. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ons ; they are, however* essentially dis-tmguished by many important points ofsti-ucture. In the first place, their stemsare usually angular, not romid and fis-tular ; there isno diaplu-agmat the articula-tions ; theirflowers are des-titute of anyother coveiingthan that afford-ed them by a single bract, in the axil of which they grow,with the exception of Carex, Uncinia, and Diplacrum, in which2 opposite glumes are added ; and, finally, the seed has its em-bryo lying in the bas
. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ons ; they are, however* essentially dis-tmguished by many important points ofsti-ucture. In the first place, their stemsare usually angular, not romid and fis-tular ; there isno diaplu-agmat the articula-tions ; theirflowers are des-titute of anyother coveiingthan that afford-ed them by a single bract, in the axil of which they grow,with the exception of Carex, Uncinia, and Diplacrum, in which2 opposite glumes are added ; and, finally, the seed has its em-bryo lying in the base of the albumen, within which its cotyle-donar exti*emity is enclosed, and not on ihe outside, as inGrasses ; a very impoitant fact, which it is the more necessaryto point out, since Brown describes it {Prodr. 212) as lenticularand placed on the outside of the albumen. The additionalglumes above adverted to form what Linnaean botanists callthe nectary or ai-il ! Brown mentions a case where theseglumes, which he calls a capsular perianth, included stamensinstead of a pistil. According to Tm-pin, rudiments of the. Fig. LXXVIII.
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Keywords: ., bo, bookcentury1800, bookdecade1840, bookidvegetablekingdom00lind
