28 23. Chara. 5. CHARADEiE. Pl.end.cr. 



1 . Chara Jiexilis. Flexible stone wort. 

 Stem utriculate, transparent, flaccid, very smooth, very 



branched ; branches opposite, spreading ; second brandies 

 verticil] ate, 6 or 8 in a whorl, leafless, 2 or 3 forked at the 

 tip, simple, blunt; nuts without bracteae, lateral. 



Ch. translucens minor flexilis, Rail Syn. 133, 5. 

 Ch. flexilis, Lin. S. P. 1624. 



In ponds and ditches; annual; July and August. 

 Green, smooth, not streaked. 



^. proUfera. Apex fasciculate, proliferous. 



C. nidifica, Fl. Dan. 761 ; Smith Comp. F.A.2. 

 C. intricata, Rotli Cat. 2, 125. 

 C. syncarpa, Tlmit. Fl. Par. 472. 



y. gracilis. Branches twoforked, sharp-pointed ; leaves 

 awlshape. 



C. transluccns major flexilis, Vaill. M. R. Ac. 1719. 

 C. gracilis, Smith Comp. F. A. 3, 6. 



2. Chara siellata. Starred stonewort. 

 Stem slender, reticulate, transparent, flaccid, branchy; 



tranches opposite ; secofnd branches in whorls, double or 

 triple forked, conglomerated together ; nuts rounded, sitting 

 in the diverging forks. 



C. glomerata, vel C. tenuissiina, Des Vau.v Journ Bot. 2, 313. 

 Chara stellata, Wallroth Ch.US. 



Stem in tufts, an inch long, dark green ; branches very 

 short. 



3. Chara vulgaris. Common stonewort. 

 Stem bi'anchy, round, rather rough, with eight streaks ; 



second branches eight streaked; summit leafless, not jointed, 

 blunt; braciece four, unequal, two very long, twice the 

 length of the nuts, the two lower ones the length of the 

 nuts. 



Chara vul<iaris foetida, Vaill. M. R. A. 1719 ; Rati Syn. 132, 1. 

 Kquisrtum fajtidiiin sub aqua repeiis, Ger. em. 1115; Park. 1201. 

 Chara moiirana, Pers.Syn.bSO. 

 CliHia vulgaris, Lin. S. P. 1 024. 



Muddy ponds and ditches ; annual ; July. 

 Plant submerged, foetid, brittle, usually covered with a 

 white chalky crust; stem a foot high, twisted. 



$. elongata. Second branches very long, not jointed ; 

 bractecB two. 



Chara vnli^aris elona;a<a, IVallroth. 

 C. translucens major flexilis, Vaill.? 



