JOURNAL OF THEARNOLD ARBORETUMVOLUME 69 APRIL 1988 NUMBER 2 THE GENERA OF ARABIDEAE (CRUCIFERAE; BRASSICACEAE) IN THE SOUTHEASTERN UNITED STATES,2 IHSAN A. AL-SHEHBAZ3 Tribe Arabideae A. P. de Candolle, Syst. Nat. 2: 146, 161. 1821. Annual, biennial, or perennial herbs [rarely subshrubs], glabrous or withsimple, furcate, stellate, or dendritic [very rarely malpighiaceous or glandular]trichomes. Inflorescences ebracteate or bracteate, corymbose racemes or rarelypanicles, usually elongated in fruit; flowers sometimes solitary on very long 'Prepared for the Generic Flora of the Southeastern United States, a long-term project made possibleby grants from the National Science Foundation and currently supported by BSR-8415769 (C. E.Wood. Jr.. principal investigator), under which this research was done, and BSR-8415637 (N. G.Miller. principal investigator). This account, the 120th in the series, follows the format establishedin the first paper (Jour. Arnold Arb. 39: 296-346. 1958) and continued to the present. The areacovered by the Generic Flora includes North and South Carolina. Georgia. Florida. Tennessee.Alabama. Mississippi. Arkansas. and Louisiana. The descriptions are based primarily on the plantsof this area. with information about extraregional members of a family or genus in brackets. Thereferences that I have not verified are marked with asterisks. I am most grateful to Carroll Wood for his advice, continuous support, and help during thepreparation of this paper, and especially for his critical review of the manuscript. I am also gratefulto Norton ;. Miller for reviewing the manuscript, to Richard Simmers, Jr., for specimens of C'ar-daoune', and to the late Andrey I. Baranov for translating some of the Russian literature. I amvariously indebted to Vernon Bates. William I). ( ountry man, George K. Rogers. Reed C. and KathrynW. Rollins. and Randall W. Scott. as well as to Barbara Nimblett. who typed the manuscript. I amgrateful to Elizabeth B. Schmidt and Stephen A. Spongberg for their editorial advice. The illustrations in FIGURE 3 (a, b, d-f) were drawn by the late Dorothy H. Marsh (DHM): thosein FIGURES 1 (a-c. g-I) and 3 (h. i) by Karen Stoutsenberger (KS) under earlier grants. Carroll Woodprepared the material and supervised the illustrations. The remaining illustrations (FIGURES If. m.n, 2: 3c. g) were drawn by me (IAS). The fruits and seeds are from herbarium specimens in the ArnoldArboretum and the Gray Herbarium. 'For an account of the family and its tribes, see Al-Shehbaz. The tribes of the Cruciferae (Brassi-caceae) in the Southeastern United States. Jour. Arnold Arb. 65: 343-373. 1984. 'Arnold Arboretum. Harvard University. 22 Divinity Avenue. Cambridge. Massachusetts 02138.c1 President and Fellows of Harvard College, 1988.Journal of the Arnold Arboretum 69: 85-166. April. 1988.
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