44 NEW SPECIES OF MUSCI. 



conspicuous. The stems are clothed with a brownish down. 

 The mouth of the capsule, when magnified, exhibits a slender 

 annular membrane, connecting sixteen very minute pale 

 teeth. 



Brachymitrion, Tayl. nov. gen. 



Gen. Char. Peristomium simplex. Dentes sedecim, 



equidistantes, lanceolati, erectiusculi, persistentes. Calyp- 



tra integra, elongato-conica, basi fissa, scabra, capsulam 



os usque nudam relinquens. Capsula subsequalis, erecta, 



exannulata. Seta terminalis, basi bulbosa. 



This genus has the stems and leaves of a Cindidium or 



Mnium, the capsule of a Didymodon, and the calyptra of a 



Grimmia, but laciniated at the base, as in certain Eucalypti 



1. B. Jamesoni. — n. 333. Woods of Pichineha, near Quito, 



Prof. W. Jameson, 1 845. 



Stems loosely ceespitose, erect, mostly simple, clothed 

 below with a dark purple down. Leaves scarcely imbri- 

 cated, spathulate-obovate, very obtuse, their nerve excar- 

 rent, their margins thickened, denticulate, very pale olive- 

 green. Perichsetial leaves similar to the cauline. Seta 

 solitary, erect, thickened at the top, more than \ » n 

 inch long. Capsule erect, cylindrical, pale brownish-green 

 even when ripe j the mouth opaque and dark reddish-brown. 

 Teeth of the peristome firm, lanceolate, acuminate, barred. 

 Lid rostrate, the beak slightly inclined to one side. Calyp- 

 tra elongato-conical, scarcely longer than the lid, tipped with 

 a style, scabrous on the sides, divided at the base, as in En- 

 calypta ciliata, Hedw. 



Grimmia, Ehrhart. 

 I.iJ. leiocarpa; caule caespitoso, erecto, subramoso ; folii s 

 imbncatis, erecto-patentibus, concavis, ovalibus, acumi- 

 nato-piliferis, margine planis integerrimis, pilo elongato 

 subdenticulato ; setis immersis; capsula emersa, rotundato- 

 ovata, laevissima j operculo conico-rostellato— Swan River, 

 Mr. James Drummond. 



