CHARA. 473 



except with tliem, nucules small ovoid with 12 — 14 spires and 

 conical crown. — J. of B. xviii. t. 207. — Light green. 12 inches 

 high.— Rare. In south of England. VII. VIII. E. 



12. C.fi-aff'ilis (Desv.); »no»(EOJOMS, st. slender finely striate no 

 spines, branchlets 6 — 9 of 7 — 9 joints the upper 1 — 3 joints not 

 coated, lower stylopodes very short, hracte usually 4 usually 

 about equjiUing the ovoid nucules of 12 — 14 spires and rather 

 conical crown. — 0. pulchella H. B. S. 2824. — Slender, green, 

 usually not incrusted. Very variable. — ^. C. capittacea (ThuU.); 

 bracts and stipulodes much longer. — y. C. Hedgwigii (Ag.) ; 

 stronger and larger with very short bracts. E. B. S. 2762. — 

 8. C. fukrata (Gant.) ; bracts shorter than nucules, stipulodes 

 obsolete. C. verrucosa (Itz.) ; small, 2 — 4 in. high, often with 

 calcareous bulbils at base. — Slow and stagnant waters. VI. — ■ 



vni. E. s. I. 



13. C. fragifera (Dur.') ; dicecious, st. very finely striate no 

 spines, branchlets slender 6--9 of many joints upper joints not 

 coated, stipulodes very small, bracts 3 — 5 half as long as nucule 

 very short vnth granule, nucules ovoid of 11-13 spires and 

 short blunt crown. — /. of B. xv. t. 192. — Often flexible and ex- 

 ceedinglyslender, 6 — 12 inches long, bright green, not incrusted, 

 bearing large compound bulbils at its base. — West of Cornwall 

 in pools. Vn.VIII. E. 



« Quanquam multas observaverim plantas et sedulo quidem, 

 tamen non confido me semper veritatem invenisse." — Link. 



