2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 85 



BRYOXIPHIACEAE 

 BRYOXIPHIUM MEXICANUM Besch. Journ. de Hot. 6: 180. 1892 

 Eustichhim iwrvcgicmii Schimp. in Besch. Prodr. Bryol. Mex. 29. 1871. 

 Valle de Mexico: Desierto [Bro. Auiablc 1629). 



DICRANACEAE (continued) 

 CAMPYLOPUS (Eucampylopus) ANGUSTI-ALATUS Ther., sp. nov. 



Distr. Federal: Rio Frio, alt. 3.000 meters (Bro. Amable 1724). 



Habitu, colore, rete foliorum C. Pitticri R. S. W. sat similis, sed 

 diifert : caiilibus elongatis usque 6 cm., foliis magis concavis, angustis 

 (basi 0.5 mm.), acumine angustiore, cellulis laminae minus incrassatis, 

 costa angustiore (0.36 mm.). 



Fig. I. — Campylopiis angusti-alatiis Ther. i. leaf; 2, acumen; 3, lamina cells 

 in the upper third; 4, alar and suprabasal cells; 5, cross-section of a leaf near 

 the base ; 6, cross-section of costa. 



In size this species suggests C. Apollinairci Ther.,* from Colombia, 

 but may be distinguished from it by the leaves, which are erect- 

 appressed when dry, little or not flexuous. shorter and only half 

 as wide, very narrow toward the base (8 to 10 rows of cells), and 

 bv the non-incrassate cells of the lamina. 



CAMPYLOPUS DESTRUCTILIS (C. M.) Jaeg. 



Dicranum dcstructilc C. M. Bot. Zeit. 17: 220. 1859. 

 Campylopus Arsciici Ther. Smithsonian Misc. Coll. 78^: 5. 1926. 



Having seen from the Berlin iMuseum the types of C. Chrisiiiari 

 (C. M.) and C. dcstructUis ( C. M.), both Mexican species, I have 



' .Archiv. Bot. 2:187. 1928. 



