86 The Ottawa Naturalist. [August 



17. Didymodon azoricus, Cardot. — Trichostomum, Cardot. 

 Mosses of the Azores and of Madeira, in report of the Missouri 

 Bot. Garden, 1897; Didymodon, Kindb. 



Plants very small; stem 2-3 mm. Differs from D. triumphmis: 

 leaves larger; costa not excurrent; capsule oblong; pedicel pale red. 

 Portugal, Coimbra : Machado. New to Europe. 



18. Didymodon crispulus (Bruch), Wilson. * D. mucrona- 

 tulus, Cardot, as proper species. — Trichostomum, Cardot, 

 moss, of the Azores; Didymodon, Kindb. 



Stem 5-7 mm. high ; leaves sublinear-oblong : capsule (not 

 described by Cardot) subcylindric ; lid rostellate ; pedicel pale red. 

 Portugal, Coimbra, 1868 : Machado. New to Europe. 



Weisia rutilans (Hedw.), Lindb.' *W. Ganderi, Juratzka. 

 Sweden, Nacka, near Stockholm : J. Persson. 



19. 'Weisia Perssoni, Kindb., in Botan. Notiser, 1898. 



Differs from W. viridula : leaves not involute ; capsule con- 

 stricted to a very small mouth; pedicel short. (Peristome is 

 present.) Rocks r. Eur., Sweden, Scania (Skaone) near Kullaberg 

 1898: Apothecary J. Persson. 



Encalypta alpina, Smith. Canada, Rocky Mts. : Macoun. 



Orthotrichum, Bolanderi, SuUiv., and O. Watsoni, James. 

 Canada, ilocky Mts.: Macoun. O. Kingii, Lesquer. Colorado : 

 Baker. O. affine, Schrader ; * O. sublimbatum, Kindberg, new 

 name (" O. subulatum, C. M. & Kindb.," not " O. subulatum 

 Mitten," Musci Austro-Amer.) var. sublcBve, Kindb., with nearly 

 smooth leaves. Canada, Cape Breton : Macoun. O. psilocarpum, 

 James, and O. diaphanum (Gmelin), Schrader. Alabama : Baker. 

 O. cupulatum, Hoffman. Colorado : Baker. 



ZygodonMougeotii, 'Br.'Env. Canada: Macoun. Z. Sullivantii, 

 C. M.; leaves recurved. Canada, Cape Breton • Macoun. New to 

 Canada. 

 20. Ancectangium canadense, Kindberg; n. sp. " A. Horn- 



schuchii," Austin in Herb. Macoun ; " Zygodon caespitosus 



(Mitt.)," Kindb. Eur. and N. Amer. Bryinese, p. 316. 



Leaves small, channelled, involute, smooth and (also at base) 

 entire, from broad base abruptly acuminate ; only lowest basal 



