. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. Staminate cones axillary, pistillate cones terminal, ovoid to oblong,ovules 2 on each scale, seeds winged, cones ovoid to oblong, hanging, thescales papery, persistent; leaves linear, 4-angled, scattered, single, on shortbases; evergreen trees. 1. Cones 3-5 cm. long; twigs finely hairy; leaves only moderately stiff and sharp P. Engelmdnnii 2. Cones 5-10 cm. long; twigs usually smooth; leaves very stiff and spiny P. pungens Plate 47. PINES-JOINT FIRS PINE PAMILYPINE 1 Finns ponderosa: leaf cluster; cone x*/2 2. Pi
. Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users. Staminate cones axillary, pistillate cones terminal, ovoid to oblong,ovules 2 on each scale, seeds winged, cones ovoid to oblong, hanging, thescales papery, persistent; leaves linear, 4-angled, scattered, single, on shortbases; evergreen trees. 1. Cones 3-5 cm. long; twigs finely hairy; leaves only moderately stiff and sharp P. Engelmdnnii 2. Cones 5-10 cm. long; twigs usually smooth; leaves very stiff and spiny P. pungens Plate 47. PINES-JOINT FIRS PINE PAMILYPINE 1 Finns ponderosa: leaf cluster; cone x*/2 2. Pinus flexilis : leaf cluster; cone x^ 3. Pinus eclulis : leaf cluster; cone xj/2 4. Pinus aristata : leaf cluster; cone x^ 5. Pinus murrayana: leaf cluster; cone xy2 SPRUCE 6. Picea pungens: leaf and cone 7. Picea Engelmannii: leaf and cone FTR 8. Abies lasiocarpa: leaf and cone 9. Abies concolor: leaf and cone 1C. Pseudotsuga mucronata: leaf and cone JUMPER, CEDAR 11. Juniperus communis: Juniper, Cedar 12. Juniperus scopulorum JOINT FIR FAMILY 13. Ephedra trifurca : Joint Fir. 368 PINE ORDER Pikus Linne 1753 Pine (The Latin form of the Celtic name) PL 47, fig. 1-5. Staminate cones at the bases of new shoots, several-many in a cluster,pistillate cones solitary or few on year-old twigs, in the upper part of thetree, composed of scales with 2 ovules, borne on small bracts ; cone woody,maturing the second autumn, seeds winged; leaves of 2 kinds, primary, lin-ear or scale-like, deciduous, secondary, needle-like in clusters of 2-5, rarelysingle with a papery sheath at base; evergreen, monoecious trees. 1. Leaves 2-3 in a cluster, rarely single a. Leaves 1-3 in. long (1) Trunks 4-20 ft. high; leaves usually 2, sometimes 1, 1-2 in. long; cones 1-2 ; tips of the scales very broad andthick, without prickles P. edulis (2) Trunks 20-100 ft. high ; leaves 2-3 in. long; cones 1-2 in. long; tips of the scales not broad and thick, prickly-pointed P. murraydna b. Leaves 4-8 in. long, 2-3
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectwildflo, bookyear1920
