(JUPUE88US ARIZOX1CA. 201 



Cupressus arizonica. 



A tree usually 30 40 feet but occasionally 70 feet high with a 

 trunk 2 4 feet in diameter and horizontal branches forming a 

 narrow pyramidal or occasionally a broad flat head. Bark on old 

 trunks thin, dark red-brown and separating freely into long shreds 

 which often remain hanging on it for years ; on young trunks and on 

 the branches, breaking into large irregular scales which, in falling, 

 expose the bright red inner bark. Leaves ovate, acute, carinate and 

 eglandular, or occasionally glandular pitted on the back, pale glaucous 

 green, dying usually the second year. Staminatc flowers 0'25 inch 

 long, composed of six eight stamens with broadly ovate, acute, yellow 

 connectives. Strobiles sub-globose, about an inch in diameter on short 

 peduncles and with six eight scales furnished with stout, cylindrical, 

 pointed umbos. Seeds variable in shape, from oblong to nearly 

 triangular and furnished with thin narrow wings. Sargent, Silva of 

 North America, X. 105. 



Cupressus arizonica, Green in Bull. Torrey. Bot. Club, IX. 64 (1882). Watson 

 in Proceed. Amer. Acad. Sci. XVIII. 157 (1883). Masters in Gard. Chron. X. 

 ser. 3 (1891), p. 364 ; and Journ. R. Hort. Soc. XIV. 204. Lemmon, N.W. 

 Amer. Cone Bearers, 75. 



C. Benthami, var. arizonica. Masters in Journ. Linn. Soc. XXXI. 340. 



Cupressus arizonica is the latest addition to the genus ; it was 

 discovered by Professor Greene in 1880 in the neighbourhood of 

 Clifton in Arizona, and also on the mountain ranges north of Mount 

 Graham ; it is now known to be common on the mountains of 

 central Arizona at 5,000 to 8,000 feet elevation, in places forming 

 pure forests of considerable extent. 



Cupressus arizonica was introduced into British gardens in 1882 from 

 the Arnold Arboretum, near Boston, U.S.A. The young trees growing 

 in this country are of fastigiate or columnar habit with a lightish 

 green foliage ; they have up to the present time proved quite hardy 

 and are among the best of decorative Conifers for the lawn and 

 small gardens. 



Cupressus Benth amii. 



A tree of variable habit and dimensions according to situation and 

 environment. Branches spreading or deflexed, much ramified at the 

 extremity ; secondary branches covered with smooth, dark chestnut- 

 brown bark. Branchlets distichous, opposite or alternate and pimiately 

 ramified, the youngest growths equidistant and parallel. Leaves 

 dimorphic, on the axial growths ovate, acuminate, glandular, adnate at 

 the base, free at the apex, becoming effete in the third year ; on the 

 lateral branchiets smaller, scale-like, deltoid - ovate, appressed and 

 imbricated, bright green. Staminate flowers with six anthers in decussate 

 pairs. Strobiles solitary or in clusters of two three or more, shortly 

 pedunculate, globose, about 0'75 inch in diameter, composed of eight 

 rhomboidal scales each with a small umbo projecting from the centre. 



