Trees; a handbook of forest-botany for the woodlands and the laboratory . Fig. 119. Scots Pine, Pinus syloestris, p. 310 (Wi). 8 3 Needles longer, at least 8—15and up to 30 cm. long. A Leaves 10—15 cm., or up to18 cm. P. Laricio, Poir, var. Austriaca. Black Pino, AustrianPino (Fig. 120). Tall tree with very dark bark and rigid or sinuous, deep green on both faces, 8—18cm. long; stout, slightly obtuse or acute, hardly pungent, 312 BLACK PINE tip yellowish and hard, semi-terete or slightly channelledabove, margins minutely serratulate, persisting 3—4 oreven 6 years. Dying leaves y
Trees; a handbook of forest-botany for the woodlands and the laboratory . Fig. 119. Scots Pine, Pinus syloestris, p. 310 (Wi). 8 3 Needles longer, at least 8—15and up to 30 cm. long. A Leaves 10—15 cm., or up to18 cm. P. Laricio, Poir, var. Austriaca. Black Pino, AustrianPino (Fig. 120). Tall tree with very dark bark and rigid or sinuous, deep green on both faces, 8—18cm. long; stout, slightly obtuse or acute, hardly pungent, 312 BLACK PINE tip yellowish and hard, semi-terete or slightly channelledabove, margins minutely serratulate, persisting 3—4 oreven 6 years. Dying leaves yellow. Basal sheath 1*5 cm.,whitish or yellowish, becoming shorter and darker. Resin-. Fig. 120. Austrian Piue, Pinus Laricio, var. Austriaca, p. 311 (Wi). canals numerous, all round the leaf, each encircled bysclerenchyma. Venation simple. Vascular bundle double.[Other allied varieties are P. pyrenaica and P. Cor-sica.] A A Leaves at least 15—30 cm. longd? Leaves 15—20 cm. long. Pinus Pinea, L. Stone Pine. Large tree, umbrella-shaped when old. Leaves extended, 15—18 cm. (8— STONE PINE : CLUSTER PINE 313 20 cm. x l-5—2 mm.), rather slender, bright green, looseon the branches. Margins scabridulous, straight ortwisted: tip pungent, yellowish. Basal sheath grey, be-coming darker and torn. Resin-canals all round the leaf,each encircled by sclerenchyma. Venation simple. Dyingleaves yellow. <<?<<? Needles about 20—30 Pinus Pinaster, Soland. Cluster Pine. Large tree ofsandy coasts, &c. Leaves 18—30 cm. (8—30 cm. x 2 mm.),thick and fleshy, fresh green both sides, slightly shining,rigid, often twisted, mostly clustered towards the ends of
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