. A spring flora for high schools. Botany. 32 ARACEAE (ARUM FAMILY) THUJA (Arbor Vitae) Leaves scale-like, opposite, and more or less two-ranked. Monoecious. T, occidentalis. Arbor Vitae, White Cedar. Leaves in four rows On the two-edged branchlets. Scales of the cones pointless. Swamps and cool, rocky banks. A tree, 10-20 meters high, with pale, slireddy bark, and light, soft, but very durable wood. JUNIPERUS (Juniper) Foliage not two-ranked. Dioecious. Fruit berry-like with bony, ovate seeds. Evergreen. J. communis. Juniper. Catkins axillary. Leaves in whorls of three. Prickly pointed, chann
. A spring flora for high schools. Botany. 32 ARACEAE (ARUM FAMILY) THUJA (Arbor Vitae) Leaves scale-like, opposite, and more or less two-ranked. Monoecious. T, occidentalis. Arbor Vitae, White Cedar. Leaves in four rows On the two-edged branchlets. Scales of the cones pointless. Swamps and cool, rocky banks. A tree, 10-20 meters high, with pale, slireddy bark, and light, soft, but very durable wood. JUNIPERUS (Juniper) Foliage not two-ranked. Dioecious. Fruit berry-like with bony, ovate seeds. Evergreen. J. communis. Juniper. Catkins axillary. Leaves in whorls of three. Prickly pointed, channeled and whitish above; thin and narrow, widely spreading. Shrub two meters high or less. Dry soil. J. virginiana. Red Cedar. Catkins terminal. Scale-like leaves opposite and entire. Berries on straight peduncles. Ranges in form from 3; shrub to a tree fifteen to twenty-five meters high, pyramidal in io^tm. Dry hills or deep swamps, especially common in pastures. Bark shreddy. Heart-wood red and aromatic. Juniperus virginiana. Red Cedar, li, pistillate twig; .;^iirflre;s:"j, ^.r SPARGANIACEAE (Bur-reed family) Hydrophytes with alternate, sessile, linear, 2-ranked leaves; flowers monoecious and in globular in- florescences. SPARGANIUM Inflorescences scattered along upper part of stem. Perennials with fibrous roots and creeping horizontal rootstocks. Flowers through the summer. The fertile heads become bur-like. S. eurycarpum. Bur-reed. Fertile flowers closely sessile. Fruit broadly obovoid. Stems stout and erect. Style short, bearing i or 2 elongated stigmas. Borders of ponds, lakes, and rivers. Common. ARACEAE (Arum Family) Flowers crowded on a spadix which is usually surrounded by a spathe. A large family, chiefly Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cowles, Henry Chandler, 1869-1
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915
