450 102. CHARACB^. 



17. C.'fragHlis' (Deav.) ; monoecious, st, slender finely striate 

 smooth not spinous, last 1 — S joints of bramUets without external 

 tubes, bracts on the inner' side of thehranchlets about as long as 

 or longer: than the oblong nucules.-^ji& Fl: Par. 38C ; 0. Hed- 

 wigii E. B. 8. 2762. C. pulchella E. B. S. 2824— Slender, green 

 ahd remaining ■ so through the winter, not incrusted ; external 

 tubes nearly straight: Nucule with 13 or 14 strise and a' long 

 crown, with the globule. , Bracts usually shorter than the nu- 

 cules,- one equalling them; or all longer. Stagijant water. A. 

 VL— VIII. E. S. I. 



• " Quariqtiam multas observaverim planta's et sedulo quidem; 

 tamen non confido me semper veritatem' invenisse." — ^Link, 

 Phihs. Bot. iv. 



