27G 



RED ALG^E. 



segments. 

 Serrated. 



Sinuous. 



Spindle-shaped. 



Spines. 



Spores. 



Tetraspores, 



or 

 Tetragonidia. 



Top-shaped. 

 Tubercle. 



Veins. 



Vesicle. 

 Whorl. 



i 



Divisions of the fronds. 

 Toothed like a saw. 



The margin crooked, bending in and 

 out. 



r Tapering to each end from a thick- 

 <■ ened middle. 



Small, thorn-like processes. 



r The seeds of the Algae, and other 



G^J 



Cryptogamic plants. 



The asexual spores of the Red Algae, 

 usually arranged in groups of fours. 



| Like a top, or a cone with the apex 

 ) downwards. 



A small excrescence. 



Small, linear thickenings of the frond, 

 which resemble the veinings, or 

 framework of the leaves of trees, 



A bladder. 



r Ramuli, arranged in a circle around 

 1 the stem or branches. 



-e=S_;5=*- 



