Juniperus CUPRESSACEAE-SAURURACEAE Saururus 



(R.M.67). Low spreading shrub; fr. IX. Introduced from southwestern and cen- 

 tral Europe to Siberia; locally in Ku. Planted, ornamental. 



B. ANGIOSPERMAE Angiosperms t^ fit#?H ( Pei Tzu Chih Wu 

 Men; Enclosed-seed Plant Subdivision) 



Flowering plants: seeds enclosed in an ovary which at maturity becomes the 

 fruit. 



a. DICOTYLEDONEAE Dicotyledons W=f-WU.^W\ (Shuan Tzu 

 Yeh Chih Wu Kang; Pair-seed-leaf Plant Class) 



Embryo of the seed with two cotyledons: leaves usually net-veined: parts of the 

 jloivers mostly in whorls of 4 or 5: stems showing a clear distinction of bark, wood 

 and pith; the wood forming annual layers. 



(1) ARCHICHLAMYDEAE (Choripetalae, Polypetalae) -£&&&% ( K « 

 Sheng Hua Pei Ch'ii; Archaic- perianth Subclass) 



Perianth none, or of a single whorl, or if of two whorls, the inner (corolla) of 

 separate petals. 



8. MONOCHLAMYDEAE (Apetalae) m&ttM (Tan Pei Hua Lei; 

 Single-perianth Flower Group) 



Perianth wanting, or of a single whorl regarded as the calyx. 



34. SAURURACEAE Lizard's Tail Family =&#:$} ( San Pai Ts<a0 K '°) 

 Erect perennial herbs with alternate cordate petiolate Ivs., growing in marshy 

 places: infl. subtended by one or more sho2vy white bracts: fls. bisexual, without 

 perianth, in spikes: stamens 3-7: carpels 3-4, united: fr. a capsule or berry. 3 

 genera with 4 species, 2 in eastern Asia and 2 in North America; 2 genera with 2 

 species in China. 



Key to the Genera 

 Fig. spike subtended by an involucre of 4-6 cream-colored petaloid bracts 1. Houttuynia 

 Fig. spikes without petaloid involucre, but with the subtending If. often 



variegated, or white, or cream-colored 2. Saururus 



1. Houttuynia Thunb. f&MM (Ch'i Ts'ai Shu) 

 Lvs. with sheathing stipules: fls. in dense terminal spikes subtended by a petaloid 

 involucre of 4-6 cream-colored bracts: stamens 3: carpels 3. One species, in eastern 

 Asia. (Named in honor of the Dutch physician and botanist, Houttuyn,) 



1. Houttuynia cordata Thunb. j§3£ (Ch'i Ts'ai) (Mak. F. 678). Erect herb, 1-10 

 dm. high; fls. white, VI- VII I; lvs. medicinal. Eastern Asia; locally in An., Che., 

 Hon., Ki., Ku. Marshy places. The name fH^ (Chu P'i Ku; Pig Thigh) is 

 applied to this herb in many Chinese markets where it is sold as a potherb. 

 Fig. 41. 



2. Saururus Linn. Lizard's Tail HS^JS (San Pai Ts'ao Shu) 

 Lvs. tvithout evident stipules: fls. crowded in slender terminal peduncled spikes: 

 subtended by white or variegated lvs.: stamens 6-7. 2 species, one in eastern Asia 

 and one in eastern North America. (Greek: saures, a lizard; zvAoura, tail, referring 

 to the appearance of the fig. spikes.) 



69 



