Achillea COMPOSITAE Chrysvnthemum 



VII. Anthemideae Anthemis Tribe M^M^^iM 

 (Lo Ma Chia Mi Lieh Tsu) 



Shrubs or herbs with mostly alternate often pinnate lvs. and radiate or discoid 

 heads; bracts of the involucre mostly scarious and overlapping; receptacle chaffy or 

 not: style brs. usually truncate: pappus a short crown or nunc. 50 genera, widely 

 distributed. 



29. Achillea Linn. Yarrow ^IH (Shih Shu) 



Herbs, mostly perennial, with erect Ify. stems: lvs. alternate (or basal), finely 

 pinnatisect: heads small, ovoid or campanulate, numerous, radiate, in crowded terminal 

 corymbs; involucres ovoid or campanulate; bracts with scarious margins, imbricated 

 in several series; the outer shorter; receptacle chaffy: achenes flattened ; pappus none. 

 75 species, in the northern hemisphere; 3 or more in China. (Named for Achilles, 

 who was said to have discovered its healing powers.) 



1. Achillea millefolium Linn. (B.M.1515). Erect herb, 4-8 dm. high; fls. white, VI. 

 Eurasia; locally in Che., Ku. Naturalized weed. 



30. Chrysanthemum Linn. HH (Chii Shu) 



Erect annual or perennial herbs with alternate dentate, incised or dissected lvs. 

 and large peduncled radiate heads; involucres hemispherical; bracts with scarious 

 margin, in several series; receptacle naked: rays white, yellow or various shades of 

 red and purple: pappus none or a scaly cup. 150 species, in the northern hemisphere; 

 10 in China. (Greek: chrysos, gold, and anthemom, flower.) 



Key to the Species 



a. A wild plant or weed: rays yellow: heads 1.5-2. 5cm. in diam... 1. C. indicum 

 aa. Cultivated plants: heads 3cm. or more in diam. 



b. Rays usually not conspicuously doubled: heads 3-4 cm. in diam. 

 c. Rays not yellow. 



d. Lvs. coarsely toothed, spatulate: rays white 2. C. maximum 



dd. Lvs. pinnatifid. 



e. Foliage grayish, densely appressed-pubescent: 



rays white and showy 3. C. cinerariae folium 



ee. Foliage green, essentially glabrous: rays white, 



pink, lilac, crimson or dark red 4. C. coccineum 



cc. Rays yellow or yellowish white: cultivated as annuals 



for ornament 5 . C. coronarium 



var. spatiosum 

 bb. Rays conspicuously doubled: the autumn chrysanthemum of 



florists and gardeners: heads 6-10 cm. in diam 6. C. morifolium 



1. Chrysanthemum indicum Linn. W?M (Yeh Chii; Wild Chrysanthemum) (M.F. 474). 



Ascending perennial herb, to lm.; fls. yellow, VII-XI. China, Japan; locally in 



An., Ki., Ku. Roadsides, grassland. Fig. 387. 

 la. Chrysanthemum indicum Linn. var. lushanense (Kitam.) Hand.-Mazz. (C. lushan- 



ense Kitam.) (J. J. B. 13: 163). Lvs. and involucre white-lanate. Locally in Ki., Ku. 

 lb. Chrysanthemum indicum Linn. var. procumbens (Lour.) Nakai (C prociimbens 



Lour.)* (J. J. B. 19:344). Brs. purple, procumbent, flexible. Locally in Che., Hon., Ku. 



406 



