Dioecism in Hawaiian Flora — Gilmartin 
consented to read the manuscript and provided 
some unpublished data. 
REFERENCES 
Baker, H. G. 1948. Dimorphism and mono- 
morphism in the Plumbaginaceae. I. Survey 
of the family. Ann. Bot. 12:207-219. 
1953. Race- formation and reproduc- 
tion methods. Evolution 7:114-145. 
1955. Self incompatibility and estab- 
lishment after long distance dispersal. Evolu- 
tion 9:347-348. 
1959^. Reproductive methods as factors 
in speciation in flowering plants. Quant. Biol. 
24:177-191. 
1959^. The contribution of auteco- 
logical and genecological studies to our 
knowledge of the past migrations of plants. 
Am. Nat. 93:255-272. 
Campbell, D. H. 1919. The derivation of the 
flora of Hawaii. Univ. Ser. Stanford Univ. 
Publ. 15, pp. 1-33. 
1933. The flora of the Hawaiian Islands. 
Quarterly Rev. Biol. 8:164-184. 
Carlquist, Sherwin. 1965. Island Life. Na- 
tural History Press, Garden City, N.Y. 451 
PP- 
1966^. The biota of long-distance dis- 
persal. I. Principles of dispersal and evolu- 
tion. Quart. Rev. Biol. 41:240-270. 
1966A The biota of long-distance dis- 
persal. IV. Genetic systems in the flora of 
oceanic islands. Evolution 20:433-455. 
Davis, P. H., and V. H. Heywood. 1963. 
Principles of Angiosperm Taxonomy. Oliver 
& Boyd, Edinburgh. 556 pp. 
Diels, Ludwig. 1938. Contribuciones al conoci- 
miento de la vegetacion de la flora del 
Ecuador. Instituto de Investigaciones Cienti- 
ficas, Bibl. Bot. No. 238, Quito, Imprenta- 
Universidad Central, Ecuador. 364 pp. 
Fosberg, F. R. 1948. Derivation of the flora of 
the Hawaiian Islands. In: E. C. Zimmerman, 
1948. Insects of Hawaii, Vol. 1. Pp. 107-119. 
Fryxell, P. A. 1957. Modes of reproduction 
of higher plants. Bot. Rev. 23:135-233. 
Grant, Verne. 1958. The regulation of re- 
combination in plants. Quant. Biol. 23:337 - 
363. 
Hillebrand, William. 1888. Flora of the 
291 
Hawaiian Islands. Carl Winter, University- 
Bookseller, Heidelberg. 719 pp. 
Jones, D. F. 1932. The interaction of specific 
genes determining sex in dioecious maize. 
Proc. 6th Intern. Congr. Genetics 2:104-107. 
1934. Unisexual maize plants and their 
bearing on sex differentiation in other plants 
and animals. Genetics 19:552-567. 
Lewis, D. 1942. The evolution of sex in 
flowering plants. Biol. Rev. 17:46-67. 
Lewis, H. 1966. Speciation in flowering plants. 
Science 152(3719) :167-172. 
Longhurst, A. R. 1955. Evolution in Nostos- 
traca. Evolution 9:84-86. 
McCaughey, Vaughn. 1918. The strand flora 
of the Hawaiian Archipelago, geographical 
relations, origin, and composition. Bull. Tor- 
rey Bot. Club 45:259-277. 
Moore, D. M., and Harlan Lewis. 1965. The 
evolution of self-pollination in Clarkia 
xantiana. Evolution 19(1) : 104-114. 
Munz, Philip A. 1935. A Manual of Southern 
California Botany. Scripps Publishing Fund. 
Claremont Colleges, Claremont, California. 
642 pp. 
Ornduff, Robert. 1966. The origin of dioe- 
cism from heterostyly in Nymphoides (Men- 
yanthaceae). Evolution 20:309-314. 
Parsons, P. A. 1958. Evolution of sex in the 
flowering plants of South Australia. Nature 
181:1673-1674. 
Skottsberg, C. J. 1925. Juan Fernandez and 
Hawaii, a Phytogeographical Discussion. Ber- 
nice P. Bishop Museum Bull. 16, 47 pp. 
Stebbins, G. L. 1957. Self-fertilization and 
population variability in the higher plants. 
Am. Nat. 91:337-354. 
St. John, Harold. 1946. Endemism in the 
Hawaiian flora, and a revision of the Hawai- 
ian species of G unnerd (Haloragidaceae) . 
Hawaiian plant studies, 11. Proc. Calif. 
Acad. Sci. 25:377-420. 
Stone, Benjamin C. 1967. A review of the 
endemic genera of Hawaiian plants. Bot. Rev. 
33(3) :2l6-259. 
Taylor, B. W. 1954. An example of long 
distance dispersal. Ecology 35:569-572. 
Warmke, H. E., and A. F. Blakeslee. 1940. 
The establishment of a 4n dioecious race in 
Melandrium. Am. J. Bot. 27:751-762. 
