215 



1.— CHENOPODIUM. 



Key to species. 



1. Plant glandular ... ... ... 1. ambrosioides. 



Plant eglandular ... ... ... 2. 



2. Lower leaves entire ... ... ... 2. acuminatum. 



Lower leaves toothed ... ... ... 3. 



3. Leaves 3-lobed, middle lobe oblong ... Z. ficifolium. 

 Leaves triangular ... ... ... 4. album. 



1. C. ambrosioides, Linn.; Hook. f. .Fl. Brit. Ind. v. 4. A 



common roadside weed in Hongkong ; Kowloon, Hongkong 

 New Territory. Fl. green, July. 



2. C. acuminatum, tVilld.; Benth. Fl. Hongk. 282. In waste 



places, Hongkong ; Lantao Island, Hongkong New 

 Territory ; Swatow district ; Macao ; Pakhoi. Fl. green, 

 June. 



3. C. ficifolium. Smith ; DC. Prodr. xiii. ii. 65. Hahang, 



Hongkong New Territory ; Macao. Fl. green, January. 



4. C. album, Linn. ; Benth. Fl. Hongk. 282. In waste places, 



Hongkong ; Swatow district ; an abundant weed in culti- 

 vated ground. Canton. Fl. green, April. 



2.— SUAEDA. 



Key to species. 



Shrub ... ... ... ... ... 1. munoica. 



Herb ... ... ... ... ... 2. australis. 



\. S. monoica, Forsk. ; Hook. f. Fl. Brit. Ind. v. 13. Lantao 



Island, Hongkong New Territory ; Pakhoi. Fl. green, 



October. 

 2. S. australis, Moq. ; Benth. Fl. Hongk. 283. In salt marshes, 



Hongkong ; Plovers' Cove, Hongkong New Territory. 



Fl. green, December. 



3.— BASELLA. 



1. B. rubra, Linn. ; Benth. Fl. Hongk. 283. On the sides of 

 a pond (since filled in) in the Happy Valley, Hongkong ; 

 Pakhoi. Fl. pale red, March to October. 



* 



POLYGONACEAE. 



Key to genera. 



Fruiting perianth segments 6, unequal 2. Rumex. 

 Perianth segments 5, equal I. Polygonum. 



1.— POLYGONUM. 



Key to species. 



1. Leaves cuneate from a lanceolate or 



ovate blade ... ... ... 2. 



