Ancient Plants: Being a Simple Account of the past Vegetation of the Earth and of the Recent Important Discoveries Made in This Realm of NatureStopes, Marie Carmichael
Science
Ancient Plants: Being a Simple Account of the past Vegetation of the Earth and of the Recent Important Discoveries Made in This Realm of Nature
Stopes, Marie Carmichael
Paleobotany
_Salix_, 83.
_Sambucus_, 84.
_Schizoneura_, 173.
Sclerenchyma, 56, _26_, 59, _34_.
Scott, 2, 160, 187.
Secondary wood, development of in fossil members of families now
lacking it, 72.
Seeds, series of types from spores to seeds, 75, 76, _52_-_58_.
— position on the plant, 77, 78.
— Tertiary impressions of, 80, 81, _60_.
_Selaginella_, 75, 133, 134.
— with four spores in a sporangium, 75, _53_.
_Sequoia_, 86.
Seward, 187.
“Shade leaves”, 171.
Shale, 7, _1_, 11, 24, 25, 36.
Sieve tubes, 57, _32_.
_Sigillaria_, 142, 145.
_Sigillaria_, cast of leaf bases, 9, _2_, 144, _102_.
— description of, 144.
Silica, 17.
Silicified wood, 17, 80, 87.
Solms Laubach, 2, 187.
Specimens, treatment of, 184.
Sphenophyllales, 44, 153.
— description of, 153.
— general distribution in time, 177.
_Sphenophyllum_, 44, 153, 154, 160.
— cone of, 157, 116.
— _fertile_, 158.
— impression of foliage, 154, _112_.
— _plurifoliatum_, 153.
— sporangia of, 158, _117_.
— stem anatomy, 155, _113_, 156, _114_.
— stem in coal ball, 20.
— wood of, 156, _114_, _115_.
_Sphenopteris_, leaf impression, 11, _5_.
— foliage of Pteridosperms, 115, _77_.
Sporangium of ferns, 67, _45_.
— of lycopods, 67, _46_.
— of pteridophytes, 75, _52_, _53_, _54_.
Spores, germinating, in fossil sporangia, 68, _47_.
— peculiar structures among palæozoic examples of, 74.
— series of types from “spores” to “seeds”, 75, 76, _52_-_58_.
— tetrads of, 75, _52_, _53_, _54_.
Sporophyll, 75, _52_, _53_, _54_.
_Stangeria_, 110.
Stele, modifications of, 62, _36_-_42_.
Stems, external similarity in living and fossil, 60.
_Sternbergia_, cast of, 10, _4_.
— pith cast of _Cordaites_, 93.
_Stigmaria_, 69, 142, 143, 144, 145.
— rootlet of, 143, _101_.
Stomates, 54, _23_.
— in fossil epidermis, 14, _8_.
Stoneworts, 163.
Synclines, 23.
Taxeæ, 88, 90.
— comparison of fructification with that of Cordaiteæ, 95.
— description of, 92.
Taxeæ, fleshy seeds of, 89.
_Taxodium_, 86.
_Taxus_, 82.
Time, divisions of geological time, 34.
Tracheides for water storage, 56, 30.
Tree-ferns, 130.
_Trigonocarpus_, 11, 76, 82, 122, _84_.
— once supposed to be a Monocotyledon, 82.
— probably the seed of Medullosa, 121.
_Tubicaulis_, 127, _89_.
Unexplored world, 3.
Unicellular plants, 47, _17_.
— — division of cells in, 47, 48, _18_.
“Vascular bundles”, relation of to steles, 65, _42_.
— tissue, 57, _31_, _32_, _33_, 59.
— — continued growth of, 65, _43_.
— — importance in plant anatomy, 61 et seq.
_Viburnum_, 84, 85.
Watts, 187.
Westphalia, 19.
Wieland, 2, 102, 187.
Williamson, 2, 187.
_Williamsonia_, 104.
Wood, cells composing, 57, _31_.
— centrifugal development of, 97, _65_.
— centripetal development of, 97, _65_.
— parenchyma, 57, _31_.
— silicified, 17, 80, 87.
— solid rings of formed by cambium, 66, _44_.
— vessels of Angiosperms, 58.
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