Tablets 



(iasslllca- 

 tloii no. 



A6.3: 



15 



IG' 



16^ 

 16' 

 17 



18 



19 



20 



21 



22 



23 



24 



25 

 26 



28 

 29 



A6.4: 



1 



7' 



T' 

 8 



9' 

 9' 

 10 



11 



12' 



12 = 

 13' 



13' 

 13' 



A«. BOTANY I>IVISIO!V— Continued 



Bulletins — Continued 



No. 15. Russian thistlf, its history as a weed in U. S., with an account of 

 means avilahle for its eradication; by Lyster Hoxie Dewey. 1894. 

 32 pp. 3 pi. 2 maps. 



No. 16. American ginseng, its commercial history, protection, and cultiva- 

 tion; l)y George V. Nash. 1895. 22 pp. 

 Same, revised and extended by Maurice (t. Kains. 1898. 32 pp. 

 Same, [with prefatory note by Frederick V. Coville]. 1902. 32 pp. 



No. 17. Legislation against weeds; by Lyster H. Dewey. 1896. 60 pj). 



No. 18. Water hyacinth, and its relation to navigation in Florida; by 

 Herbert J. Webber. 1897. 20 pp. 1 pi. 



No. 19. Chicory growing as addition to resources of American farmer; by 

 Maurice G. Kains. 1898. 52 pp. 



No. 20. Principal poisonous plants of United States; by V. K. Chesnut. 



1898. 60 pp. 



No. 21. Vanilla culture, as practiced in Seychelles Islands; by S. J. Gal- 



braith. 1898. 24 pp. 1 pi. 

 No. 22. Present status of rice culture in United States; by S. A. Knapp. 



1899. 56 i)p. 3 pi. 



No. 23. Russian cereals adapted for cultivation in United States; by Mark 



Alfred Carleton. 1900. 42 i)p. 2 pi. 

 No. 24. Germination of seeds as affected by certain chemical fertilizers; 



bv Gilbert H. Hicks. 1900. 15 pp. 2 pi. 

 No. 25. Shade in coffee culture; by 0. F. Cook. 1901. 79 pp. 16 pi. 

 No. 26. Stock-poisoning plants of Montana, i)reliminary report; by V. K. 



Chesnut and E. V. Wilcox. 1901. 150 pp. 37 pi. 

 Same, 56th Cong., 2d sess., S. doc. 160; serial no. 4039. 

 No. 27. Seeds of commercial saltbushes; by G. N. Collins. 1901. 28 



pp. 8 pi. 

 No. 28. Chayote, a tropical vegetable; by O. F. Cook. 1901. 31 pp. 8 pi. 

 No. 29. Seed coats of certain species of genus Brassica; by A. J. Pieters 



and Vera K. Charles. 1901. 19 pp. 1 pi. 



Circulars 



No. 1. 



May 23, 1894. 



Hungarian brome grass; by F. Lamson-Scribner. 

 n. t. p. 4 pp. 

 No. 2. Nut grass; by L. H. Dewey. Oct. 16, 1894. n. t. p. 4 pp. 

 No. 3. Russian thistle; bv L. H. Dewey. [Jan. 4, 1895.] n. t. p. 



Same, rev. ed. Nov. 20, 1895. n. t. p. 8 pp. 

 No. 4. Flat pea; by F. Lamson-Scribner. Feb. 27, 1895. n. t. p. 7 pp. 

 No. 5. Giant knotweed, or sachaline; bv F. Lamson-Scribner. Feb. 26, 



1895. n. t. p. 4 pp. 

 No. 6. Standards of the purity and vitality of agricultural seeds; by Gilbert 



H. Hicks. May 9, 1896. n. t. p. 4 pp. 

 No. 7. Tumbling mustard, bv Lyster H. Dewey. June 5, 1896. n. 

 8 pp. 

 Same, 2d ed. June 5, 1896. n. t. p. 8 pp. 

 No. 8. Crimson clover hair balls; by Frederick V. Coville. June 15, 



n. t. p. 4 pp. 

 No. 9. Wild garlic; by Lyster H. Dewey. Feb. 15, 1897. n. t. p. 



Same, revised. June 2, 1900. n. t. p. 8 pp. 

 No. 10. Three new weeds of mustard family; by Lvster H. Dewey. 



30, 1897. n. t. p. 6 pp. 

 No. 11. Vitality of seed treated with carbon bisulphid; by Gilbert H. 



Hicks and John C. Dabney. n. d. n. t. p. 5 pp. 

 No. 12. Camphor tree; by Lyster H. Dewey. Aug. 12, 1897. n. t. j). 

 7 pp. 

 Same, revised. Sept. 21, 1897. n. t. p. 8 pp. 

 No. 13. OVjservations on recent cases of mushroom poisoning in District 

 of Columbia; by Frederick V. Coville. Dec. 1, 1897. n. t. p. 

 21 pp. 

 Same, rev. ed. Jan. 4, 1898. n. t. p. 24 pp. 

 Same, 3d ed. May 15, 1899. n. t. p. 24 pp. 



pp. 



t. p. 



1896. 

 8 pp. 

 Apr. 



54 



