Cephalotaxus CEPHALOTAXACEAE-PINACEAE Pinus 



two ranks, ivith 2 whitish stomatiferons bands beneath broader than the 3 green 

 lines: stamens in axillary short-stalked heads or spikes; anthers 3-celled: ovules in 

 axillary short-stalked pairs: fr. drupe-like. 2 genera with 6 species, in Asia; both 

 genera with 4 species in China. 



1. Cephalotaxus Sieb. & Zucc. H^t^M (San Chien Shan Shu) 



Lvs. with two glaucous bands beneath which are broader than the three green 

 lines: ovules in clusters of several pairs: seed drupe-like, about 2cm. long, ripening 

 the second season. 5 species, in Asia; 3 in China. (Greek: kephale, head; and 

 taxus.) 



Key to the Species 



Lvs. 2-4.5 cm. long, abruptly pointed, in semi-erect ranks 1. C. drupacea 



Lvs. 5-8 cm. long, gradually tapering to a point, in nearly horizontal 



spreading ranks 2. C. fortuni 



1. Cephalotaxus drupacea Sieb. & Zucc. var. sinensis Rehd. & Wils. f|S0f_lJH (O 

 Hsi Ts'u Fei; Western Hupeh Coarse Tumion) (R.M.5). Tree, to 10m.; fls. IV; 

 fr. IX. Central and western China; locally in An., Che., Ki. Forest shade. 



2. Cephalotaxus fortuni Hook. Fortune's Plum Yew H^t^ (San Chien Shan; 

 Three-pointed Fir) (R.M.6). Tree, to 10m.; fls. IV; fr. IX. Central China; 

 locally in An., Che., Ki., Ku. Moist shaded forest. 



31. PINACEAE Pine Family feft^f (Sung Pai K'o; Pine-Cedar Family) 



Resinous excurrent trees or shrubs: lvs. solitary or fascicled, needle-like, mostly 

 evergreen (deciduous in Larix and Pseudolarix): plants usually monoecious: stamens 

 and ovules in cones; anthers 2-celled; ovulate scales 2-ovuled: seeds generally winged 

 and borne on the scales of woody cones. 9 genera with about 200 species, widely 

 distributed; 8 genera with 60 species in China. 



Key to the Genera 



A. Leaves deciduous 1. Pseudolarix 



AA. Leaves evergreen. 



B. Leaves fascicled, needle-like. 



Leaves 2-5 in each fascicle 2. Pinus 



Leaves 10 or more in each fascicle, or alternate 3. Cedrus 



BB. Leaves spirally arranged; scales of fertile cones imbricate, not 

 thickened at the tips. 



Cones small, 1.5-2.5 cm. long, without protruding bracts 4. Tsuga 



Cones larger, about 5 cm. long, with sharply-pointed protruding 



bracts 5. Pseudotsuga 



1. Pseudolarix Gord. Golden Larch &$^t£M (Chin Ch'ien Sung Shu) 



Deciduous tree: lvs. linear, scattered or in whorls on short spurs: cones ovoid, 

 6-8 cm. long. One species, in eastern China. (Greek: pseudos, false; and larix.) 



1. Pseudolarix amabilis (Nels.) Rehd. &$k%t, (Chin Ch'ien Sung; Golden Coin Pine) 

 (R.M.31). Tree, to 40m.; fls. IV; fr. VIII. Eastern China; locally in An., Che., 

 Ki., Ku. Planted, ornamental. Fig. 35. 



2. Pinus Linn. Pine ti)M (Sung Shu) 

 Evergreen trees: lvs. of two kinds, the primary scale-like and deciduous, bearing 



62 



