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Official plant names
Vol 52, Page 1, Date 1950
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Willow hybrids: Salix hebecarpa Fernald and S. simulans Fernald
Vol 52, Page 8, Date 1950
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SOME ADDITIONS TO THE OKLAHOMA FLORA
Vol 52, Page 19, Date 1950
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Betula michauxii, a brief symposium. 1. Introductory note
Vol 52, Page 25, Date 1950
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A Note on the Varieties of Zizania aquatica L
Vol 52, Page 34, Date 1950
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Some Additions to the Oklahoma Flora
Vol 52, Page 35, Date 1950
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'New records for the Bruce Peninsula, Ontario
Vol 52, Page 41, Date 1950
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ANDROPOGON ELLIOTTII CHAPM. IN ILLINOIS
Vol 52, Page 45, Date 1950
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Two new forms of plants from Minnesota
Vol 52, Page 46, Date 1950
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LONG LIFE TO ALEXANDER W. EVANS
Vol 52, Page 49, Date 1950
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Montana plant-distribution records
Vol 52, Page 52, Date 1950
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The authorities for Torreyochloa fernaldii (Gramineae)
Vol 52, Page 53, Date 1950
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Studies of Minnesota flowering plants with notes on additions to the flora
Vol 52, Page 54, Date 1950
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A SMALL FASCICLE OF NOVELTIES
Vol 52, Page 61, Date 1950
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Arenaria uniflora
Vol 52, Page 71, Date 1950
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Nomenclatural and other notes on mosses
Vol 52, Page 72, Date 1950
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A New Flora for the San Francisco Bay Area
Vol 52, Page 76, Date 1950
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NOTES ON THE CLADONIAE OF CONNECTICUT—IV
Vol 52, Page 77, Date 1950
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A substitute for formaldehyde and alcohol in plant collecting
Vol 52, Page 123, Date 1950
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Subspecific variation in Sporobolus cryptandrus
Vol 52, Page 125, Date 1950
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Brassica kaber var. stricta
Vol 52, Page 127, Date 1950
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Potamogeton oblongus, not P. polygonifolius
Vol 52, Page 128, Date 1950
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An electrical drier for herbarium specimens
Vol 52, Page 129, Date 1950
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Desmodium: Preliminary studies. III
Vol 52, Page 135, Date 1950
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Sidelights from zoology on botanical nomenclature
Vol 52, Page 156, Date 1950
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Range-extensions and clarifications in New Hampshire
Vol 52, Page 160, Date 1950
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Some results of a third summer's botanizing in Oklahoma
Vol 52, Page 165, Date 1950
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NEED FOR CAUTION REGARDING CERTAIN COLLECTIONS
Vol 52, Page 175, Date 1950
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SYNONYMY IN VIBURNUM OBOVATUM AND V. CASSINOIDES
Vol 52, Page 179, Date 1950
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A new variety of Saxifraga
Vol 52, Page 183, Date 1950
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Stamen-numbers in Cuphea
Vol 52, Page 185, Date 1950
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A key to the hickories north of Virginia with notes on the two pignuts, Carya glabra and C. ovalis
Vol 52, Page 188, Date 1950
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The hybrid of Lysimachia terrestris and L. thyrsiflora
Vol 52, Page 199, Date 1950
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Adiantum capillus-veneris in the United States
Vol 52, Page 201, Date 1950
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Shrubs of Michigan
Vol 52, Page 208, Date 1950
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Nomenclatural changes in Bromus
Vol 52, Page 209, Date 1950
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Rhododendron maximum in New England
Vol 52, Page 215, Date 1950
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North American variety of Milium effusum
Vol 52, Page 218, Date 1950
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Galium harcynicum: A problem in interpreting the International Rules
Vol 52, Page 222, Date 1950
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A CULINARY USE FOR THE LEAF OF VITIS RIPARIA
Vol 52, Page 225, Date 1950
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The Eighth Edition of Gray's Manual of Botany
Vol 52, Page 226, Date 1950
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Scamman's Ferns and Fern Allies of New Hampshire
Vol 52, Page 228, Date 1950
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Shortia galacifolia from Georgia
Vol 52, Page 229, Date 1950
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Studies in the Caryophyllaceae. IV
Vol 52, Page 233, Date 1950
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THE VALIDITY OF THE GENERIC NAME PTERETIS
Vol 52, Page 246, Date 1950
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The seeming invalidity of some substitutes for the name Habenaria straminea
Vol 52, Page 247, Date 1950
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Our American forms of Stellaria alsine
Vol 52, Page 250, Date 1950
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Notes on distribution of North Carolina plants[long dash]II
Vol 52, Page 253, Date 1950
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WHY SO MANY CARELESS BOOKS ON TREES AND OTHER PLANTS?
Vol 52, Page 272, Date 1950
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Rhododendron maximum at Medfield, Massachusetts
Vol 52, Page 279, Date 1950
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Misprints and other typographical Errors in Gray's Manual
Vol 52, Page 280, Date 1950
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ON THE APPLICATION OF THE NAME ARNICA LESSINGII (TORREY & GRAY) GREENE
Vol 52, Page 281, Date 1950
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Arnica mollis and A. lanceolata
Vol 52, Page 284, Date 1950
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Deep-freezing flowers for laboratory instruction in systematic botany
Vol 52, Page 289, Date 1950
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NEW PLASTIC AID IN MOUNTING HERBARIUM SPECIMENS
Vol 52, Page 298, Date 1950
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Dalea alopecuroides on Plum Island, Essex County, Massachusetts
Vol 52, Page 299, Date 1950