INDEX TO AMERICAN BOTANICAL LITERATURE 45 
Coker, W.C. A double-flowered Sarracenia. Plant World 12: 253. 
f. I, a-d. N 1909. 
Coker, W.C. Leftolegnia from North Carolina. Mycologia I: 262- 
264... p/.-£6;° 1 D 1960: 
Coker, W.C. Liverwort types for elementary classes. Torreya 9: 
233-236. 18N Igog. 
Coker, W. C. Some rare abnormalities in liverworts. Bryologist 12: 
104, 105. 0 2;-2.. .6.N 1906. 
Coker, W. C. Vitality of pine seeds and the delayed opening of 
cones. Am. Nat. 43: 677-681. N 19009. 
Collins, F.S. An algological prophecy fulfilled. Rhodora 11: 196, 
197- 3N 1909. 
Cox, C. F. Charles Darwin and the mutation theory. Ann. N. Y. 
Acad. Sci. 18: 431-451. 10 F 1909. 
Craig, J. Botanicalexcursions. German fieldmethods. Ottawa Nat. 
23: 163-167. 6 D Igogo. 
Davis, B. M. Cytological studies on Ocenothera. I. Pollen develop- 
ment of Oenothera grandiflora L. Ann. Bot. 23: 551-571. pl. ZI, 
42, O 1909. 
Demcker, R. Die schénsten und gréssten Baume des nordamerikan- 
ischen Waldes. II. Die Laubholz- und Nadelholzwalder ; ihr Werden 
und Vergehen. Mitt. Deuts. Dendr. Gesells. 1909: 57-68. Ig09. 
Dominguez, J. A. Contribucién al estudio de la Arameria t/uca Phil. 
Trabaj. Mus, Farm. Buenos Aires no. 24: 1-7. pl. I-g. 1909. 
Dunbar, J. American hawthorns. Some new arborescent species. 
Gard. Chron. 46: 289. 300 1909; 308. 6N 1909. 
Eames, A. J. On the occurrence of centripetal xylem in Zgutse/um. 
Ann. Bot. 23: 587-601. p/. 45. O 1909. 
Edwards, A. M. Development of the Bacillaria from an amoeboid 
form and formation of that amoeboid form by energenesis. Nuova 
Notar. 24: 136-140. O 1909. 
Eggleston, W. W. New North American Cra/aeg?. Bull. Torrey 
Club 36: 639-642. 16 N Igog. 
3 new species native in the United States. 
Fernald, M. L. A new variety of Adzes balsamea. Rhodora 11: 
201-203. 3 D19gog. 
Fernald, M.L. Scirpus Smithii in Massachusetts. Rhodora 11: 220. 
3 D 1909. 
