— 1 



(- 



-f- k m m 



m % « 



A. Gray 



G. Bentham et /. D. Hooker 



0. Drude 



N. L. Britton and A. Brown 



A. P. de Candolle 



Al. de Candolle 



M. Adanson 



C. C. Babington 



G. Don 



m % 



(1) Synoptical Flora of North Ame- 

 rica Vol. II. part. 1 (1886). 



(2) Memoire of American Academie 

 of arts and Science, New series 

 III. (1846). 



(3) Chloris boreali-Americana (1846). 



(4) New Manual (1908). 



(1) Genera Plantarum II. (1876). 



(2) Handbook of the British Flora 

 ed. V. (1887). 



(Engler et Prantl) Die natiir- 

 lichen Pflanzenfamilien IV. Teil. 

 Abteilung 1. (1897). 

 An illustrated flora of the North- 

 ern United States, Canada and 

 the British Possessions II. (1897). 

 Theorie elementaire de la botani- 

 que, ou exposition des principes 

 de la classification naturelle et de 

 l'art de decrire et d'etudier les 

 vegetaux (1813). 



Prodromus systematis naturalis 

 regni vegetabilis VII. (1838). 

 Families des plantes II. (1763). 

 Manual of British Botany, con- 

 taining the flowering plants and 

 ferns, arranged according to the 

 natural orders (1843). 

 A general History of the dich- 



