2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 69 



FISSIDENTACEAE 



FISSIDENS SUBGLAUCISSIMUS Broth. 



Moist ground in forest, near Kipayo, alt. 4,000 ft., Dec, 1914, 

 Diimmer 1403 ; c. fr. 



FISSIDENS EROSULUS (C. M.) Par. 



Damp caverns, in rocks, Jumbwa, alt. 4,000 ft., July, 1916, 

 Diimmer 2967; c. fr. 



FISSIDENS SCIOPHYLLUS Mitt 



On Erythrina bark, grassland, Kijude, Nov., 1915, Diimmer 

 2645a ; c. f r. 



A few stems, mixed with Fabronia angolensis. The leaf apex 

 varies greatly, being usually acute, but often obtuse and apiculate ; 

 the cells are a little larger and less obscure than in Mungo Park's 

 specimen at Kew, named by Mitten, but this is the only difference I 

 can detect, and I have little hesitation in referring it to that species. 



POTTIACEAE 

 TORTULA ERUBESCENS (C. M.) Broth. 



On trees, Chiko Forest, Busoga, alt. 3,500 ft., Snowden 1, 7b. 



ORTHOTRICHACEAE 



SCHLOTHEIMIA GREVILLEANA Mitt. 



On bark of Erythrina tomentosa, grassland, Kipayo, alt. 4,000 ft., 

 May, 1914, Diimmer 823 ; c. fr. 



BYRACEAE 

 BRACHYMENIUM VARIABILE Dixon, sp. nov. 



B. capitulato Mitt, affine sed foliis brevioribus, latioribus, late 

 ovatis, minus distincte marginatis, longius cuspidatis. Seta nutlto 

 brevior, circa 1.5 cm. longa. Theca minor, horizontalis vel 

 plerumque subpendala, angiistior, e collo brevi clavata ; peristomium 

 melius evolutum. Spori 30-40 p. Folia siccitate plerumque valde 

 torquata. Dioicum videtur. 



Hab. : Tree trunk, savannah, Namonyungi, alt. 4,000 ft., June, 

 191 5, Diimmer 2$jj ; c. fr. 



A perplexing plant, from its great variability. It belongs to the 

 section Orthocarpns, but though the leaves are often strongly spirally 



