The tree book : A popular guide to a knowledge of the trees of North America and to their uses and cultivation . ly flushed with purple. It grows wild in considerable 123 The Yuccas areas, a striking feature of the landscape, and is common inTexas gardens. By these two species the characters of the genus are exem-plified, and the remaining seven species will readily be referredto the genus. There are no other trees likely to be confusedwith yuccas. THE CACTI Allied to the mangroves and the myrtles, but like the yuccasin some particulars, and in choosing desert regions to live in, arethe cacti,
The tree book : A popular guide to a knowledge of the trees of North America and to their uses and cultivation . ly flushed with purple. It grows wild in considerable 123 The Yuccas areas, a striking feature of the landscape, and is common inTexas gardens. By these two species the characters of the genus are exem-plified, and the remaining seven species will readily be referredto the genus. There are no other trees likely to be confusedwith yuccas. THE CACTI Allied to the mangroves and the myrtles, but like the yuccasin some particulars, and in choosing desert regions to live in, arethe cacti, two genera of which have tree-like species in the UnitedStates. The soft stems of these trees are storehouses of moisture,as are also the fleshy branches. All green surfaces perform thefunctions of leaves. The spiny processes are the character bywhich most people recognise a cactus. The flowers are large andshowy, formed into a tube by many overlapping sepals and fruit is a fleshy, many-seeded berry. The tree cacti arefound in desert regions near the boundary between the UnitedStates and Copyright, 1905, by Doubleday, Page & Company DOGWOOD TREE IN FULL BLOOM (Cornus florida\ I CHAPTER XIX: THE WALNUTS ANDTHE HICKORIES Family Juglandace/E Genera, JUGLANS and HICORIA Resinous, aromatic trees with hard wood. Leaves deciduous,alternate, pinnately compound. Flowers monoecious: staminatelateral, in catkins; pistillate terminal, in spikes, or , a bony nut enclosed in a spongy husk. KEY TO GENERA AND SPECIES A. Pith of twigs chambered; husk not opening at maturity;nuts not smooth. i. Genus JUGLANS, Fruit elongated, clammy, in racemes; heart wood lightbrown. (/. cinerea) butternut BB. Fruit globular, not clammy; solitary or paired; heartwood dark Nuts deeply and irregularly ridged, large. (/. nigra) black walnutCC. Nuts deeply furrowed, small, thick shelled. (/. rupestris) Mexican walnutCCC. Nuts faintly furrowed, small, thin shelled.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttrees, bookyear1920
