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An illustrated key to the ferns of Oregon

Creator:: Pembrook, Helen Patricia O'Donahue
Abstract:: The purpose of the work is to enable students of botany to identify accurately Oregon ferns, both as living plants and as dried specimens. Therefore, it provides vegetative keys to the families, genera and species of the ferns (Class FILICINAE) found in Oregon. Correct names have been determined using the...
Resource Type:: Masters Thesis
Full Text:: have received from all those concerned with this project: Dr. Frank H. Smith, major professor, for

Anatomy and pathology of leaf spots on English holly, Ilex aquifolium (Tourn.) L

Creator:: Herridge, Elizabeth Anne
Resource Type:: Dissertation
Full Text:: materials from various parts of Oregon. Expressions of gratitude are inadequate to thank Dr. Frank H

Comparative anatomical study of three species of Microseris

Creator:: Soedjono, Estiti Harti
Abstract:: Three growth forms of the genus Microseris, of the tribe Cichorieae, family Compositae, were compared with respect to their anatomical structure. The purpose of this study was to clarify lines of evolutionary specialization in the genus. Two of the three species studied, M. laciniata and M. borealis, are perennials, while...
Resource Type:: Dissertation
Full Text:: . Frank H. Smith, for his wise help and guidance throughout this study, especially in preparation of the

Origin and differentiation of the seed cone of Pseudotsuga menziesii (Mirbel) Franco

Creator:: Owens, John N.
Resource Type:: Dissertation
Full Text:: privacy ACKNOWLEDGEMENTS I wish to express my sincere appreciation to Dr. Frank H. Smith for guidance

The effects of balsam woolly aphid infestations on wood anatomy of true firs

Creator:: Doerksen, Allan Harold
Abstract:: Three species of true firs in the Pacific Northwest--Abies gran-dis, grand fir; A. amabilis, Pacific silver fir; and A. lasiocarpa, subalpine fir--are severely damaged or killed by an imported insect pest, the balsam woolly aphid (Chermes (Adelges) piceae Ratz.), Infestations of this insect cause abnormalities in the wood and, in...
Resource Type:: Masters Thesis
Full Text:: professor Dr. Frank H. Srnith, Professor of Botany, for his help during rny studies, and A. C. VanVliet

Root initiation and differentiation in Pseudotsuga menziesii (Mirbel) Franco

Creator:: Bogar, Gerald Dale
Abstract:: Tissue differentiation of the primary root and its associated laterals is reported. Secretory elements are the first of the primary tissues to mature. They appear to be located between the precursory phloem and pericycle in the primary root, but are more closely associated with the pericycle in long lateral roots....
Resource Type:: Masters Thesis
Full Text:: especially to thank Dr. Frank H. Smith for his guidance throughout the study and in the preparation of the

Cambial divisions in Pseudotsuga menziesii

Creator:: Sisson, Warren Elmer, Jr.
Abstract:: Mitotic activity in the vascular cambium was determined from ten samples from a single internode in each of four Douglas-fir [(Pseudotsuga menziesii (Franco.) Mirb.)]trees. Counts of interphase and mitotic nuclei from nine cores in each sample piece were averaged and expressed as the frequency and mitotic index. The sampling error...
Resource Type:: Masters Thesis
Full Text:: Typed by Joanne Wenstrom ACKNOWLEDGEMENT I wish to express my gratitude to Dr. Frank H. Smith, my

Anatomical studies of Pinus ponderosa Laws : infested by Elytroderma deformans (Weir) Darker

Creator:: Wirtz, Felicia Pietrykowski
Abstract:: Pine needle blight of Pinus ponderosa Laws. caused by Elytroderma deformans (Weir) Darker is recognized by changes in the needles, in the bark and in the development of the branches. Anatomical studies of the host-parasite relation have been made previously on young pine tissue up to four years of age...
Resource Type:: Dissertation
Full Text:: : Dr. Frank H. Smith Pine needle blight of Pinus ponderosa Laws. caused by Elytroderma deformans

Comparative wood anatomy of the Fagaceae of Taiwan

Creator:: Lee, Chun-shu
Abstract:: Many species of the Fagaceae have been variously interpreted on the basis, primarily of external morphological characteristics. The objectives of this study are to elucidate generic and specific characteristics of the wood of Fagaceae and to attempt to obtain evidence regarding taxonomic relationships among some of the species occurring in...
Resource Type:: Masters Thesis
Full Text:: OF TAIWAN Abstract approved Frank H, Smith Many species of the Fagaceae have been variously

Seasonal pattern of secondary growth in stems of northern white spruce (Picea glauca (Moench) Voss)

Creator:: Gregory, Robert A.
Abstract:: Cambial activity in white spruce stems in Alaska was observed from April, 1964 to September, 1965 in over 300 samples taken from 50- to 60-year-old natural stands. Mitotic index was used as a measure of the rate of periclinal division of fusiform cells in the cambial zone. Anticlinal divisions are...
Resource Type:: Dissertation
Full Text:: grateful to Dr. Frank H. Smith for guidance, professional council, and critical review of the thesis

ScholarsArchive@OSU

An illustrated key to the ferns of Oregon

Anatomy and pathology of leaf spots on English holly, Ilex aquifolium (Tourn.) L

Comparative anatomical study of three species of Microseris

Origin and differentiation of the seed cone of Pseudotsuga menziesii (Mirbel) Franco

The effects of balsam woolly aphid infestations on wood anatomy of true firs

Root initiation and differentiation in Pseudotsuga menziesii (Mirbel) Franco

Cambial divisions in Pseudotsuga menziesii

Anatomical studies of Pinus ponderosa Laws : infested by Elytroderma deformans (Weir) Darker

Comparative wood anatomy of the Fagaceae of Taiwan

Seasonal pattern of secondary growth in stems of northern white spruce (Picea glauca (Moench) Voss)

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