PINT FAMILY 17 



5. P. pungens Engelm. A tree usually 25-30 m. hi^ occasionally 45 m. 

 high, and a trunk 6-9 dm. thick: b^-k fiurowed and scaly, cinnamon-red: leaves 

 strongly incurved, rigid, aciflninate, 2-3 cm. long on the sterile branches. 1-2 

 cm. long on the cone-bearing ones, dull bluish green, often with a silvers* bloom: 

 staminate flowers yellow, tinged with red: pistillate ones pale green or purplish; 

 cones usually 7-8 cm. long, oblong. P. Pamjana f Andre; Sargent. Colorado 

 Blue Speuce. Moimtains, especially along streams: Wvo. — X.M. — Utah. 

 Mont. 



Family 2. JUNIPERACEAE. Jcxipee Family. 



Evergreen dioecious or monoecious trees or shrubs. Buds naked. Leaves 

 pposite or whorled, mostly reduced and scale-like, appre^ed or sometimes 

 subulate and spreading. Perianth wanting. Aments solitary, the pistil- 

 late ones with few carpeUan,- scales. Chides erect, l-several under each 

 scale. Cones often with peltate scales, in some genera fleshy. Seeds wing- 

 less or, if winged, the win^ formed by a portion of the seed-coat. 



Plants iiMMioecioas; coaes dry; scales merely imbricate. 1. Thuja. 



Plants mostly dioecious: cooes berry-Uke or drupe-like, with coalescent flesh j scales. 

 AriH'iitg axillary: ctmes witb gmaJipi- scales at the top: leaves all subulate and 

 spreading. 2. Jcxipehcs. 



Aments terminal: pistillate ccnes with larger scales at the top: leaves at \esist of the 

 mature plants scale-like and appreaeecL ^'J' 3. Sabixa. 



1. THUJA L. A^feoE V^iTAE, White Cedab. 



Evergreen monoecious shrubs or trees. Leaves scale-like, 4-ranked, alter- 

 nately opposite, usually with a gland on the back. Staminate aments terminal, 

 solitary, nearly sessile between the leaves: anthers in 2 or 3 series, stalked; 

 anther-sacs 4; pistillate aments soUtary, terminal, ovoid or oblong; scales 2- 

 ranked in sevCTal smes. Cones oblong or ovoid, jJCTsistent; scales dry and flat. 

 S'ied.s flat, winged on both sides. 



1. T. plicata D. Don. A tree 45-50 m., sometimes 60 m. high, with a 

 'r^^ 1-3 m. in diameter: bark bright cinnamon; leaves of the leading shoots 

 ovate, long-j)ornted, glandular on the back. 6 mm. long, on the lateral branches 

 acute, 3 mm. long, with no or obscure glands; staminate flowers dark brown, 

 3 mm. long: cones reflexed. about 12 mm. long: scales eUiptic. 3-4 pairs. T. 

 ffigardtaysutx. Bottom lands : Alaska — Mont. — Ida. — ^n Calif. Submoni. — Mont. 



2. JU^'iPERUS Toum.) L. Jcxipeb. 



Dioecioas or monoecious shrubs or trees. Leaves in whorls of 3, subulate, 

 ascending or spreading, without glands on their back. Staminate aments axil- 

 lar}-, solitary.-; pollen-sacs several imder each scale. Pistillate ament of 2-3 

 series of fleshy scales; ovules solitary. Cone berr3.--Uke. Seeds wingless. 



Low sfarub with dq>ressed brantdies; leaves abruptly bent at the base, deeply channeled, 

 abruptly acute. 1. J- sibirica. 



Tree or erect shrub; leave straight or nearly so, shallowly channeled, gradually 

 acominate. 2. J. communis. 



1. J. sibirica Bur^d. Shrub seldom 5 dm. high, usually with decumbent 

 branches: bark dark red, scaly; leaves 5-12 cm. long, keeled, dark green below, 

 white above, ascending; fruit dark blue, with a bloom, 7-9 mm. in diameter; 

 seeds 1-3, ovate, acute, angled, about 3 mm. long. J. nana WiUd. High 

 mountains or dry open rocky places. Lab. — X. Y. — ^lich. — X.^L — Calif. — 

 Alaska. Suhalp. — Mont. 



2. J. cozmnunis L. An erect shrub or low tree sometimes 7-8 m. high; 

 bark d^^c red, scaly: leaves spreading, mostly straight, prickly-pointed, keeled, 

 1-2 cm. long, dark green on the lower side, white on the upper; fruit 6-7 mm. 

 in diameter, dark blue, 1-3-seeded: seeds ovate, acute, about 3 mm. long. Dry 

 hills: X.S.— X.J.— Pa.— w Xeb.— X.M.— B.C.; Eurasia. Submoni.— Plain. 



3. SABINA HaUer. Red Ced.^b, 



Evergreen monoecious or dioecious shrubs. Leaves alternately opposite or 

 in 3's. scale-like and appressed, or in young plants subulate and more spreading, 



