The American botanist and florist; including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union . 435, Spiranthes cernua—flowers in a twisted spike. 436, Orontiuin aquaticum—flowers on a nakedspadi:v. 437, Betula lenta—flowers in ameuts. Grasses, as Wheat, Timothy, are in fact compound spikes^ bear-ing little spikes or spihelets in place of single flowers (440).. 442 440 438, Andromeda racemosa—flowers in a secund raceme. 439, Vi^rbascum Blattaria—r
The American botanist and florist; including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union . 435, Spiranthes cernua—flowers in a twisted spike. 436, Orontiuin aquaticum—flowers on a nakedspadi:v. 437, Betula lenta—flowers in ameuts. Grasses, as Wheat, Timothy, are in fact compound spikes^ bear-ing little spikes or spihelets in place of single flowers (440).. 442 440 438, Andromeda racemosa—flowers in a secund raceme. 439, Vi^rbascum Blattaria—raceme. 440,Lolium perenne—a compound spike or a spike of spikelets. 441, Dipsacus sylvestris—liead with an in-volucre of leaves. 442, Osmorhiza longistylis—a compound umbel. 443, Its fruit. SPECIAL FORMS OF INFLORESCENCE. 119 356. The spadix is a thick, fleshy rachis, with flowers closely-sessile or imbedded on it, and usually with a spathe, as inCalla (430), or without it, as in Golden-club (436). 357. The catkin or ament is a slender, pendent spike Avithscaly bracts subtending the naked, sessile flowers, all caducous(falling) together, as in Birch, Beech, Oak, Willow. 358. The raceme is a rachis bearing its flowers on distinct,simple pedicels. It may be erect, as in Hyacinth, Pyrola ; orpendulous, as in Currant, Blackberry. The corymb differs fromthe raceme in having the lower pedicels lengthened so as toelevate all the flowers to about the same level. The corymboften becomes compound by
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1870
