Bergens Botany Key And Flora Pacific Coast Ed

Cover Bergens Botany Key And Flora Pacific Coast Ed

Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: CLASS I. â?? GYM'NOSPERMS Plants destitute of a closed ovary, style, or stigma ; ovules generally borne naked on a carpellary scale, which forms part of a cone. Cotyledons often several. CONIF'ER;. Pine Family Trees or shrubs with wood of peculiar structure, destitute of ducts, with resinous and aromatic juice. Leav

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es generally evergreen and needle-shaped or scale-shaped. Flowers destitute of floral envelopes, monoecious or dioecious. Male flowers consisting of stamens arranged in a spike, and resembling a catkin, with pollen sacs at the base of scales, subtended by a cluster of bracts like an involucre. Female flowers consisting of naked ovules at the base of scales arranged in a spike with a cluster of bracts below, in fruit forming a cone with the seeds under the scales or becoming a one- to few-seeded berry. I. JUNIP'ERUS, Juniper, Cedar Flowers dioecious, axillary or terminal. Staminate clusters numerous, with scales whorled or opposite, on a central axis, and 2-6 anther cells to each scale. Pistillate clusters of 3-6 fleshy scales, each bearing 1-2 erect ovules. textit{Fruit a berry. Seeds bony. Shrubs or low trees, usually branching irregularly, with aromatic wood, and thin, shreddy bark. textit{Leaves either triangular, scale-like, folding over each other, or linear, rigid, pointed, and free from each other. II. CUPRES'SUS, Cypress Monoecious. Staminate clusters small, very numerous, and at the tips of tiny brauchlets ; pollen sacs 3-5 at the base of each scale. Fertile clusters erect on short lateral branchlets,textit{forming, when ripe, roundish or oblong woody cones, con.- sisting of 6-10 very thick, shield-shaped scales, fitting closel?/ together ; cones maturing in two years in all except the last j ovules numerous, in several rows at the base of th...

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