11 



Floral Calendar (Marietta, Ohio) 1851, by S. P. 

 Hildreth. Am. Jour, of Sci. and Arts, 13 (sec. ser.) : 240 

 (1852). 



Gives dates of a few cultivated and some native 

 plants. 



1853. 

 Floral Calendar (Marietta, Ohio, 1852), by.S. P. Hil- 

 dreth. Am. Jour, of Sci. and Arts, 15 (sec. ser.) : 246 

 (1853). 



Gives dates of flowering of a few native plants. 



1854. 



Floral Calendar, (Marietta, Ohio, 1853), S. P. Hil- 

 dreth. Am. Jour, of Sci. and Arts, 17 (sec. ser.) : 258-9 

 (1855). 



Gives date of flowering of some plants. 



Mosses found in the vicinity of Cleveland, Ohio, by 

 Prof. J. Lang Cassels. Read before the Cleveland 

 Academy of Sciences, Nov. 21, 1853. Published in 

 "Annals of Science Including Transactions of the Cleve- 

 land Academy of Natural Sciences, " Jan. 1854, Vol. 2, 

 No. 1, pp. 3-4. 



Gives general account of the structure of mosses; 

 "to be continued." 



1855. 



Floral Calendar (Marietta, Ohio), 1854 by S. P. 

 Hildreth. Am. Jour, of Sci. and Arts, 19 (sec. ser.) 

 236 [1855]. 



Gives dates of blooming of a few plarits. 



1856. 



Floral Calendar (Marietta, O. 1855), by S. P. Hil- 

 dreth. Am. Jour, of Sci. and Arts, 21 (sec. ser.) : 192, 

 (1856). 



Gives dates of flowering of a few plants. 



1857. 

 Floral Calendar, (Marietta, O. 1856 1, by S. P. Hil- 

 dreth. Am. Jour, of Sci. and Arts, 23, (sec. ser.): 1857, 

 Gives dates of blooming of a few pkmts. 



