ENUMERATION OF CONIFERS 



237 



of years. As usually seen in cultivation, it is a handsome narrow- pyramidal 

 tree clothed to the ground with short and slender upcurved branches, but in 

 mature specimens the trunk is clear of limbs up to 80 to 200 feet. It is the 

 most massive of all trees, although exceeded Ln girth by a few others, notably 

 the African baobab. In nature it reproduces only by seeds and does not 

 make stump-sprouts as the preceding species. 



Var. pendula, Lav. Weeping Giant Sequoia. A form in which the 

 branches are strongly recurved, closely covermg the stem and producing u 

 narrow cylindric effect similar to that of Italian cA'press. 



There is a form with bluish foliage, var. glauca, Otto, Blue Giant 

 Sequoia, and a form with yellow foliage, var. aurea, Nichols; also insig- 

 nificant variegated forms. 



14. TAIWANIA, Hayata. TAIWANIA 



Evergreen tree: leaves dimorphic, alternate, subulate, falcate, 4-angled. 

 or on fruiting branches scale-like, imbricate, incurved: scales of pistillate 

 flowers with 2 reversed ovules: cones terminal, subglobose, with many spirally 

 arranged imbricate scales subtended by 

 minute bracts; scales obovate, cuneate at 

 base, mucronate, thin, each with 2 narrowly 

 winged seeds; cotyledons 2. (Name from 

 Taiwan, the Chinese name of Formosa.) — 

 One species in Formosa 

 and western China. 



T. cryptomerioides, 

 Hayata. Fig. 58. Tree 

 to 200 feet high with a 

 tall clean trunk sometimes 

 30 feet in girth and clean to 

 the height of 100 or 150 feet, 

 with short branches forming a 

 small crown; young plants 

 with ascending branches and 

 pendulous branchlets: leaves 

 of sterile branches linear-subu- 

 late, pungent, incurved-falcate, 

 keeled on the ventral and 

 dorsal side, about 3^ inch long, 

 those of fertile branches tri- 

 angular, imbricate, obtusish 58. Taiwania cryptomerioides. Fruiting branch with 

 or acutish, about j/g"! "it;h adult foliage and branchlet with juvenile foliage. 



