. The classification of flowering plants. Plants. 96 FLOWERING PLANTS [CH. arises before and below the seed-scale, and the two are at first distinct (fig. 38, B, C, I); generally however the latter develops much more vigorously, and in Finns quite conceals the bract,. Fig. 38. A—D. Pinus sylvestris. A. Young shoot, bearing a young female cone (c), which terminates a short axillary scale-bearing shoot. B, C. Cone-scales of same shewing bract (b), and ovule-bearing scale (s), much enlarged, viewed from the side and below. D. Cone-scale %-iewed from above shewing the two ovules. E. Eipe cone-scal
. The classification of flowering plants. Plants. 96 FLOWERING PLANTS [CH. arises before and below the seed-scale, and the two are at first distinct (fig. 38, B, C, I); generally however the latter develops much more vigorously, and in Finns quite conceals the bract,. Fig. 38. A—D. Pinus sylvestris. A. Young shoot, bearing a young female cone (c), which terminates a short axillary scale-bearing shoot. B, C. Cone-scales of same shewing bract (b), and ovule-bearing scale (s), much enlarged, viewed from the side and below. D. Cone-scale %-iewed from above shewing the two ovules. E. Eipe cone-scale of Picea excelsa viewed from below; 6, bract; s, ovule- bearing scale. (After Willkomm, ForstUche Flora.) F. Cone-scale of Abies pectinata seen from outside; b, bract; s, ovule-bearing scale. G. Same from inside shewing the two winged seeds. (After Kerner.) H. Cone-scale of Larix europaea (letters as before). (After Kerner.) I. Diagram of cone-scale of Pinus Laricio. (After Coulter and Chamberlain.) h, bract; e, embryo-sac; i, integument of ovule; in, micropyle; 7i, nucellus; p, depression at apex of nucellus containing pollen-grains; 6% ovuliferous scale; r, vascular bundles. J. Cone-scale of Agathis aiistralis in longitudinal section; i, integument of ovule which is free all round; m, micropyle. K. Similar section from Araucaria excelsa, shewing outgrowth (s) above the ovule. L. Cone-scale of Cunninghamia sinensis (6), seen from above, shewing three ovules (o) and the outgrowth [s). M. Longitudinal section of part of cone of Cryptomeria japonica shewing scales, the median one subtending an ovule (o). N. Eipe cone-scale of Cryptomeria japonica, shewing two seeds (o). 0. Transverse section of leaf of Sciadoj^itys. J—M, and 0. (After Eichler in Engler and Prantl, Xatur. Pflanzenfam.) which has become concrescent with it. In the other genera Ahies (fig. 38, F, G), Picea (fig. 38, E), Cedrus, Larix (fig. 38, H), &c., the bract, though generally much smaller in the mature
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1904
