a 
309 
____. 1977b. Notes on the Asteraceae of the southeastern United 
~ States. Brittonia 29: 217-225. 
1980. Vascular Flora of the Southeastern United States. 
Volume 1. Asteraceae. Univ. of North Carolina Press, Chapel 
Hill, North Carolina. xv, 261 pp. 
____. 1981. An Integrated System of Classification of Flowering 
Plants. Columbia Univ. Press, New York. xviii, 1262 pp. 
Crosswhite, F. S. 1965. Variation in Chelone glabra in Wisconsin 
(Scrophulariaceae). Michigan Bot. 4: 62-66. 
Crovello, T. J., C. A. Keller & J. T. Kartesz. 1983. The Vascular 
Flora of Indiana: a Computer Based ge Univ. of Notre 
Dame Press, Notre Dame, Indiana. xxiv, 136 p 
Crow, G. E. 1978. A taxonomic revision of ane (Caryophyll- 
aceae) in North America. Rhodora 80: 1-91. 
Crowe, D. R. & W. H. Parker. 1981. Hybridization and agamo- 
spory of Bidens in northwestern Ontario. Taxon 30: 749-760. 
Culwell, D. E. 1970. A taxonomic study of the section Hypericum 
in the eastern United States. Ph.D. dissertation, Univ. of North 
Carolina, Chapel Hill, North Carolina. vi, 131 pp. 
Dandy, J. E. 1970. Annotated list of the new names — in 
Allioni’s Auctarium ad Synopsim Stirpium Horti Reg. Taurinensis 
Taxon 19: 617-626. 
Daniels, F. P. 1907. The flora of Columbia Missouri and vicinity. 
Univ. Missouri Stud. Sci. Ser. 1(2): i-x, 1-319, 1 map. 
Danin, A., I. Baker & H. G. Baker. 1978. Cytogeography and 
taxonomy of the Portulaca oleracea L. polyploid complex. Israel 
J. Bot. 27: 177-211. 
Daoud, H. S. & R. L. Wilbur. 1965. A revision of the North 
American species of Helianthemum (Cistaceae). Rhodora 67: 63- 
82, 201-216, 255-312. f é 
D’Arcy, W. G. 1974. Solanum and its close relatives in Florida. 
Ann. Missouri Bot. Gard. 61: 819-867. 
Davis, H. A., A. M. Fuller & T. Davis 1969a. Contributions toward 
the revision of the Eubati of eastern North Ame IV. 
Castanea 34: 157-179. 
1969b. Contributions toward the revision 
. Arguti 
———’ 
Of the Eubati of eastern North America. . Castanea 
34: 235-266. 
Deam, C. C. 1940, Flora of Indiana. Indiana Dept. of Conser- 
aa Indianapolis, Indiana. 1236 pp. 2G opeete 
Deardo D. e 1977.  Biosystematic studies in Hieracuum 
lb <ection Thyrsoidea. Ph.D. dissertation, Univ. of 
Washington, Seattle, Washington. xj, 345 pp. 
