191 



S3.— SIPHONOSTEGIA. 



1. S. chinensis, Benth. ; DC. Prodr. x. 538. Mt. Davis and 

 Little Hongkong, Hongkong ; Lantao Island, Hongkong 

 New Territory ; Kwangtung, various localities. Fl. 

 yellow, June. 



84.— MONOCHASMA. 



1. M. monantha, Hemsl. Enum. PI. China, ii. 203. North River 

 Fl. white, March. 



25.— PHTHEIROSPERMUM. 



1. P. chinensis, Bunge ; DC. Prodr. x. .539. Kwangtung with- 

 out locality. Fl. rose-coloured, August. 



OROBANCHACEAE. " 



1.— AEGINETIA. 



1. A. indica, Roxb. ; Benth. Fl. Hongk. 257. On Victoria Peak 

 and elsewhere, parasitic on Rhodododendron, Gleichenia and 

 ^irass roots, Hongkong; Lanfa Mt., Hoifung ; Lienchow 

 River ; Lofoushan. Fl. white outside and dark purple 

 inside, August. 



LENTIBULARIACEAE. 



1.— UTRICULARIA. 

 Key to species. 



1. Floating plant ... 

 Marsh plant 



2. Corolla i inch a jross ... 

 Corolla ^ inch across ... 



3. Leaves linear, absent in flower 

 Leaves orbicular, persistent ... 



4. Scales fixed by base 

 Scales fixed by the centre 



5. Flowers blue ; fruiting pedicels erect.. 

 Flowers yellow ; fruiting pedicels 



recurved 



6. Corolla spur slender, equal to lower lip 

 Corolla spur conical, much shorter than 



lower lip ... ... ... ... 7. Harlandi. 



1. U. flexuosa, Vahl ; Benth. Fl. Hongk. 255. In small streams 

 and ponds, Hongkong ; in ponds at Kowloon, Sanwai and 

 elsewhere, Hongkong New Territory; Swatow ; Whampoa; 

 common in stagnant pools. Canton ; North River. Fl. 

 yellow, October. 



^, U. diantha, Roem. et Schult. ; Benth. 1. c. 256. In small streams, 

 Hongkong. Fl, yellow, July — Noveijiber, 



