Pine Family 3 



pressed, 8-12 mm. long; wing minute, scarcely exceeding 1 mm. 

 in width, usually remaining attached to the scale. 



Summits of San Gorgonio, San Jacinto and Santa Rosa Mountains. 



** Scales with a thickened, usually awned umbo. 

 *- Staminate cones 3-6 mm. long; leaves 1-5 in a cluster, 5 cm. long 

 or less. 



3. P. monophylla Torr. & Frem. (NuT PINE.) A small tree, 

 5-8 m. high, with irregularly spreading branches and pale flaky 

 bark; leaves short, spiny-tipped, solitary, terete, 3-5 cm. long; 

 staminate cones oval with 6 involucral bracts; fruiting cones 

 3-6 cm. long and nearly as broad, bright green, apex of scale 

 thickened, 4-angled, narrowed into a prominent knob with a usu- 

 ally truncate umbo ending in a minute incurved tip; seeds 

 oblong, 12-20 mm. long; wing light brown, 8-12 mm. wide, 

 remaining attached to the scale. 



Frequent on the desert slopes of the San Gabriel and San Bernardino 

 Mountains. 



4. P. quadrifolia Parl. (PARRY'S PINE.) A small tree, 6-10 m. 

 high, with around top; bark dark brown tinged with red, divi- 

 ded by shallow fissures; leaves 3-5 (mostly 4) in a sheath, stout, 

 glaucous, 30-45 mm. long ; staminate cones oval, about 5 mm. 

 long, surrounded by 4 conspicuous bracts; fruiting cones sub- 

 globose, 3-5 cm. broad; scales thickened at apex, rounded, 

 conspicuously keeled, narrowed with a central knob terminating 

 in a truncate or concave umbo, armed with a minute recurved 

 mucro, bright chestnut brown, the rest of the scale dull red; 

 seeds oval, 10-16 mm. long; wings brown, about 2 mm. wide, 

 remaining attached to the scale. (P. Parryana Engelm.) 



Santa Rosa Mountains, Hall. First collected at Larkin's Station near the 

 Mexican boundary by Parry. 



*- *- Staminate cones 10-50 mm. long; leaves 2-5 in a cluster, usually 

 over 10 cm. long. 



5. P. Torreyana Parry. (DEL MAR or TORREY PINE.) A small 

 tree, 6-10 m. high, with spreading branches and dark brownish 

 bark; leaves 5 in a cluster, crowded at the ends of the thick 

 branchlets, stout, 20-28 cm. long; staminate cones cyclindric, 

 about 5 cm. long and 8 mm. thick, involucral bracts 14; fruiting 

 cones broadly ovate, 10-15 cm. long, chocolate brown ; scales 



