85 



58. HTPNUM, Linn. 



Prom faros, Sleep. One of the largest genera of mosses, 

 found in all parts of the globe. 



In the following groups the arrangement in Fl. Tasm. and 

 Hook. Handbook 1ST.Z. Fl. is followed as closely as possible :— 



Key to Gboups. 



I. Stems and branches covered with matted radicles amongst the leaves. 



A. Tamaeiscina. Leaves small, nerve strong. Fruitstalk smooth. 



II. Stems and branches not covered with radicles. 



a. Leaves imbricate all round the stem, squarrose, or erect, or incurved, 



or secund, or falcate, not 2-farious or distichous. 



Leaves more or less falcate and secund, often circinnate. 



B. Adunca. Stem flacid. Lid short, conic. 



C. Hispida. Stems elongate, rigid. Nerve very strong. Lid beaked. 



D. Cuppressiformia. Stem flaccid. Nerve 0. Lid beaked. 

 Leaves spreading, not squarrose, nor large, nor concave. 



E. Pryelonga. FruitstalK scabrid. Lid beaked. 



F. Comferta. Fruitstalk smooth. Lid beaked. 



G. IIutabula. Fruitstalk scabrid. Lid conic. 



Leaves squarrose and spreading, large and often concave. 

 H. Stellata. Capsule not grooved. 



I. Pttohomnion. Capsule grooved. 

 Leaves closely imbricate, not squarrose, large and concave, 



J. COCHLEAEIFOLIA. 



b. Stems compressed. Leaves imbricate. The lateral spreading 2-farloms, 



K. DlSTICHOPHYLLA. 



