Cover

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Frontmatter

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Contents

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Preface

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pp. vii-viii

The first edition of Fassett's Manual of Aquatic Plants appeared in 1940 and quickly became a classic in its field. Its success was, in large part, due to Dr. Fassett's aim to provide a manual which would make possible the identification of an aquatic plant in sterile as well as reproductive conditions. He made an all-out effort to construct his ...

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Acknowledgments

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pp. ix-x

Illustrations have come from a variety of sources; these sourcs are identified in parentheses in the captions, either by author or by an acronym we've assigned. A large number of illustrations are retained from the original edition of Fassett's Manual (F). Many plates were taken from our aquatic Vascular Plants of New England series, pub-...

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Introduction

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pp. xi-xii

The aim of this work is to aid in the identification of vascular plants which are native or have become naturalized in aquatic and wetland habitats of the Northeast. As a taxonomic-floristic work. it is designed to be of value to biologists. students of biology. conservationists. environmental consultants. personnel of local. state. and federal ...

Map of geographical area

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pp. xiii-xiv

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Nuisance Aquatic Plants of the Northeast

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pp. xv-xviii

Aquatic plants are becoming an increasingly common nuisance in lakes. ponds. and streams of the northeastern United States and southeastern Canada. Areas in the northern portion of this manual's range tend to be relatively free of some of the more severe weed problems affecting more southern areas. Yet. fishermen. boaters. ...

General Keys

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pp. xix-ivi

Monocotyledons

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Subclass Alismatidae: Butomaceae / Flowering-rush Family

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pp. 3-75

Perennials, arising from fleshy rhizomes; leaves erect or floating; flowers pink, bisexual, numerous, borne in an umbel; carpels 6, separate, connate at very base; fruit a whorl of follicles with long beaks. ...

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Subclass Arecidae: Acoraceae / Sweet-flag Family

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pp. 76-84

Emersed perennials. arising from thick. creeping. aromatic rhizomes; leaves long-linear; flowers bisexual. 3-merous. greenish; fruit a gelatinous, few-seeded berry,...

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Subclass Commelinidae: Xyridaceae / Yellow-eyed-grass Family

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pp. 85-309

Emersed perennials; leaves grass-like, basal, 2-ranked, blades linear, abruptly or gradually dilated toward base; inflorescence a com pact, head-like spike; flowers bisexual, borne in axils of leathery or chaffy, overlapping bracts, often a single flower open at a time; petals yellow; fruit a capsule. ...

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Subclass Zingiberidae: Marantaceae / Arrowroot Family

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pp. 310-311

Perennial herbs, large, erect, arising from thick rhizomes; leaves large, alternate, basal, long-petioled; inflorescence a narrow to spreading panicle; flowers bisexual, in pairs, subtended by 2 bracts; sepals 3, small; petals 3, llanceolate, 2 obovate, purple; ovary Inferior; fruit a fleshy blueish-purple utricle. ...

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Subclass Liliidae: Pontederiaceae / Pickerel-weed Family

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pp. 312-350

Perennial and annual herbs; leaves subcircular. ovate to broadly elliptic. petioles often inflated; inflorescence spike-like; flowers violet-blue with yellow streaks. subtended by a spathe-like bract; fruit a capsule. ...

Abbreviations

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pp. 351-352

Glossary of Plant Terms

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pp. 353-362

Glossary of Habitat Terms

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pp. 363-364

References

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pp. 365-372

Index

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pp. 373-400