VOL. 23
2 July 2001

TABLE OF CONTENTS

Jennie Dieterle and the University of Michigan Herbarium, a felicitous partnership, by Rogers McVaugh
p. 1

Jennie Van Akkeren Dieterle 1909–1999, by Caroline Dieterle
p. 21

Two new species of Heteropterys (Malpighiaceae) from southeastern Brazil, by André M. Amorim
p. 29

The identity of two water-dispersed species of Heteropterys (Malpighiaceae): H. leona and H. platyptera, by Christiane Anderson
p. 35

Peixotoa floribunda (Malpighiaceae), a new species from Paraguay, by Christiane Anderson
p. 49

Observations on the Malagasy genus Rhynchophora (Malpighiaceae), by William R. Anderson
p. 53

Jacquin’s species of Bunchosia (Malpighiaceae) from Cartagena, Colombia, by William R. Anderson
p. 59

Notes on neotropical Malpighiaceae—VIII, by William R. Anderson
p. 63

Monograph of Lophopterys (Malpighiaceae), by William R. Anderson and Charles C. Davis
p. 83

Miscellaneous notes on Sphagnum—11, by Howard Crum
p. 107

Catalog of Acanthaceae in El Salvador, by Thomas F. Daniel
p. 115

Streblacanthus monospermus (Acanthaceae), a genus and species new to the flora of Mexico, by Thomas F. Daniel
p. 139

Checklist of lichens and allied fungi of Michigan, by Alan M. Fryday, John B. Fair, Moises S. Googe, Andrew J. Johnson, Elizabeth A. Bunting, and L. Alan Prather
p. 145

Talipariti (Malvaceae), a segregate from Hibiscus, by Paul A. Fryxell
p. 225

The botanical activities and correspondence of Robert Peter, M.D. (1805–1894), by Ruth Burgar Alford MacFarlane
p. 271

Additions to the Carex lurida group (Cyperaceae) in Mexico, including a new species from Chiapas, by A. A. Reznicek and M. S. González-Elizondo
p. 333

Carex section Porocystis (Cyperaceae) in Mexico and Central America, by A. A. Reznicek and M. S. González-Elizondo
p. 339

A purple form of Pitcher’s Thistle, by Edward G. Voss
p. 349

Correct attribution of the name Sceptridium subbifoliatum (Ophioglossaceae), by Florence S. Wagner
p. 351

Synopsis of Croton and Phyllanthus (Euphorbiaceae) in western tropical Mexico, by Grady L. Webster
p. 353

New records of benthic marine algae from the Sultanate of Oman, northern Arabian Sea. III., by Michael J. Wynne
p. 389

The tribes of the Delesseriaceae (Ceramiales, Rhodophyta), by Michael J. Wynne
p. 407