Four-toothed Mosses 



There are but two spe- 

 cies known and both of 

 these are found in North 

 America. 



The genus was named 

 by Friedrich Ehrhart, in 

 honour of King George III. 

 of England, whom he con- 

 sidered one of the greatest 

 patrons of botany. 



Georgia pellucida, 

 Rabenh. See Colour 

 Plate III. 



Habit and habitat. Erect, 

 rather densely crowded, 

 bright-green above, red 

 in damp places, 



G. pellucida. Vertical section of gemma cup 

 showing gemmse with slender stems and cut 

 edges of leaves on either side. 



below. On decayed wood 

 common. 



Name. The specific name pellucida from the 

 Latin per, through, and lucida, transparent, refers 

 to the texture of the leaves, which are very 

 translucent. 



Plant (gametophyte) . Stems of two kinds, ( i ) 

 the fertile \ to I inch long, pale red, simple or 

 branching in pairs, fibrous at the base with 

 crowded leaves tufted at the summit of the stem; 

 (2) gemmae-bearing, the gemmae disk-like with 

 short stalks, greenish, transparent, inclosed in a 

 rosette of 4 to 5 bracts. 



Leaves. The lower leaves 

 are small, remote, erect, ap- 

 pressed, broadly lance-shaped 



G. pellucida. 

 Lower Jeaves of fertile plant. 



G. pellucida. 

 Upper leaf of gem- 

 mas plant. 



195 



G. pellucida. 

 Perichaetial leaf. 



