Youngia COMPOSITAE-TYPHACEAE Typha 



3 to 5, on one stem, very small, linear or bract-like: 



anther tube 1.75-4 mm. long. 



Involucre 4-5 mm. long: corolla 4.5-6 mm. long 1. Y. japonica ssp. japonica 



Involucre 6-7 mm. long: corolla 8-10 mm. long la. Y. japonica ssp. longiflora 



Cauline lvs. very gradually reduced, all but a few bracts 

 in the infl. conspicuous, pinnatifid, petiolate: anther tube 

 .75-1 mm. long lb . Y. japonica. ssp. elstonii 



1. Youngia japonica (L.) DC. ssp. japonica (Crepis japonica (L.) Benth.) MWiiM 



(Huang An Ts'ai; Yellow-quail Vegetable) (G.M.1559). Weedy herb, to lm.; fls. 



yellow, IV-VII. Eastern hemisphere; locally in Che., Hun., Ku. Waste places. 



Fig. 393. 

 la. Youngia japonica (L.) DC. ssp. longiflora Babe. & Stebbins (Bab. & Steb. Y. 97). 



3-9 dm. high; fls. yellow, IV. Southeastern China; locally in Che., Hun., Hup., 



Ku. Waste places. 

 lb. Youngia japonica (L.) DC. ssp. elstonii (Hochr.) Babe. & Stebbins (Bab. & Steb. 



Y.98). Tolm. high; fls. yellow, IV-V. Southeastern China; locally in Che., 



Ku. Waste places. 



b. MONOCOTYLEDONEAE Monocotyledons iftTHW^M 

 (Tan Tzu Yeh Chih Wu Lei) 

 Embryo of the seed with one cotyledon: lvs. usually parallel-veined: parts of the 

 fls. mostly in 3's or 6's: stems without annual layers or clear distinction of bark, 

 wood and pith, the woody fibers scattered through the softer tissue. 



170. TYPHACEAE Cat-Tail Family §?!$■ (Hsiang P'u K'o) 

 Erect perennial monoecious marsh herbs of grass-like habit, with unbranched stems 

 from creeping rootstocks, and with simple sessile linear entire lvs.: fls. small, densely 

 crowded in long cylindric terminal spikes, the staminate above the pistillate; perianth 

 of club-shaped hairs, or none in some staminate fls.; stamens one or more; ovary 

 small, one-celled, on a slender stipe: fr. very small, one-seeded, buried in the copious 

 hairy down. Only the following genus. 



1. Typha Linn. Cat Tail WMM (Hsiang P'u Shu; Fragrant Rush Genus) 

 Characters of the family. 15 species, in all parts of the world; 8 in China. (The 

 old Greek name.) 



Key to the Species 



Staminate and pistillate parts of the spike usually separated by a short 

 interval: pistillate fls. usually with a hair-like bractlet; tip of bractlet 

 blunt and dilated 1 ■ T. amgvatifdUa 



Staminate and pistillate parts of the spike contiguous: pistillate fls. 

 ebracteolate 2 - T - orientalis 



1. Typha angustifolia Linn. M^ (P'u Ts'ao; Rush) (G.M.61). Slender herb, to 

 4m.; fls. VI-VII; fr. VIII-IX. Eurasia, America; locally in An., Ku. Swamps 

 and pond margins. Fig. 394. 



2. Typha orientalis Presl (E.P.IV.8:10). Erect herb, to 2m.; fls. VI-VII; fr. VIII- 

 IX. China, Japan, Philippines; locally in An., Ki. Swamps and pond margins. 



422 



