ACKNOWLEDGEMENTS

INTRODUCTION

Position and delimitation of Hordeum

Species concepts - delimitation and determination of species

Previous taxonomic studies

Morphology and terminology

Distribution

Ecology

Biology, reproduction, life forms, and dispersal

Genome relationships in Hordeum

Protein relationships in Hordeum

Variation in chromosome numbers and karyotypes

Genetic resources in Hordeum

KEY TO THE SPECIES OF HORDEUM

DESCRIPTIONS OF THE SPECIES

Section Hordeum

Hordeum vulgare L.

Hordeum bulbosum L.

Hordeum murinum L.

Section Anisolepis

Hordeum pusillum Nuttal

Hordeum intercedens Nevski

Hordeum euclaston Steudel

Hordeum flexuosum Steudel

Hordeum muticum Presl

Hordeum chilense Roemer & Schultes

Hordeum cordobense Bothmer, Jacobsen & Nicora

Hordeum stenostachys Godron

Section Critesion

Hordeum pubiflorum Hooker f.

Hordeum halophilum Grisebach

Hordeum comosum Presl

Hordeum jubatum L.

Hordeum arizonicum Covas

Hordeum procerum Nevski

Hordeum lechleri (Steudel) Schenck

Section Stenostachys

Hordeum marinum Hudson

Hordeum secalinum Schreber

Hordeum capense Thunberg

Hordeum bogdanii Wilensky

Hordeum roshevitzii Bowden

Hordeum brevisubulatum (Trinius) Link

Hordeum brachyantherum Nevski

Hordeum depressum (Scribner & Smith) Rydberg

Hordeum guatemalense Bothmer, Jacobsen & Jørgensen

Hordeum erectifolium Bothmer, Jacobsen & Jørgensen

Hordeum tetraploidum Covas

Hordeum fuegianum Bothmer, Jacobsen & Jørgensen

Hordeum parodii Covas

Hordeum patagonicum (Haumann) Covas

ILLUSTRATIONS OF THE GLUMES IN THE SPECIES OF HORDEUM

REFERENCES

INDEX