( 298 ) 
SPECIES DUBIAE VEL EXCLUDENDAE 
C. capfitata Elliott, Sketch Bot. S. Car. Georg. 2: 516. 1824. 
(Not C. capitata Nees) = C. capztellata A. Br. Am. Jour. Sci. 
46: 93. 1844 =C. Hillottz? A. Br. nomen = Nitella capztel- 
lata A. Br. 
C. flexilis A. Br. Am. Jour. Sci. 46: 92. 1844. =Metella flexilis 
Ag. 
C. glabra Muhl, Cat. Pl. Am. Sept. 82. 1813. =? 
C. glomerulifolia A. Br. Am. Jour. Sci. 46: 92. 1844. =Vitella 
flomerulifera A. Br. 
C. humilis Riddell, Flor. W. States. 110. 1835. =? C. fragzlis. 
Cc. PeerAnare americana? A. Br. Am. Jour. Sci. 46: 92. 1844. 
C. tenuts Muhl. Cat. Pl. Am. Sept. 82. 1813. =Mitella flexilis 
prob., fde MS. note by Braun. 
C. tenuissima A. Br. Am. Jour. Sci. 46: 93. 1844. = Mitella 
tenutssima Kitz. 
C. tenuissima americana A. Br. Boston Jour. Nat. Hist. 5: 264. 
1845. = WVitella tenutssima americana A. 
BIBLIOGRAPHY OF CHARACEAE, WITH SPECIAL REFERENCE 
TO AMERICA 
Agardh,C. A. Systema Algarum. 1r vol. 1824. 
Two species of Chara recorded from America. 
Agardh, 7 A. Ueber die Anatomie und den Kreislauf der Charen. Nov. 
Act Ss. Leop. 13 : 113-162. ff. zo. 1826. 
Allen, T. Characeae. Bull. Torrey Club2: 9, ro. 1871 
Allen, T. F. Characeae americanae, illustrated and described. (Pub- 
3 by the author.) Part1: AZ. +, with text. New York. [1879.] 
2: pl. 2, with text. New York. [1879. 
ee a F. The Characeae of America. Part 1: ag pl. 1-3. Boston. 
(1880.] Part 2: 9-14. p/. g-6. Boston, [188 
Allen, T. F. Similarity between the Characeae ne (ee and Asia. Bull. 
Torre gies 7: T0§-107. 1880. 
Allen, T. F. Development of fe cortex in Chara. Bull. Torrey Club g: 
ae pl. aes 1882. 
Allen, T. F. Observations on some American forms of Chara coronata. 
Am. Nat. 16: 358-369. dé. ic I, 2,¢-71. 1882. (Also reprinted. 
I-12. pl. +f. 7, 2, g-11. 
