166 INDEX TO AMERICAN BOTANICAL LITERATURE 
Tidestrom, J. Allium pblatyphyllum sp. nov. Torreya 16: 242, 243 
9 D 1916. 
Trelease, W. The oaks of America. Proc. Nat. Acad. Sci. 2: 626-629. 
15 N 1916 
Trelease, W. Agave subsimplex. Addisonia 1: pl. 34. 30 D 1916. 
Vries, H. de. Sur l’origine des espéces dans les genres polymorphes 
Rev. Gén. Sci. 1-16. 15 Mr 1914. 
A reprint. 
Vries, H. de. New dimorphic mutants of the Oenotheras. Bot. Gaz. 
62: 249-280. f. 1-5. 17 O 1916. 
Walters, F. Anomalous flowers of Pogonia verticillata. Rhodora 18: 
252, 253. 1 D 1016. 
Warnstorf, C. Bryophyta nova europaea et exotica. Hedwigia 57: 
62-138 Fo 1-62. a 
New America: cies in Sphenolobus (1), Schisma (1), Sphagnum (2), Cam- 
pylopus (1), taeic ee waar la (1), Funaria (2), Bryum (3), Bryhnia (1), Plagio- 
thecium (1), Climacium (1). 
Weatherby, C.A. Concerning Linum intercursum Bicknell. Rhodora 
15: 2324;° 2 Oigté. 
Weber-van Bosse, A. Rhizophyllidaceae. In Bérgesen, F. The 
marine algae of the Danish West Indies 2: 128-129. f. 137. 1916. 
Includes Contarinia Magdae sp. nov. 
Weber-van Bosse, A. Squamariaceae. In Bérgesen,F. The marine 
algae of the Danish West Indies 2: 129-146. f. 138-149. 1916. 
Includes Peyssonelia Boergesenii, P. Nordstedtii and P. simulans, spp. nov. 
Weir, J. R. Some suggestions on the control of mistletoe in the 
national forests of the northwest. Forest. Quart. 14: 567-577- 
D 1916.  [Illust.] 
Whetzel, H. H. The diseases of roses. Am. Rose Ann. 1916: 53-56 
1916. 
A short list of the more important rose diseases. 
White, O. E. The ancient history of plants. Brooklyn Bot. Gard. 
Leaflets 4: 1-8. f. 1-6. 25 O 1916. 
Whitford, A. C. A description of two new fossil fungi. Nebraska 
Geol. Surv. 7: 85-92. f. I-13. 30 Mr 1916. 
Whitford, A. C. Preserved epidermis from the carboniferous of Ne- 
braska. Nebraska Geol. Surv. 7: 93-101. f. -2r. 30 Mr 1916. 
Whitford, A. C. Some plant cuticles from the Graneros shales. Ne- 
braska Geol. Surv. 7: 77-82. f. 1-9. 30 Mr 1916. 
