Coronopus CRUCIFERAE Brassica 



often only 2 or 4: fr. somewhat compressed, thickish, wrinkled, separating at maturity 

 into tivo 1-seeded nutlets. 6 species, tropical and temperate regions; one in China. 

 (Greek: korax, a raven or crow; and pous, feet, because of the deeply cleft lvs.) 



1. Coronopus didymus (L.) Sm. (G.M. 703). Spreading herb; fls. and frs. green, 

 III— VII ; fr. separating into 2 wrinkled nutlets. Old World; locally in Ku. 

 Roadside weed. 



7. Rorippa Scop. Yellow Cress UtR/I^M (Jao Shui P'a Shu; 



Creeping-around-the-water Genus) 



Erect herbs with pinnate or pinnatifid lvs.: fls. usually yellow, rarely white, 

 with small nectariferous glands: fr. in the form of a short silique, or globular: seeds 

 numerous, turgid, marginless. (From Rorippen, the Saxon name for these plants.) 



Key to the Species 



Pods globose or slightly oblong, fls. yellow 1 . R. globosa 



Pods oblong or linear. 



Pods oblong, 5-6 mm. long: fls. white or greenish yellow 2. R. microsperma 



Pods linear, curved or ascending, 10-25 mm. long: fls. pale yellow . 3. R. montana 



1. Rorippa globosa (Turcz.) Thell. {Nasturtium cantoniense Hance) Iftfi^j^ (Yin 

 T'iao Ts'ai; Silver-shoot Vegetable) (BB AS 2:190). Erect herb, 0.5-1 m. high; 

 fls. yellow, V; fr. VI. Siberia, China; locally in Ku. Moist fields, 



2. Rorippa microsperma (DC.) L.H. Bailey {Nasturtium microspermum DC.) UH-ftl 

 3& (Hsi Tzu Han Ts'ai) (DC. P. 1:139; BBAS 2:191). Brg. herb, 5-15 cm. high; 

 fls. white or greenish yellow, IV; fr. V. China; locally in Ku. Weed. 



3. Rorippa montana (Wall, ex Benth.) Small {Nasturtium montanum Wall, ex 

 Benth.) %% (Han Ts'ai) (Sm. F. 2nd. 1336; BBAS 2:192). Spreading herb, 1- 

 5dm. high; fls. greenish yellow, V; fr. VI-VII; pods short, curved. Eastern 

 Asia; locally in KL, Ku. Moist places. Fig. 132. 



8. Brassica Linn. HHH (Yiin T'ai Shu) 



Erect herbs with pinnately cleft or divided lvs.: fls. yellow, petals with long 

 claws: fr. an elongated silique with a conical beak. About 100 species, in Eurasia 

 and North Africa; 20 or more in China: includes a number of valued vegetables such 

 as cabbage, cauliflower, kohlrabi and turnip, as well as mustard, rape and radish. 

 (Latin name of the cabbage.) 



Key to the Species 



Upper lvs. clasping the stem 1. B. rapa 



Upper lvs. scarcely or not at all clasping the stem 2. B. juncea 



1. Brassica rapa Linn. {B. campestris Linn.) Field Mustard JUt (Yiin T'ai) (G.M. 

 708). Erect herb, to lm.; fls. yellow, IV; fr. V. Introduced from Europe; 

 locally in An., Che., Ki., Ku. Roadside and field weed. Fig, 133. 



2. Brassica juncea (L.) Coss. Indian Mustard ft (Chieh) (G.M. 707). Erect slender 

 herb, to lm.; fls. bright yellow, IV; fr. V. Asia; locally in An., Che., Ki., Ku. 

 Cultivated and escaped. 



The following Brassica cultigens are among the many grown in the Lower 

 Yangtze Valley, but are not naturalized in this area: 



141 



