cylindraceam includentibus, pericJicetialibus setigeris. 



Pilotrichum setigerum, Sulliv. in Proceed. Araer. Acad. Art. Sci. Jan. 1854. 

 Esenbeckia cuspidata, Mitten, in Lond. Jour. Bot. 1856, p. 263.? 



Hab. Feejee Islands. 



