A revision of Moonia (Compositae, Heliantheae, Coreopsidinae) Tod F. Stuessy OriginalPaper Pages: 97 - 102
Hybridization between Triodanis perfoliata and Triodanis biflora (Campanulaceae) Ted R. Bradley OriginalPaper Pages: 110 - 114
Variation and taxonomy of Pyxidanthera (Diapensiaceae) Richard B. PrimackRobert Wyatt OriginalPaper Pages: 115 - 118
Synopsis of Canotia (Celastraceae) including a new species from the Chihuahuan desert Marshall C. Johnston OriginalPaper Pages: 119 - 122
Eragrostis scaligera ( Gramineae, Eragrostoideae) An overlooked species Stephen D. Koch OriginalPaper Pages: 123 - 126
Geographical affinities of The Barro Colorado Island Flora Thomas B. CroatPhilip Busey OriginalPaper Pages: 127 - 135
Calycadenia hooveri (Asteraceae), a new tarweed from California Gerald D. Carr OriginalPaper Pages: 136 - 141
A biosystematic study of the Panicum amarum-P. Amarulum complex (Gramineae) Patricia G. Palmer OriginalPaper Pages: 142 - 150
Studies of pacific island plants, XXX. Notes on Fijian Apocynaceae and Asclepiadaceae Albert C. Smith OriginalPaper Pages: 151 - 164
Studies of Pacific island plants, XXXI. Notes on Fijian Sapotaceae Albert C. SmithSteven P. Darwin OriginalPaper Pages: 165 - 171
Revision of the genus Froesia (Quiinaceae) Julian A. SteyermarkGeorge S. Bunting OriginalPaper Pages: 172 - 178
Chromosome numbers and polyploidy in Orobanche (Orobanchaceae) L. R. HeckardT. I. Chuang OriginalPaper Pages: 179 - 186
Origin and distribution of polyploid Achillea (Compositae) in western North America Ronald J. Tyrl OriginalPaper Pages: 187 - 196