II. SPERMATOPHYTA Seed Plants mF&fe%)% 

 (Chung Tzii Chih Wu Pa ; Seed Plant Division) 



Normally reproducing by seeds which contain an embryo, or young plant. (Greek: 

 sperma, seed; and phyton, plant.) 



A. GYMNOSPERMAE Gymnosperms 1f ^fit#rH (Lo Tzu Chih 

 Wu Men; Naked-seed Plant Subdivision) 



Trees and shrubs in which the seeds are not enclosed in an ovary, but are borne 

 exposed on the ovulate scales (sporophylls). (Greek: gymnos, naked; and sperma, 

 seed.) 



26. CYCADACEAE Cycas Family BMPt (Su T'ieh K'o) 



Palm-like plants with pinnately compound Ivs. which are circinate, unfolding like 

 those of a fern: stamens and seeds borne terminally in cones or crown-like clusters. 

 9 genera and about 85 species, representing a much larger number of earlier geologic 

 ages; now remaining in tropical and subtropical regions; one genus with 2 or 3 

 species in China. 



1. Cycas Linn. M§kM (Su T'ieh Shu) 



Dioecious plants with lvs. pinnately divided into narrow segments: Ifts. ?vith 

 midrib and circinate vernation: stamina te infl. an erect terminal cone; the ovulate a 

 spreading cluster of seed-bearing lvs. About 16 species, in tropical Asia, Australia 

 and Polynesia; 2 or 3 cultivated in China. (The Greek name for a palm tree.) 



1. Cycas revoluta Thunb. Hg£ (Su T'ieh; Reviving Iron) (B.M. 98). Tree to 3 m.; 

 fls. VII. Japan, Formosa, southern China; locally in Ku. Often planted as an 

 ornamental. Fig. 31. 



27. GINKGO ACEAE Ginkgo Family Wt^Pc (Yin Hsing K'o) 



A large ultimately deliquescent tree with fan-shaped parallel- veined deciduous 

 lvs.: dioecious: stamens in catkin-like strobili; the ovules on long stalks and usually 

 in pairs: the drupe-like seed with a fleshy outer coat and a bony inner one. One 

 genus, in China and Japan, but not now known to occur wild. 



1. Ginkgo Linn. iH?M (Yin Hsing Shu) 



Characters of the family. One species. (Ginkgo: the Japanese pronunciation of 

 the Chinese name.) 



1. Ginkgo biloba Linn. Maidenhair Tree $Ii§- (Yin Hsing; Silver Apricot. ^|^ 

 Pai Kuo; White Fruit) (R.M.I). Tree, to 40 m.; fls. IV; fr. yellowish, plum- 

 like, VIII. Eastern Asia; locally in An., Che., Ki., Ku. Ornamental shade tree. 

 Fig. 32. 



28. TAXACEAE Yew Family %1&& (Tzu Shan K'o) 

 Trees or shrubs with resinous bark and needle- or scale-like evergreen lvs.: 

 stamens solitary, or in small axillary spikes; ovules scattered, terminal, surrounded 

 by imbricated scales: fr. berry-or drupe-like; the seed bony-coated, partly or entirely 



59 



