536 Cannon: StTupieEs IN PLANT Hyprips: 
Daniel, L. (1) Les variations spécifiques dans la greffe, ou hybridation asexuelle. 
Rapp. Congr. hybrid. de lavigne. Lyon. 1902; (2) Sur quelques applications 
pratiques de la greffe herbacée. Rev. Gén. Bot. 6: 356. 18094. 
Daveau, J. Sur une Scrofulaire hybride. Bull. Soc. Bot. France, 44: 270. 1897. 
Davenport, G. E. (1) Abnormal forms, and hybridity in ferns. Linnaean Fern 
Chapter, Boston Meeting, 1. 1899; (2) A plumose variety of the ebony spleen- 
wort. Rhodora, 3: 1. 1901; (3) Aspidium cristatum X marginale Daven- 
port. Gard. and For. 9g: 444. 1896. 
Davidson, A. fentstemon Parishii, a hybrid. Bull. So. Cal. Acad. Sci, 1: 141. 
1902. 
Deane, H. & Maiden, J. H. Further notes on supposed hybridisation amongst 
eucalypts; including a description of a new species. Proc. Linn, Soc. N. S. W. 
36: 339. 901. 
Devansaye, A. dela. Fertilisation of the genus Anthurium. Jour. Roy. Hort. Soc. 
24: 67. 1900. 
Dollo, L. Les lois de l’évolution. Bull. Soc. Belg. de Geologie, 7: 164. 1893- 
Dorner, F. Crossing and hybridizing. Am, Florist, 16: 752. 1901. 
Druery, C. T. (1) Crosses or hybrids? Gard. Chron. III. 2g: 32. 1901; (2) 
Fern crossing and hybridising. Jour. Roy. Hort. Soc. 24: 288. 1900. 
Emerson, R. A. Preliminary account of variation in bean hybrids. Nebraska Agr. 
Exp. Sta. Ann. Rep. 15: —. 1902. 
Evans, W. E. International conference on plant breeding and hybridization. Exp. 
Sta. Rec. 14: 208. 1902. 
Ewart, J. C. (1) Intercrossing and hybridising. Gard. Chron, III. 26: 133. 
1899; (2) Intercrossing and interbreeding as causes of variation. Rep. Brit. 
Assoc, Adv, Sci. 1901: 672. I9g01. 
Farmer, J. B. On the structure of a hybrid fern. Ann. Bot. 11: 533- 1897. 
Fernald, M. L. (1) Aster undulatus < Novi-Belgti, Rhodora, 4: 186, 19023 
(2) Some undescribed varieties and hybrids of Carex. Rhodora, 2: 170. 1900. 
Focke, W. 0. (1) Beobachtungen an Mischlingspflanzen. Abh. Nat. Ver. Bremen, 
12: 403. 1893. (2) Neue Beobachtungen iiber Artenkreuzung und Selbststeril- 
itét. Abh. Nat. Ver. Bremen, 14: 297. 18973; (3) Ueber Unfruchtbarkeit bel 
Bestaubung mit eigenem Pollen. Abh. Nat. Ver. Bremen, 12: 409, 495- 1893. 
Gagnepain, F. (1) A propos d’hybrides. Actes 1°" Congr. Internat. Bot. Paris, 
359. 1900; (2) Sur le pollen des hybrides, Bull. Soc. Nat. Autun, 14: Pro- 
cés-verbaux, 20. 1901; (3) Sur un hybride artificiel des Lychnis diurna et 
vespertina. Bull. Soc. Bot. France, 43: 129. 1896. 
Gardner, F.D. Field experiments with corn. Bull. Ill. Exp. Sta. 37: 1, 29- 1895. 
Gauchery, P. Notes anatomiques sur |’hybridité. Assoc. Fr. Congr. d’ Ajaccio, 1992+ 
Gerber, C. De la fécondation directe chez quelques plantes dont les fleurs semblent 
adaptées a la fécondation croisée. Compt. Rend. 126: 1734. 1898. 
Giltay, E. Ueber den directen Einfluss des Pollens auf Frucht- und Samenbildung- 
Jahrb. Wiss. Bot. 25: 489. 1893. 
Glatfelter, N. M. (1) A study of the relations of Salix nigra and Salix amygdal- 
oides, together with the hybrids arising from them as these species exhibit them- 
selves in the vicinity of St. Louis. Trans. Acad. Sci. St. Louis, 6: 427- 18945 
(2) Notes on Salix longipes. Ann. Rep. Mo. Bot. Gard. 9: 43- 1897 ; (3) 
Relations of Salix Missouriensis Bebb to S. cordata Muhl. Trans. Acad. Sc 
St. Louis, 7: 137. 1896; (4) Salix cordata sericea. Bot. Gaz. 22+ 39: 
1896, 
