S58 cnrPTOOAMrA. alcae. 



aplce bl- ter-furcat. simplicibusque obtusls, nucul, 

 ftbracteat. lateralibus. Wallr. Ann. bot, p, 176. 



In aquis lacuum et fossarum passim. 2p. 

 Jungfh. Teg. etc. 



2. C. vu^garis: caulib. ramos teretib. scabriuscul, 

 verticillorumq, ramul. ^-ras linearib. apice aphyl!. 

 iuarticulat, obtusis, bracteis 4-nis inaequalibus binis 

 longissim. nuculas duplo excedentibus, reiiquis in- 

 feriprib. illas aequantibus. Wallr. Anu, bot. 179. 



In fossis et paludibus freque.ntissiraa. 2j.. 



3. C, pulchella-. caulib. gracilib glaberrms, ra- 

 mos. pellucitJis, ramul. S-"is lincari-subulat. arti- 

 culat. aequalib, mucronati?, bracieis quatern. nucu- 

 la ovali brevdoribus. Wallr. Ann. bot. 184. 



\j\ fossis quietis, Friedlrf, S, 11. 46. 



4. C. hispida'. caulib, hispiJ. ramos. inferne de- 

 mum inermib. contorto- sulcat. suberosis superne 

 incrassat, aculeatis, aculeis dens. setaceis reversis, 

 Verticillor. ramul. 8-nis 6-articnlat patentibu?, bi-a- 

 cteis inaequalib. 4-nis nuculas ovatas subaequan- 

 tibus, Waiir. Ann,bot, 184. 



Chara tcimtUosa. Kth. 240. 



In aquis stagnantibus. 2j^. Tafsd. Treptow. 

 Spandau etc. 



5. C lafifolia: caulib. scabriuscul. v\mosis, ra- 

 mul. verticillat. subsenis articulat. comphnatis, mu- 

 crone terminatis, nucul. nudis, bractcis o. Kth. 24L 



In lacubus prope ripas. 2|i. Teg. 



