Page:Natural History Review (1861).djvu/104

92 repes, nor as a maritime form of the latter. A synopsis is given of the various forms of the species, which are grouped under two series or races; together with descriptions and synonyms.

—Recherches Organogéniques sur la Fleur Femelle des Conifères. Presented to the Academy of Sciences, April, 1860. The author bases his views upon an extended organogenic study of the floral organs of the order. The development of the bracts, "scales," and female flowers, is detailed from Taxus baccata, Phyllocladus rhomboidalis, Torreya nucifera, Thuja, Pinus resinosa, Salisburia, and Cupressus.

In Pinus resinosa, L., the cone presents, in its earliest stage, a cylindro-conical axis, bearing numerous unequal alternate bracts, the development of which is arrested at an early period. These, the author regards as the only appendicular organs of the cone. In the axil of each bract originate minute cellular, vertically compressed, obtuse processes, which eventually become the trilobate flattened "scales," bearing a pair of female flowers upon the lower portion of the lateral lobes. The median lobe, in the process of growth, ceases to be the apparent apex of the scale, becoming, by a partial arrest, a slightly incurved tooth-like projection borne near the middle of its inner side. Dr. Baillon regards the scale as a metamorphosed branch. Each flower originates with the rudiments of a pair of minute car-