CL. XXIV.] 12. CEKATOSTOMA riMlHUATLM. 459 



Synonymes and Figures. 



Cava, Lnperat. Hist. Nat. p. 858. 



Fucus cavLis, C. Bank. Pin. J. Bmih. Hist. 3. 791. 



Lactuca marina tubulosa, Rai Hist. 1. p. 77. 



Folliculus marinus, Loscl.> Fl. Priiss. p. 75. 



Conferva marina tubulosa, DiUcn. Giess. App. p. 16. 



Conferva latifoiia flavescens et tubulosa major, Bitxb. Hal. 



p. 79. 

 Fucus tubulosus intc&tinoruai forma, Tourn. Inst. p. 568. 



Bua;b. Cent. 5. t. 13. f. 1. (male). 

 Ulva marina tubulosa, Rai Syn. p. 62. 

 Ulva tubulosa simplex, Linn. Lapp. p. 348. 

 Tremella marina tubulosa, Dill. Hist. Muse. p. 47. t. 9- f. 7. 

 Ulva tubulis cjlindricis, Hall. Stirp. n. 21:28. 

 Ulva intestinalis, Linn. Fl. Suec. n. 1154. Sp. PI. cd. Reich. 



4. 583. Lightf. Scot. p. 368. Huds. Angl. 568. Wither. 



Arrang. 4. 141. De Cand. Fl. Fran<^. 2. p. 8. Lamour. 



Thalass. p. Qt5. Agardh. Syn. p. 45. 

 Conferva intestinalis, Roth^ Catal. 1. 154. ^Vulff. Crypt. 



Aqu. p. 13. Schumach. Suelland. 2. p. 103. 

 Scytosiphon intestinalis, Lyngb. Hydroph. p. (51. 



Geog raphieal Distribution . 



This alga is found in all waters, from the polar circle to 

 the tropic, in the northern hemisphere : whether it also grows 

 in the southern hemisphere I know not. 



VII. Mycohmyci. 



42. 



Ceratostoma fimbria tiim, Fries. 



On the leaves of beeches and ha/el bushes, we observe dark 

 spots during summer, — results of the decaying vegetation 

 of the leaf, and of another kind of vegetation which has be- 

 gun, but which is often interrupted in the germ. In this la^t 



3 



