INDEX TO AMERICAN BOTANICAL LITERATURE 165 
Rolfe, R. A. Cryptophoranthus Dayanus. Curt. Bot. Mag. IV. 13: 
pl. 8740. O 1917. 
From Colombia, South America. 
Russell, E. J. Recent investigations on the production of plant food 
in the soil. Jour. Internat. Gard. Club. 1: 317-346. D 1917. 
Rydberg, P. A. Flora of the Rocky Mountains and adjacent plains. 
i-xii  I-1110. . 31 D 1917. 
Includes nas nia of 13 new genera and 52 new species, and many new 
combinatio 
Safford, E. Chelonocarpus, a new section of the genus Annona, 
with descriptions of Annona scleroderma and Annona testudinea. 
Jour. Wash. Acad. Sci. 3: 103-108. f. 1-3. 19 F 1913. 
Sargent, C. S. Notes from the Arnold Arboretum. Jour. Internat. 
Garden Club. 1: 361-380. D 1917. [Illust.] 
Reprinted from various bulletins of the arboretum. 
Schneider, C. A conspectus of Mexican, West Indian, Central and 
South American species and varieties of Salix. Bot. Gaz. 65: 1-41. 
17 Ja 1917. 
Includes Salix Schaffneri, S. Rowleei spp. nov. 
Seward, A.C. Fossil plants, 3: i-xviii + 1-656. f. 377-629. London. 
1917. 
Shamel, A. D. Chrysanthemum varieties. Jour. Heredity 9: 81-84. 
28 Ja 1918. : 
Sheepers, J. May-flowering tulips and how they may be advan- 
tageously planted. Jour. Internat. Gard. Club. 1: 293-316. D 
1917. [Illust.] 
Shufeldt,R.W. Flowers, feathers, and fins. Am. Forest. 23: 669-674. 
f, I-I12.. N' 1937. 
Shufeldt, R. W. Multiple button-balls. Jour. Heredity 8: 550-552. 
f.6. D 1917 
Shufeldt, R. W. Plants and animals of the Atlantic and Gulf states. 
Am. Forest. 23: 743-747. f. 1-11. D 1917. 
Skan, S. A. Castilleja miniata. Curt. Bot. Mag. IV. 13: pl. 8730. 
O 1917. 
A North American plant. 
Small, J. K. The Lo Anamomis in Florida. Torreya 17: 221-224. 
J, 22°24: Ja-15 
Anamomis PTE sp. nov. is described. 
Smith, C. P. Studies in the genus Lupinus—II. The Microcarpi, 
exclusive of Lupinus densiflorus. Bull. Torrey Club. 45: 1-22. 
f. 7-16. 3 PF 193s. 
