. The classification of flowering plants. Plants. 98 FLOWERING PLANTS The perianth-leaves are usually similar, but sometimes differ in size and structure, as for instance in Halocnemum where there are three, two opposite and hooded, the odd one sHghtly concave; in Corispermum the hinder leaf is much larger and toothed, in Alexandra (Central Asia) the two lateral leaves are boat-shaped with a broad mng-like keel, the remaining three flat and without an appendage. In con- e. Fig. 40. A. Plan of inflorescence of Chenojjodiujn album; 1, central flower of dichasium springing from axil of main bract
. The classification of flowering plants. Plants. 98 FLOWERING PLANTS The perianth-leaves are usually similar, but sometimes differ in size and structure, as for instance in Halocnemum where there are three, two opposite and hooded, the odd one sHghtly concave; in Corispermum the hinder leaf is much larger and toothed, in Alexandra (Central Asia) the two lateral leaves are boat-shaped with a broad mng-like keel, the remaining three flat and without an appendage. In con- e. Fig. 40. A. Plan of inflorescence of Chenojjodiujn album; 1, central flower of dichasium springing from axil of main bract, b; 2, lateral flowers in axils of bracteoles a and 5, the branches of the secondary axes pass into unilateral cymes. B. Longitudinal section of flower of C. Bonus-Hearicus. C. Seed of same in vertical section. B, C enlarged. (A after Eichler; B, C after Baillon.) sistence they are either green and herbaceous as in Beta, Chenopodium, Atriplex, Suaeda and genera aUied to these, or hyahne, forming a thin deUcate membrane, as in Corisper- mum, Salicornia, Salsola (fig. 43) and allied genera. They are persistent in the fruiting stage, sometimes developing to form means of distribution for the enclosed fruit, such as wings, spines or a fleshy covering simulating a Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Rendle, A. B. (Alfred Barton), 1865-1938. Cambridge, University press
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1904
