ENUMERATION OF CONIFERS 



209 



Var. Crippsii, Gord. Cripps C. A juvenile form with rigid short branclilets 

 and spreading sharp-pointed leaves; the tips of young branclilets silvery- 

 white. 



3. C. Macnabiana, Murray (C. glandulosa. Hook. C. BaJceri, Jeps. C. 

 nevadensis, Abrams). Macnab C. Fig. 33. Shrub with several stems, or 

 small tree to 20 feet, forming a dense pyramidal 

 head; bark dark reddish-brown, thin, broken into 

 ridges and separating into slightly attached seal 

 leaves ovate, obtuse, thickened at the apex, con- 

 spicuously resinous-glandular, dark green or 

 glaucous: cones short-oblong, 3//_i inch high, 

 dark red-brown, often glaucous; scales usually 6, 

 with prominent conical and curved bosses 

 on the back. California and southern 

 Oregon. — Introduced to England in 1854 

 by Wm. Murray. This is apparently the 

 hardiest species of the genus; plants raised 

 from seed from the northern limit of its 

 range have survived the last two winters 

 out-of-doors in the Arnold Arboretum. 



Var. sulphurea, Berckmans. Branclilets 

 with golden tips. 



4. C. Goveniana, Gord. (C. calif ornica, Carr.). 

 GowEN C. Tree to 50, rarely to 75 feet tall, with 

 slender, erect or spreading branches, forming a 

 broad, open or pyramidal head; bark bright 

 reddish-brown, separating into thin thread-like 

 scales; branchlets slender: leaves ovate, acute, closely appressed, incon- 

 spicuously glandular: abundant staminate flowers in spring: cones sub- 

 globose or short-oblong, J^-^4 inch across; scales 6-8, with short blunt 

 bosses; seed brown or nearly black. California. — Introduced in 1846 to 

 England by T. Hartweg. 



Var. pygmaea, Lemm. (C. -pygmoea, Sarg.). Low shrub: cones smaller, 

 with small black seeds. Mendocino County. 



Var. Sargentii, Henry {C. Sargcntii, Jeps.). Shrub or small tree to 15 feet 

 tall: leaves with a small glandular pit on back: cones globose, often congested, 

 ^-| inch across, with reddish-brown often glaucous seeds. Middle and 

 southern California. 



5. C. guadalupensis, Wats. (C. macrocarpa var. guadalupensis. Mast.). 

 Guadalupe C. Wide-spreading tree, 40 feet high or more; bark grayish- 

 brown, lustrous, exfoliating, brownish-red below; branchlets drooping, 

 slender: leaves bluish-green, scentless, acute or acutish, obscurely glandular: 



. Cupressus 

 Macnabiana. 



