118 



15.— PEUOEDANUM. 



Key to species. 



Leaf segments finely and regularly 



serrate, decurrent ... ... ... 1. decursivum. 



Leaf segments irregularly incise-serrate, 



hardly decurrent ... ... ... 2. terebinthaceum. 



1. P. decursivum, Maxim, in Mel. Biol. xii. 472. Lantao Island, 



Hongkong New Territory ; North River ? Fl. white, 

 October. 



2. P. terebinthaceum, Fisch. ; Ledeb. Fl. Ross. ii. 314. Lienchow 



River. Fl. white, August. 



16.— TORILIS. 



1. T. Anthriscus, Gmel. ; Clarke in Hook. f. Fl. Brit. Ind. ii. 718. 

 Margins of rice fields and waste ground near Canton ; 

 West River. Fl. white. May. 



17.— OORIANDRUM. 



1. C. sativum, Linn. ; Hook. f. Fl. Brit. Ind. ii. 717. 

 Hongkong ? Fl. white, . 



Casual in 



ARALIACEAE. 



Key to genera. 



1. Leaves simple ... 



Leaves digitate or bipinnate ... 



2. Leaves digitate ... 

 Leaves bipinnate 



3. Leaflets 3-5 ; thorny shrub ... 

 Leaflets 7 or more ; unarmed tree 



4. Climber ... 



Tree 



5. Leaflets glabrous 

 Leaflets downy or spiny 



3. 

 5. 



2. Acanthopanax. 



3. Heptapleurum. 

 6. Hedera. 



4. Dendropanax. 



5. Heteropanax. 

 1. Aralia. 



1.— ARALIA. 



Key to species. 



Fruit nearly sessile 



Fruit much shorter than pedicel 



1. dasyphylla. 



2, spinosa. 



1. 



2. 



A. dasyphylla, Miq. in Ann. Mus. Bot. Lugd.-Bat. i. 9. At 

 Taipo, Hongkong New Territory; Kwaisin, Hoifung ; 

 Lofoushan. Fl. white, September. 



A. apinosa, Linn. ; A. chinensis, Linn. ; Benth. Fl. Hongk. 135. 

 In the Happy Valley woods and on Mt. Gough, Hong- 

 kong ; at Hopuilok, Hongkong New Territory ; neair Yit- 

 hai village, Han River ; Macao. Fl. white, September. 



