566 INDEX TO AMERICAN BOTANICAL LITERATURE 
Waldron, L.R. Hardiness in successive alfalfa generations. Am. Nat. 
46: 463-469. f. 1, 2. Au 1912. 
Weberbauer, A. Pflanzengeographische Studien in siidlichen Peru. 
Bot. Jahrb. Beibl. 48: 27-46. 27 Au 1912. 
Weingart, W. Cereus Vaupelit spec. nov. Monats. Kakteenk. 22: 
106-109. 15 Jl 1912; 127. 15 Au 1912. 
Weingart, W. Kakteengelande am Rancho San Agustin in Guatemala. 
Monats. Kakteenk. 22: 118. 15 Au 1912. [Illust.] 
Weingart, W. Zu Cereus trigonus var. costaricensis Weber. Monats. 
Kakteenk. 22: 121. 15 Au 1912. 
Wernham, H. F. New Rubiaceae from tropical America—I. Jour. 
Bot. 50: 241-244. pl. 520, 521. Au 1912. 
Describes Carmenocania and Pseudohamelia gen. nov., and Pseudohamelia 
hirsuta, Carmenocania porphyrantha, Malanea roraimensis, Ixora Funckii, I. nica- 
raguensis, Galium Trianae, G. larecajense, and G. Fraserii spp. no 
Wester, P. J. A contribution to the history and mE nomencla- 
ture of the cultivated Anonas. Philip. Jour. Sci. '7: (Bot.) 109-123 
pl. 6-11. Je 1912. 
Whetzel, H.H. A destructive disease of eons: Florists’ Exchange 
34: ate 566. f. 1-4. 1451 
Disc $s the economic  pertanc, nee and control of “the American 
Botrytis eh of the peony 
Wilcox, E. V., & Kelley, W.P. The effect of manganese on pineapple 
plants and the ripening of the pineapple fruit. Hawaii Agr. Exp. 
Sta. Bull. 28: 7-20. pl. 1, 2. 10S 1912. 
Wolf, F. A., & Lloyd, F. E. Oedema on manihot. Phytopathology 2: 
131-134. pl. rr +f.7. Au 1912. 
Zahlbruckner, A. Neue Flechten—VI. Ann. Myc. 10: 359-394: 
Au 1912. i 
Derm ence sa geenean Mycoporellum californicum, Opegrapha Hasset, bas nut 
Hassei spp. nov. from California; Lecanora confluescens sp. Nov. from Uraguay; 
Caloplaca hiss sp. nov. from Montevideo. 
