Bulletin of the Torrey Botanical Club

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Torrey Botanical Club., 1907 - Botany
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Page 169 - ... general application of binomial names of plants (Linnaeus' Species Plantarum, 1753). 3. Priority of publication is a fundamental principle of botanical nomenclature. Two groups of the same category cannot bear the same name. NOTE. — Previous use of a name in zoology does not preclude its use in botany. 4. The application of a name is determined by reference to its nomenclatorial type. PART II. CANONS. Section I. Categories of Classification. CANON I. Connected or coherent groups of individuals...
Page 501 - When two or more groups of the same nature are united, the name of the oldest is retained. If the names are of the same date, the author chooses, and his choice cannot be modified by subsequent authors.
Page 62 - The material upon which the present paper is based is contained in the herbaria of the New York Botanical Garden and of Columbia University and in the private collections of Dr.
Page 173 - Euphania. (b) A figured species is to be selected rather than an unfigured species in the same work; or, in the absence of a figure, preference is to be given to a species accompanied by the citation of a figure. Examples. — iasp«cfezaMichx. Fi. Bor. Am. 2.- 70 (1803), is typified by L.
Page 435 - Rydb. A tall branched biennial ; leaves thin, the lower lyrately pinnatifid, the upper entire; sepals thin, petaloid, white, oblong or linear, spreading or reflexed in anthesis; petals white, with spatulate blades tapering into short claws; poda slender, terete, with short stipes and styles; stigmas truncate or nearly BO.
Page 169 - PRINCIPLES. 1. The primary object of formal nomenclature in systematic biology is to secure stability, uniformity and convenience in the designation of plants and animals. 2. Botanical nomenclature is treated as beginning with the general application of binomial names of plants (Linnaeus
Page 31 - ... walls parallel with the surface are usually distinctly thickened. The ventral lamellae are in about twelve rows on a well-developed axis. They vary in length but are mostly one to three cells wide ; along the edge scattered or crowded teeth or cilia with blunt ends are present, each being mostly two to four cells long and one or two cells wide at the base. The cell walls of the lamellae are thickened, especially the bounding walls of the marginal teeth, but trigones are either absent or indistinct....
Page 65 - ... epispore thick, verrucose, or with low blunt ridges which are often confluent and irregularly branched. This is the most widely distributed and by far the commonest species of the genus.
Page 129 - Resultat dieser Untersuchungen ergiebt sich unzweifelhaft, dass die Diastase durch die Zellhaut zu diffundiren vermag. Der von Brown und Morris1) aufgestellte Satz, »dass das Verschwinden der Zellhaut immer jedem sichtbaren Angriff auf die enthaltenen Stärkekörner vorangeht* (that the disappearance of the cell-wall always precedes any visible attack upon the contained starch-granules), bestätigt sich nicht für alle Fälle. Ueberblickt man die Lösungserscheinungen, so kann man leicht auf die...
Page 172 - CANON 15. The nomenclatorial type of a genus or subgenus is the species originally named or designated by the author of the name. If no species was designated, the type is the first binomial species in order eligible under the following provisions: (a) The type is to be selected from a subgenus, section, or other list of species originally designated as typicai.

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