INDEX TO AMERICAN BOTANICAL LITERATURE 151 
Shreve, F. The floristic plant geography of Maryland. Maryland 
Weather Service 3: 65-97. pl. 5, 6. 1910. 
Shreve, F. The relation of natural vegetation to crop possibilities. 
Maryland Weather Service 3: 295-303. pl. 31, 32. 1910. 
Shreve, F. The plant life of Maryland: Introduction. Maryland 
Weather Service 3: 21-62. pl. 1-4. f. I-3. 
Includes chapters on climatology, topography, mineralogy, and soils. 
Shreve, F. The plant life of Maryland: List of plants collected and ob- 
served. Maryland Weather Service 3: 381-497. 1910. 
Small, J.K. Additions to the tree flora of the United States. Torreya 
II: 11-14. 31 Ja IgIl. 
Smith, C. P. Notes upon some annual lupines of the Micranthus 
group. Muhlenbergia 6: 133-141. f. 20 + Pl. 6. 20 Ja Igit. 
Smith, J. D. A collecting trip in southern Florida. Am. Fern. Jour. 
I: 51-53. 13 F git. 
Somes, M. P. Notes on some lowa plants. Iowa Nat. 3:5-7. 30 Ja 
1QlI. 
Somes, M. P. Leaf serration of Prunus pennsyluanica L. f. Towa Nat. 
4: 2.130 Je 19h; 
South, F. W. Fungoid diseases. [Part I. in Report of the prevalence 
of some pests and diseases in the West Indies for 1909-1910.] West 
Ind. Bull. 11: 73-85. 11 Ja 1911. 
Spalding, K. D. Ferns at home and visiting. Am. Fern Jour. 1: 
60-63. pl. 3. 13 F 1g1t. 
Stapf, O. Cladothamnus pyrolaeflorus. Curt. Bot. Mag... IV. 7: 
pl. 8353. Ja 191t. 
Theissen, F. Perisporiales riograndenses. Broteria 9: 5-44. Ap 
1910. 
Theissen, F. Xylariaceae austro-brasilienses. Denks. Akad. Wiss. 
Wien. Math.-nat. 83: 47-86. f. 1-7 + pl. I-11. 1909. 
Xylaria Wettsteinit sp. nov. 
Thornber, J. J. Plant acclimatization in southern Arizona. 
World 14: 15-23. Ja 191I. 
Trelease, W. The smallest of the century plants. Pop. Sci. Mo. 78: 
1-15. f. 1-15. Ja Igil. 
Warburton, C. W. Ergot on oats. Bot. Gaz. 51: 64. f.1. 17 Ja 191l. 
White, J. The Cyperaceale] of Peel County, Ont. Ontario Nat. Sci. Bull. 
=: 14-16. 1907. 
Plant 
