ROBINSON AND FERNALD. — MEXICAN PLANTS. 123 



in habit on account of its dense pendulous foliage, and figured in 

 Scribner's Magazine, xvi. 38. 



Mausilia mollis. Closely tufted, densely villous and cinereous 

 throujiliout ; hairs fine, silky, persistent or very tardily deciduous, finely 

 warted under a compound microscope: internodes and stems in the 

 numerous specimens at hand (terrestrial form) not at all developed • 

 root a cluster of delicate fibres : petioles filiform, reddish brown, flexu- 

 ous, 8-12 lines long, commonly nodding at the apex ; leaflets deltoid- 

 obovate, entire, rounded at the apex, broadly cuneate at the base, 1| 

 lines in length, equally broad : peduncles borne singly but in great 

 numbers and closely crowded, 2^-3 lines long ; conceptacles horizon- 

 tal, broadly oblong, compressed, 1| lines long, 1] lines broad, densely 

 white-villous, dull brown on the removal of the pubescence, finely 8-9- 

 wrinkled upon each surface, or smooth, often punctate ; rhaphe h line 

 in length; basal teeth very obscure ; sori 16-18. — Collected at San 

 Diego, Chihuahua, at 6,000 feet, by Mr. Hartman, 20 April, 1891 

 (no. 604). A very small and remarkably pubescent almost lanate 

 species. 



