CONFERVA RETICULATA. 



C. filamentis anaftomofantibus, reticularis in maculas fub pentagonas 



coadunatis. 



C. reticulata. Sp. PI. p. 1635. Fl. Ang. p. 596. With. IV. p. 132. Eng. 



Bot. t. 1687. Ray Syn. p. 59. Dill. Mufc. p. 20. t. 4. f. 14. Hall. Hift. 



p. 2119. Pluk.Phyt. t. 24. f. 2. Morrifon Hilt. Oxon. III. p. 644. Sec. 



15. t. 4. f. 4- 

 Hydrodiaion majus. Roth. Cat. Bot. II. p. 238. 

 H. tenellum. Roth. Cat. Bot. II. p. 239. 



H. utriculatum. Fl. Germ. HI. pars I. p. 531. Cat. Bot. III. p. 322. 

 H. pentagonum. Vaucher Conferves d'eau douce, p. 88. pi. 9. 



In Ditches and Ponds, about Hounflow, Hud/on. In the Cam and Pool of the 

 Botanic Garden at Cambridge. Rdhan. Heigham, near Norwich, Mr. Pitch- 

 ford. In the Stream near Low Hall, Walthamftow. E. Forfler, jun. Ditches 

 at Woburn and Apfley. Dr. Abbot. Ditches at New Hall, near Kenneld, 

 Suffex. Mr. Borrer. Thorpe, near Norwich. Mr. S. Wilkin. 



ON the fame morning I received frefh fpecimens of the prefent Gngular 

 fpecies from my friends the Rev. J. Davies and W. J. Hooker. The former 

 athered it in the Pool of the Botanic Garden at Cambridge, and the latter lent it 

 z from the neighbourhood of Norwich, where it was gathered by Mr. S. 

 Wilkin. It floats in irregular mafTes on the furface of Ponds and Ditches, and 

 though it has been difcovered here and there in different parts of this kingdom 

 and of the Continent, yet its known loci natalcs are comparatively fo few that it 

 muft be reckoned among the rareft of the frefh water Conferva, as the fpecies 



me 



14 



