622 INDEX. TO AMERICAN BOTANICAL LITERATURE 
Urban, I. Ueber einige Celastraceen-Gattungen. Festschr. 70-ten 
Geburtst. Ascherson, 48-58. 1904. 
A discussion of Myginda and the various species that have been referred to it. 
Waldron, C. B. Trees and fruit in North Dakota. N. Dak. Agric. 
Exp. Sta. Bull. 59: 355-385. p/. 7-7. Mr 1904. 
Ward, L. F. Paleozic seed plants. Science, II. 20: 279-281. 26 
Au 1904. 
Ward, L. F. The Preridospermaphyta. Science, II. 20: 25, 26. 1 
Jl 1904. 
Wildeman, E. de. ayia calliglossa As. Gray. Ic. Sel. Hort. The- 
nensis, §: g-12. ~/. 763. F 1904. 
Native of California. 
Wildeman, E. de. Pharditis Learii Lindl. Ic. Sel. Hort. Thenensis, 
5: 13-16. pl. 76g. F 1904. 
Native of Mexico and South America. 
Woodward, R. W. Two noteworthy sake of New Haven, Connecti- 
cut. Rhodora, 6: 89, 90. 2 My 1904. 
Wright, C. H. Pitcairnia spathacea. Curt. Bot. Mag. IL. 60: / 
7966. 1 Jl 1904. 
Native of Argentina. 
York, H.H. The embryo-sac and embryo of Melumbo. Ohio Nat. 
4: 167-176. pl. r6-78. 1 Je 1904. 
Zahlibruckner, A. Neue Flechten. Ann. Myc. 2: 267-270. 3! My 
o4. 
Includes Graphina Bakeri sp. nov., from Nicaragua. 
