Cotyledon CRASSULACEAE Sedum 



lense-Dahurica " (Bull. Soc. Nat. Moscow 17:241.1844) the name appears as a synonym under 

 Umbilicus fimbriates for which a good description is given. This description is accepted as 

 validating the combination Cotyledon fimbriata Turcz. 



2. Sedum Linn. Stonecrop j^^M (Ching T'ien Shu) 



Low, mostly glabrous, fleshy herbs: lvs. generally alternate: fls. in terminal, 

 often 1-sided cymes; corolla of separate petals. About 200 species, of temperate and 

 northern cold regions; 30 in China. (Latin: scdens, sitting, from the low habit of 

 many species of the genus.) 



Key to the Species 



a. Plants with moss-like habit, 4-6 cm. high 1. S. polytrichoides 



aa. Plants not moss-like, usually more than 6 cm. high, 

 b. Fls. white or greenish white, not yellow. 



Plant weak and decumbent: lvs. entire, pubescent 2. S. drymarioides 



Plant stout and erect: lvs. toothed, glabrous and glaucous. . 3. S. alboroseum 

 bb. Fls. yellow. 



c. Lvs. incised 4. S. aizoon 



cc. Lvs. entire. 



d. Lvs. spatulate. 



Lvs. narrowly spatulate, veined, rounded or obtuse 



at the tip 5. S. subtile 



Lvs. broadly spatulate, not veiny, rounded at the tip. 6. S. baileyi 

 dd. Lvs. lanceolate or linear. 



All the lvs. linear, 1-5 cm. long, obtuse, alternate.. 7. £. lineare 

 Lvs. or some of them lanceolate, acute and whorled. 



Fls. small, 6-8 mm. across 8. S. alfredii 



Fls. large, 10-12 mm. across 9. S. quaternatum 



1. Sedum polytrichoides Hemsl. (F.H.E. 23:286). Ascending herb, to 10cm.; fls. 

 yellow, VI. Northeastern Asia; locally in An., Ku. Rocky places. 



2. Sedum drymarioides Hance !k$k^L (Huo Yen Ts'ao; Fire-tongue Herb) (Fr. S. 

 2:40). Decumbent herb; fls. white, VII; lvs. broad, spatulate, pubescent. 

 Southeastern China, Formosa; locally in Che., Hon., Ki., Ku. Shaded banks in 

 the mountains. 



3. Sedum alboroseum Baker fr^i (Ching T'ien; Beautiful Day) (B.M. 460). Erect 

 succulent, to 8dm.; fls. greenish white, X. Japan, China; locally in Ku. Culti- 

 vated, ornamental. 



4. Sedum aizoon Linn. JmM^M (Hsi Yeh Fei Ts'ai) (G.M. 734). Erect succulent 

 herb, 1-4 dm. high; fls. yellow, VII. Northern Asia; locally in An., Hon., Hup., 

 Ki., Ku. Rocky outcrops. Fig. 140. 



5. Sedum subtile Maxim. MskJi (Hsi Ching T'ien; Delicate Sedum) (Mak. F. 502). 

 Weak succulent; fls. yellow, VI. Eastern Asia; locally in An., Ki., Ku. On 

 rocks. 



6. Sedum baileyi Praeger (B.G. 1:26). Weak succulent. China; locally in Che., 

 Ki. 



7. Sedum lineare Thunb. $;?#: (Fu Chia Ts'ao; Buddha's Scaly Herb) (Fr. S. 2:87). 

 Erect succulent herb, 5-15 cm. high; fls. yellow, VIII. Japan, southeastern China; 

 locally in Che., Ki., Ku. Shaded rocks. 



8. Sedum alfredii Hance MMM (Ma Shih Hsien; Horse-manure Amaranthus) (Fr. 



147 



