; t '671 j 



1*903. E'QJSE'TUM. Frond amentaceous: feeds numerous, entok; 

 4 pollen-bearing filaments'. 



1904. Pilularia. Common receptacle globular, villous, 4-fceHed; 

 4-valved, filled with numerous anther* y and many globular^ , 

 beneath thorn. 



1905. Marsilea Common receptacle oval, coriaceous, roany-cellc;?, 

 filled with numerous anther tzand germs. 



1906. Isoetes. Common receptacle within the hafe of ti \\ 

 fefliie, 1 -celled \ feeds numerous, angular, rou^h. 



ORDER II. KlUSCI. 



Herb leafy: cord a deciduous veil, covering the capfule, which a fur* 



nijhed with a lid. 



A. Mouth of the capfule not furnijbed with teeth 



.1907, Phascum. Capfule clofed, not opening by the lid. 



1908. Sphagnum. Capsule without fringe: veil cut tranfvcrfely, us 



bafe remaining on the lower part of the capfule 

 I909 Gymnostonum. Capfule naked: w//feparaiing entirely from 



the capfule. 



B. Fringe single. 



1910- T ETR ay ms. Capfule oblong, fringe oL\.e reel unconnected teeth. 

 f 9s 1. Andrea. Capfule very {hurt; fringe of 4 incurved teeth, 

 cohering at their tips. 



1912. Octoblepharium. Fringe of eight ereel: unconnected teeth. 



1913. Splachnum. Capfule cylindrical, (eated on a flefhy recepta- 

 cle : fringe of 16 teeth, (landing in pairs, dilated at the bafe. 



1914. Encalyptra, Fringe of 16 diitin& linear erecl teeth: 'vtii 

 large, campanuiate, lax. 



191 5. Grimm ia. Fringe ©f 16 teeth, broader at the bafe flowtrt 

 terminal. 



1916. Pterogonium. Fringe of 16 or 32 linear erect teeth: flowers 

 axillary. 



1917. Trichostomum- Fringe of 32 filiform teeth, (landing in 

 pairs, or connected in pairs at the bafe. 



1918. Dicranium. Fringe of 16 broadim, inflected, cloven teeth. 



1919. Tortula. Fringe of numerous capillary teeth, fpirajly twilfeJ 

 together. 



1920. Polytrichia. Capfule oblong or fquare: fringe of 32 or 

 64mort incurved teeth, connected at their tips by atlat membrane 



B. Fringe double. 



1921. Orthotricum. Outer-fringe of 16 broad teeth (landing in 

 pairs; inner of 8 or 16 filiform ones, or p: capfule terminal: veil 

 grooved. 



