The Annals of the Missouri Botanical Garden, published quarterly since 1914, contains peer-reviewed papers primarily devoted to systematic botany and evolution. The Annals reflect the global mission of the Garden, with contributing authors from the Americas, Africa, Europe, Asia, and Australasia.
CONTENTS OF THE ANNALS OF THE MISSOURI BOTANICAL GARDEN, VOL. 81, NUMBER 4
Revision of Hillia (Rubiaceae). Charlotte M. Taylor
Systematics and Evolution of the Genus Petrea (Verbenaceae). Ricardo M. Rueda
Systematic Implications of Pollen Morphology in Subfamilies Lamioideae and Pogostemonoideae (Labiatae). Mones S. Abu-Asab & Philip C. Cantino
The Phylogeny and Classification of the Diseae (Orchidoideae: Orchidaceae). H.P. Linder & H. Kurzweil
Taxonomy of Thermopsis (Fabaceae) in North America. Chia Jui Chen, Meghan G. Mendenhall & Billie L. Turner
The Botanical Works of Philippi, Father and Son, in Chile. Charlotte M. Taylor & Melicia Munoz-Schick
Una Evaluacion del Conocimiento Floristico de Mexico. Victoria Sosa & Patricia Davila
Paleobiogeographic Distribution of Kuylisporites and its Possible Relationship to the Extant Fern Genus Cnemidaria (Cyatheaceae). Barbara A.R. Mohr & David B. Lazarus
Chromosome Numbers in Bolivian Grasses (Gramineae). Guillermo A. Norrmann, Camilo L. Quarin & Timothy J. Killeen
Chromosome Numbers and Incidence of Polyploidy in Panicoideae (Poaceae) from Pakistan. S.M. Nadeem Ahsan, Ahsan A. Vahidy & S.I. Ali
Chromosome Counts in Arundinoideae, Chloridoideae, and Pooideae (Poaceae) from Pakistan. M. Moinuddin, Ahsan A. Vahidy & S.I. Ali
Chromosome Numbers in Some Taxa of Fabaceae Mostly Native to Pakistan. Bushreen Jahan, Ahsan A. Vahidy & S.I. Ali
Chromosome Numbers in Compositae from Pakistan. Zeenat A. Razaq, Ahsan A. Vahidy & S.I. Ali
Book Review: Australian Tropical Rain forest Trees by B.P.M. Hyland & T. Whiffin, reviewed by Henk van der Werff
Book Review: Flora of Australia, Vol. 50, Oceanic Islands 2, reviewed by George Yatskievych
Checklist for Authors
Index to Volume 81