A Class-book of Botany: Designed for Colleges, Academies, and Other Seminaries : in Two Parts: Part I. The Elements of Botanical Science. Part II. The Natural Orders : Illustrated by a Flora of the Northern, Middle, and Western States, Particularly of the United States North of the Capitol, Lat. 38 3/4 ̊, Partes1-2Manufacturing Company, 1848 - 645 páginas |
Otras ediciones - Ver todas
A Class-book of Botany: Designed for Colleges, Academies, and Other ... Alphonso Wood Vista completa - 1846 |
A Class-Book of Botany, Designed for Colleges, Academies, and Other ... Alphonso Wood Sin vista previa disponible - 2017 |
A Class-Book of Botany, Designed for Colleges, Academies, and Other ... Alphonso Wood Sin vista previa disponible - 2018 |
Términos y frases comunes
1-celled 2f high 3-lobed achenia acuminate acute alternate anthers apex axillary base beneath bracteate bracts branches Calyx capsule carpels cauline colored cordate corolla corymbs cylindric cymes dense dentate diam drupe entire erect filiform fleshy Flowers fruit Genera glabrous glaucous globose glumes green hairy herbs Ifts imbricated invol involucre lanceolate Leaflets leafy Leaves linear linear-lanceolate Linn lobes longer margin Michx mucronate Muhl nearly numerous Nutt oblong obovate obtuse opposite ovary ovate ovate-lanceolate palea panicle pedicels peduncles Penn perianth perig petals petioles pinnate pinnatifid plant pubescent purple racemes radical rays root roundish scabrous scales Scape seeds segments sepals serrate sessile sheaths short shorter shrub silicles simple slender smooth solitary species spikelets spikes spreading stamens Stem 1-2f high stig stigma stip striate style subsessile subulate terminal tree tube umbels unequal upper veins verticillate Willd woods yellow
Pasajes populares
Página 60 - When the seed is planted in a moist soil, at a moderate temperature, the integuments gradually absorb water, soften, and expand. The water is decomposed, its oxygen combines with the carbon of the starch which...
Página 175 - Petals yellow, lateral ones bearded, and with the upper one marked with a few brown lines. The plant varies in pubescence, sometimes even glabrous. Height very variable, 5—20'.
Página 93 - Perfoliate (perfoliatus) ; when the two basal lobes of an amplexicaul leaf are united together, so that the stem appears to pass through the substance of the leaf.
Página 61 - I have now before me," he says, " three plants of Raspberries, which have been raised in the gardens of the Horticultural Society, from seeds taken from the stomach of a man, whose skeleton was found 30 feet below the surface of the earth, at the bottom of a barrow which was opened near Dorchester. He had been buried with some coins of the Emperor Hadrian, and it is probable, therefore, that the seeds were sixteen or seventeen hundred years old.
Página 45 - Soon after the pollen falls upon the stigma, the outer coat of each granule bursts (70, a) at one or more points, allowing the inner coat to pass through it in the form of a tube. This tube insinuates itself between the cells of the stigma, and passes down between the loose cells of the style, extending itself until it reaches the ovary, even when the style is of considerable length. When these tubes reach the ovary, they direct themselves towards the ovules in different parts, and enter the foramen,...