An Illustrated Flora of the Northern United States, Canada and the British Possessions: From Newfoundland to the Parallel of the Southern Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d Meridian, Volume 1

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C. Scribner's sons, 1913 - Botany
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Volume 1 - Ophioglossaceae to Polygonaceae, Ferns to Buckwheat. Volume 2 - Amaranthaceae to loganiaceae, Amaranth to Polypremum. Volume 3 - Gentianaceae to Compositae, Gentian to thistle..

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Page viii - 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 typical.
Page viii - 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 40 - Stems i°-5° high, simple or little branched, pale green, annual or persistent, i4-3o-furrowed, the ridges almost smooth. Sheaths elongated and enlarged upward, marked with a black girdle at the base of the mostly deciduous, white-margined teeth and rarely also at their bases; ridges of the sheath with a faint central carina and sometimes with faint short lateral ones ; stomata arranged in single series ; central cavity very large, the wall of the stem very thin, spikes pointed. Along streams and...
Page viii - Hooker, had not been figured. (c) The types of genera adopted through citations of nonbinomial literature (with or without change of name), are to be selected from those of the original species which receive names in the first binomial publication. The genera of Linnaeus' Species Plantarum (1753) are to be typified through the citations given in his Genera Plantarum (1754).
Page 215 - ... of about the same texture, deciduous, bearing a dorsal awn, the apex toothed ; palet narrow, 2-nerved ; stamens 3 ; styles distinct ; stigmas plumose ; grain oblong, free, enclosed in the scale.
Page 229 - Tufted annual or perennial grasses, with flat leaves and spicate inflorescence, the spikes digitate or close together at the summit of the culm. Spikelets several-flowered, sessile, closely imbricated in two rows on one side of the rachis, which is not extended beyond them; flowers perfect or the upper staminate. Scales compressed, keeled; the 2 lower empty; the others subtending flowers, or the upper empty. Stamens 3. Styles distinct.
Page xv - With- hairs limited more or less to a certain area of an organ Berry A fruit in which the seeds are imbedded in a soft or fleshy substance Biternate Twice ternate Blade The flat expanded part of a leaf Bract A leaf, usually small, standing below a flower or a...
Page xvii - ... the basal lobes diverging. Haustoria. The specialized roots of parasites. Head. A dense round cluster of sessile or nearly sessile flowers. Herbaceous. Leaf-like in texture and color, pertaining to an herb. Heterocyst. An enlarged, commonly inert, often yellowish cell, in certain filamentous Algae. Hilum. The scar or area of attachment of a seed or ovule. Hirsute. With rather coarse stiff hairs. Hispid. With bristly stiff hairs. Hispidulous. Diminutive of hispid. Hyaline. Thin and translucent....
Page xviii - Salver-shaped , referring to corollas having the slender tube very abruptly expanded into a flat limb. Samara. An indehiscent winged fruit. Saprophyte. A plant which grows on dead organic matter. Scabrous. Rough to the touch. Scale. A reduced leaf at the base or beginning of a shoot; in sedges, the bract subtending the flower; in Asteraceae, etc., the bracts on the receptacle at the side of (below) each flower. Scape. A leafless or nearly leafless peduncle arising from the underground parts of a...
Page vi - The more simple forms are, in general, distinguished from the more complex, (1) by fewer organs or parts ; (2) by the less perfect adaptation of the organs to the purposes they subserve ; (3) by the relative degree of development of the more important organs ; (4) by the lesser degree of differentiation of the...

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