49 



STEECULIACEAE. 



Key to genera. 



1. Large tree 

 Shrub, herb or climber ... • , 



2. Petals 



Petals 5... 



3. Carpels dehiscing 



Carpels distinct, indehiscent ... 



4. Flowers in terminal corymbs ... 

 Flowers axillary, solitary or few 



5. Stem climbing ... 

 Stem erect 



6. Stamens united to the top, alternating 



with staminodes 

 Stamens 5, united at base only, stami 

 nodes 



7. Anthers in threes 

 Anthers single ... 



8. Plant glabrous or thinly pubescent .. 

 Plant densely tomentose 



2. 



5. 

 3. 



4. 



1. Sterculia. 



2. Heritiera. 



3. Reevesia. 



5. Pterospermum, 

 9. Buettneria. 



8. 

 8. Abroma. 

 4. Helicteres. 



6. Melochia. 



7. Waltheria. 



1.— STERCULIA. 



Key to species. 



1 . Leaves lanceolate 

 Leaves palmately lobed 



2. Calyx i cleft 



Calyx cleft nearly to the base 



2. 

 \. platanifolia. 



2. nobilis. 



3. lanceolata. 



1. S. platanifolia, Linn. ; Benth. Fl. Hongk. 36. At Hoktsui, 



Hongkong. Fl. yellowish green, June. 



2. S. nobilis, Smith ; Masters in Hook. f. Fl. Brit. Ind. i. 358. 



Hongkong without locality. Fl, red, May. 



3. S. lanceolata, Cav. ; Benth. Fl. Hongk. 36. Very common in 



Hongkong ; Lantao Island, Hongkong New Territory ; 

 river bank near Chaochaufu, Swatow ; Canton ; Macao. 

 Fl. pink, April. 



2.— HERITIERA. 



L H. littoralis, Ait. ; Benth. Fl. Hongk. 36. At Taitam Tuk on 

 the seashore, Hongkong ; Hongkong New Territory 

 without locality. Fl. brown, August. 



3.— REEVESIA. 



1. R. thyrsoidea, Lindl. ; Benth. Fl. Hongk. 37. Common in the 

 woods and on the hills, Hongkong ; Lantao Island, Hong- 

 kong New Territory ; Canton ; Macao. Fl. white, April. 



21515 D 



