8 KEY, BASED UPON FLOWERS. 



Smaller, bluish, with resinous flesh, leaves 



Ternate, ciliate-dejiticulate, seeds 2-3 168. J. OCCIDENTALIS. 



Binate, entire, seeB 1-4 25. J. VIRGESIANUS. 



c*. Valvate, thick and only one pair fertile 141. LIBOCEDRUS DECURRENS. 



c 3 . Peltate, with edges joined, cones 

 (I. Subglobose ; flowers monoecious ; cones dehiscent 

 e. Along the edges of the persistent scales, 



Small, Hn. in diameter, maturing 1st year (Chamcecyparis) 



74. C. THYOIDEP. 

 Larger, maturing the second year (Cupressus) 



$ to nearly 1 in. long ; branchlets slender 66. C. GOVENIANA. 



1 to 1| in. long ; branchlets stout 195. C MACROCARPA. 



e 2 . Scales breaking apart irregularly and 15-20 in number. 



119. TAXODIUM DISTICHUM. 



cV. Ovoid-oblong, scales diverging at right angles to axis and rhomboidal at 

 apex ; cones 



2-3 in. long 142. SEQUOIA GIGANTEA. 



1 in. or less 143. SEQUOIA SEMPERVIRENS. 



ft 3 . Differentiated into a fleshy covering or cup, with single erect seed. 

 c. With fleshy covering (drupe-like), sessile and 



1 in. or slightly more long 120. TORREYA TAXIFOLIA. 



About H in. long 145. TORREYA CALIFORNICA. 



c 2 . Subtended by a red fleshy cup 144. TAXUS BREVIFOLIA. 



ENDOGENOUS PLANTS those having stems in which the wood forms in wire- 

 like bundles, generally a single cotyledon and 

 leaves parallel veined; ovary superior ; perianth 

 corolla-like ; flowers 

 Not on a spadix ; ovules 2 or more (Liliacece). 



175. YUCCA ARBORESCENS. 



On a spadix ; ovules solitary (Palmce) ; leaves flabel- 

 late, filiferous and alluuien entire (Washmgtonia). 



200. W. FILAMENTOSA. 



