What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
aceous Algae alkaloid anthers apex apothecium applied archegonium axis bark bear body botany bracts branch calyx capsule carpels cavity cell-wall cells cellular cellulose chlorophyll colouring matter Compositae corolla cotyledons Crozier Cryptogams cyme Diatoms division elSos embryo enzyme erous Ferns fero fertilization filament florets flower forma fruit Fungi Fungus gamete genus germination glands gonidia Gonidium granules grasses growing growth hairs Heinig Henslow hymenium hyphae inflorescence layer leaf leaflets leaves Lichens Lindley Linn lobe male membrane ment Mosses nerve nucleus offspring oosphere Orchids organ outer ovary ovule parasite perianth pericarp pertaining petals petiole Phanerogams phloem pinnate pistils plants pollen portion producing protoplasm receptacle resembling root round seed sepals sexual shape sheath shoot side species spiral sporangia sporangium spores sporophore stamens starch stele stem substance surface synonym term thallus thickened Tieghem's tion tissue tpvrov tube valves vascular bundles veins vessel whorls wood yellow zoospores
Page 247 - ... gamete. Spermatophytes (seed plants). The highest great group of plants, of which a characteristic structure is the seed. Spike. A flower cluster, having its flowers sessile on an elongated axis. Spikelet (diminutive of spike). A secondary spike ; in grasses, the ultimate flower cluster, consisting of one or more flowers subtended by a common pair of glumes. Sporangium (spore vessel) ; pi. sporangia. The spore-producing structure.
Page 324 - Glossaire de botanique ou Dictionnaire étymologique de tous les noms et termes relatifs à cette science...
Page 312 - ... less deep, and pervades a region of smaller extent. Equalled only in its importance by the two basal principles of Heredity and Variation, this principle of Isolation constitutes the third pillar of a tripod on which is reared the whole superstructure of organic evolution. By isolation I mean simply the prevention of intercrossing between a separated section of a species or kind and the rest of that species or kind. Whether such a separation be due to geographical barriers, to migration, or to...
Page 79 - Disk, (1) an outgrowth of the receptacle within the calyx or within the corolla and stamens ; (2) the central part of the head (all but the rays) in Composite.
Page 212 - ... large pores visible to the naked eye. See ring-porous and diffuse-porous. Posterior. The back side of a flower, next to the axis of Inflorescence. Prickle. A small spine growing from the bark. Procumbent. Lying flat, with the long axis in a horizontal direction. Protoplasm. The living matter of cells, Into which all nourishment Is taken and from which all parts are formed. Puberulent. Minutely pubescent.
Page 125 - Homceosis consists in the assumption by one member of a meristic series of the form or character proper to...