File:Text-book of structural and physiological botany (1877) (14590220847).jpg

Identifier: textbookofstruct00thom (find matches)
Title: Text-book of structural and physiological botany
Year: 1877 (1870s)
Authors: Thomé, Otto Wilhelm, 1840- Bennett, Alfred William, 1833-1902
Subjects: Plant physiology
Publisher: New York : J. Wiley & sons
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
Fig. ^S3—Cycas circinalis, a Cycad (greatly reduced). no floral envelope or perianth, but consist simply of an axis, which isin the one case densely covered with stamens, in the other case bears special Morphology and Classification, 335 I.
Text Appearing After Image:
Fig. 454.—Pinus sylvestris, the Scotch fir ;I. a branch (reduced) ; II. a male flower^(natura size). 336 Siritctural and Physiological Botany, the ovules. The two cotyledons are unlike in form, are connate withone another at their apex, and remain, on germination, enclosed in thealbuminous seed. The pith of some species, as the East Indian Cycascircinalis^ and the South African Encephalartos lanuginosus^ afford akind of s^go. (Principal genera: Cycas, Stangeria, Dioon, Encephalartos,Zamia.\ Order 2. Conifers. Trees or shrubs, with stems growing at theirapex for not unfrequently several centuries, and attaining a height of200 or 300 feet or more. Either all the leaves have the form of foliage-leaves, as in Juniperus and Thuja, or foliage-leaves alternate withmembranous scales which serve to protect the buds, as in the Abietinepe.The leaves are small, usually acerose (Fig. 454), and endure for severalvears, and the plants are therefore evergreen. The flowers are alwaysincomplete (with

Note About Images