David Pearce Penhallow

The Generic Characters of the North American Taxaceae and Coniferae

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The Botanical Collector's Guide

A Manual for Students and Collectors, Containing Directions for the Collection and Preservation of Plants and the Formation of a Herbarium

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Notes on Devonian Plants

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Mechanism of Movement in Cucurbita, Vitis and Robinia

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Tables for the Use of Students and Beginners in Vegetable Histology

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Contributions to the Pleistocene Flora of Canada

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A Review of Canadian Botany from 1800 to 1895

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List of Diatomaceae from a Deep-sea Dredging in the Atlantic Ocean Off Delaware Bay by the U.S. Fish Commission Steamer Albatross

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A Manual of the North American Gymnosperms

Exclusive of the Cycadales But Together with Certain Exotic Species

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Notes on Cretaceous and Tertiary Plants of Canada

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was ...

The Anatomical Changes in the Structure of the Vascular Cylinder Incident to the Hybridization of Catalpa

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was ...

Report on Tertiary Plants of British Columbia Collected by Lawrence M. Lambe in 1906

Together with a Discussion of Previously Recorded Tertiary Floras

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Notes on Erian (devonian) Plants from New York and Pennsylvania

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Notes on Devonian Plants

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Outlines of Classification of Plants

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Mechanism of Movement in Cucurbita, Vitis and Robinia

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Myelopteris Topekensis, N. Sp

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Outlines of Classification of Plants

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Notes on the North American Species of Dadoxylon

With Special Reference to Type Material in the Collections of the Peter Redpath Museum, McGill College

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Elementary Botany /c

Y Percy Groom ; Together with A Manual of the More Common Herbaceous Plants of Quebec and Ontario, Adapted from Gray's Manual by D. P. Penhallow

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North American Gymnosperms

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Notes on the North American Species of Dadoxylon ...

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The Botanical Collector's Guide

A Manual for Students and Collectors, Containing Directions for the Collection and Preservation of Plants and the Formation of a Herbarium

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A Review of Canadian Botany from 1800 to 1895

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Manual of the More Common Herbaceous Plants of Quebec and Ontario for Use in Connection with Groom's Botany

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Contributions to the Pleistocene Flora of Canada

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Variation of Water in Trees and Shrubs

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Report on a Collection of Fossil Woods from the Cretaceous of Alberta

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Report on Tertiary Plants of British Columbia Collected by Lawrence M. Lambe in 1906, Together with a Discussion of Previously Recorded Tertiary Floras [microform]

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Notes on Erian (Devonian) Plants from New York and Pennsylvania

Notes on Nematophyton Crassum

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Notes on the North American Species of Dadoxylon

With Special Reference to Type Material in the Collections of the Peter Redpath Museum, McGill University

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was ...

Notes on Erian (Davonian) Plants from New York and Pennsylvania

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