518 INDEX TO RECENT LITERATURE 
Orton, W. A. Iron Cow Pea. (A Variety Resistant to Wilt and 
Root-knot.) U. S. Dept. Agr. Plant Ind. Bull. 25: 65-68. phe FZ. 
18 Jl 1903. 
Orton, W. A. Rivers Sea Island Cotton. (A Variety Resistant to the 
Wilt Disease or ‘‘Black-Root.’’) U.S. Dept. Agr. Plant Ind. 
Bull. 25: 59-63. 76. 18 Jl 1903. 
Porter, T. C. & Small, J. K. Flora of Pennsylvania. i-xv, 1-352, 
map. Easton, Pa., [15 Au] 1903. 
Robinson, B. L. Preliminary Lists of New England Plants. — XH. 
Rhodora, 5: 188-191. 7 Jl 1903. i. 
Sargent, C.S. Recently Recognized Species of Crataegus in Eastern 
Canada and New England.—V. Rhodora, 5: 182-187. 7 Jl 
1903. 
Includes descriptions of six new species. 
Schneck, J. The Cross-bearing Bignonia or Cross Vine. Plant World, 
6: 157-159. pl. 22. Jl 1903. 
Scribner, F, L., & MerrillE.D. Three New Species of Panicum. U.- 
S. Dept. Agr. Agrost. Circ. 35: 3, 4. 18 Je 1901. 
Small, J. K. Flora of the Southeastern United States. i-xii, 1-137°- 
New York, [22 Jl] 1903. 
Includes descriptions of 46 new genera and over 300 new species. 
Smith, E. F.. The Effect of Black Rot on Turnips: A Series of 
Photomicrographs, Accompanied by an Explanatory Text. U. 5. 
Dept. Agr. Plant Ind. Bull. 29: 1-20. front.+ pl. 1-13. 17 Ja 
1903. 
Swingle, D. B. Formation of the Spores in the Sporangia of Rhzzapus 
nigricans and of Phycomyces nitens. U.S. Dept. Agr. Plant Ind. 
Bull. 37: 1-40. p/. 7-6. 27 Je 1903. 
Waters, C. E. The Resting Period of Plants. Plant World, 6: 154- 
156. Jl 1903. 
Wiegand, K. M. Some Notes on Juncus. Bull. Torrey Club, 30: 
446-448. 4 Au 1903. 
Includes /. Neo-Mexicanus sp. nov. and_/. dichotomus platyphyllus var. nov. 
Wilson, P. Report on Exploration in Honduras. Jour. N. Y. Bot. 
Gard. 4: g9-102. Je 1903. 
Witasek, J. Ein Beitrag zur Kenntnis der Gattung Campanula. Abh. 
Zool.-bot. Gesells. Wien, 1°: 1-106. f z~37. 25 F 1902. 
Monograph of the genus ; six American species are recognized, including C. inter- 
cedems sp. nov. ; 
