Text-book of structural and physiological botany . Fig. se-paioid perianth of Tv?/-7nex acetosa (magni-fied).. Fig. 259. — Longitu- Fig. 260. — I. Staminate flower; II. pistillate flower; dinal section through III. section of tlie fruit of the stinging-nettle, Ur- the sepaloid perianth tica dioica (magnified),of the elm (). tant part in the formation of the fruit. [Under this headcome the palece and lodicides of grasses, and iht pe?i^yniuniof sedges.] SUBSIDIARY ORGANS OF THE FLOWER. By subsidiary organs are meant appendages to the flowerof various kinds which cannot be
Text-book of structural and physiological botany . Fig. se-paioid perianth of Tv?/-7nex acetosa (magni-fied).. Fig. 259. — Longitu- Fig. 260. — I. Staminate flower; II. pistillate flower; dinal section through III. section of tlie fruit of the stinging-nettle, Ur- the sepaloid perianth tica dioica (magnified),of the elm (). tant part in the formation of the fruit. [Under this headcome the palece and lodicides of grasses, and iht pe?i^yniuniof sedges.] SUBSIDIARY ORGANS OF THE FLOWER. By subsidiary organs are meant appendages to the flowerof various kinds which cannot be included either amongthe floral envelopes or the essential organs of the flower. The corona or para^orolla is a whorl of leaf-like or fili-form organs, often brightly coloured, intervening between The External Form of Plants. 135 the perianth and the stamens, and sometimes attached tothe one, sometimes to the other. In the narcissus () it is coherentand bell - shaped,while in the passion-flower it consists ofa number of brightlycoloured hairs ; inLych nis (Fig. 254,p. 132) it forms asmall coronet at thebase
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Keywords: ., bookcentury1800, bookdecade1870, bookpublishernewyorkjwileysons
