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Pursh, F. Flora Americae Septentrionalis. 1814. 
Ravenel, H.W. Nitella praelonga A. Br. Bull. Torrey Club 6: 82. 1876. 
Riddell, J. L. A synopsis of the flora of the Western States. 1-116. 1835. 
Six species or varieties of Chara described. 
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ne species of Nitella reported. 
Robinson, J. Th e flora a of Essex Co ounty, Massachusetts. I-200. 1880. 
295-306. 1874. 
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gams and the commoner and more easily distinguished New England 
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Two genera of peepee included 
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The Al Igo. 
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d. 
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ave lyphylla mentioned. 
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Two species of Chara and 2 of Nitelle reported. 
Sloane, H. Catalogus area quae in insula Jamaica sponte proveniunt. 
ars prima 
A Tanai plant identified with Bauhin’s Aguisetum foetidum sub aqua 
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Similar reference. 
Small, H.B. Botany of Bermuda. I-52. 1900. 
One Hagar of Chara reported. 
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Sand Hills in July and August, 1892. Bot. Surv. Neb. 2: 1-30, 1893. 
Four species of Chara collected. 
Smyth, B. B. Additions to the flora of Kansas. Trans. Kan. Acad. Sci. 13: 
96-103. 1893. 
Two species of Chara and 1 of Nitella collected. 
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ne te sur l’anthére du Chara et les enimicales qu’elle renferme. 
nu. Sci. Nat. II. 14: 65-72. pl. 5-8. 1840. 
Pree G. page sur les zoospores des algues et les anthéridies des 
cryptog: Aun. Sci. Nat. III. 16: 5-39. ff. z-75. 1851. 
aes J. = A auc tes to the bibliography of American Algae, Minn. 
Bot. Stud. 1: 295-421. 1895. 
