756 374-. Hypnum. 14. MUSCI. PL cell, fo 
Hypnum myosuroides brevius et crassus, capsulis cernuis, Dillen. Muse . 
318. 
Hypnum muralc, Necker Gallobelg. 479; Dickson Crypt . 3, 10. 
Hypnum confertum, Engl, Dot. 1038. 
Hypnum abbreviatum, Iledw. S. Muse. 65. 
On walls and stones. 
17. Hypnum purum. Pure feather-moss . 
Leaves closely tiledlike, oval, very concave, point very 
short, main rib reaching halfway; capsule ovate, drooping; 
lid conical. 
Hypnum terrestre erectum, ramulis teretibus, foliis inter rotunda et 
acuta medio modo se habentibus, llaii Syn. 81,7. 
Hypnum purum, Lin. S. P. 1594; Engl. Dot. 1599. 
Hypnum elegans, Ehrh. Crypt. 24 2. 
Hypnum illecebrum, Smith FI. Brit. 1314; Engl. Bot. 2189, not of 
Hedwig. 
In fields and moist woods. 
f. Stem with the leaves not flat ; leaves on all sides , uniform 
in their direction , lanceolate or awlshape , uncut , without 
streaks ; main rib shorter than the leaf or 0. 
18. Hypnum fluitans. Floating feather-moss. 
Leaves loosely tiledlike, lanceolate, awlshape, scarcely 
serrated at the tip, main rib reaching more than halfway; 
the upper leaves sickleshape, one-rowed ; capsule ovate, 
oblong, bent, drooping; lid conical. 
Hypnum erectum aut fluitans aquaticum, foliis oblongis perangustis 
acutis, Raii Syn. 82. 
Hypnum fluitans, Lin. FI. Suec. ed. 2,399 ; Engl. Bot. 1448. 
In water, and inundated places. 
19. Hypnum plumosum. Plumose feather-moss , 
Leaves upright, spreading, ovate, lanceolate, pointed, 
slightly serrated, main rib reaching above halfway; the 
upper leaves sometimes one-row 7 ed ; capsule ovate, droop- 
ing; lid conical. 
Hypnum plumosum, Lin. S. P. 1592 ; Engl. Bot. 2071 ; not of Hedwig. 
Hypnum pseudoplumosum, B ridel Muse. 
Hypnum alpinum, Turner M. Tlib. 192 ; Engl . Bot. 1496. 
Hypnum flagellare, Hedw. S. M. 282. 
On rocks. 
20. Hypnum pulchellum. Pretty feather-moss. 
Leaves loosely tiledlike, lanceolate, pointed, uncut, rib- 
less ; upper leaves slightly one-rowed ; capsule ovate, cy- 
lindrical, nearly upright; lid conical. 
