54 
4.—AVERRHOA. 
1. A. Carambola, Linz.; Benth. Fl Hongk. 56. At Little Hong- 
kong ; Macao; Sanning; Lienchow River. Fl. pink, 
Jul 
y- 
5.—IMPATIENS. 
Key to species. 
pai 
1. Spur spiral ... ‘si aie 
Spur straight or curved 
. cochleata, 
ere Z2 
. 2. Leaves truncate at base, subsessile e. 2. chinensis. 
oe ie 
Leaves st: My HM -— 
3. Petioles his large glands 3. obesa. 
Petioles naked or with setaceous i glands 4 
4, Diara aera — SN 
Leaves crenate ... 5. plebeja 
5. Sepals minute; leaves deeply serrate... 4. Balsamina. 
Sepals } inch long ; leaves serrulate... 6. crassicornu. 
1. I. cochleata, Lour. ; Balsamita soe DC. Prodr. i. 666. 
Cultivated at Canton. Fl. r 
2. I. chinensis, Linn. ; Benth. Fl. Frogs 55. Ina swamp near 
haiwan Gap, Hongkong ; near Sanwai, Hongkong bes 
Territory ; stream near 'haochaufü, watow ; Horfung ; 
E) Lienchow River ; Lofoushan. Fl. ii 
er. 
8. L obesa, Mos f. in Nouv. Arch. Mus. Hist. Nat. Paris, 4° 
ser. x. 242,  Lienchow River. Fl. purple and yellow, 
gust. 
4. I. Balsamina, Linn. ; Hook. f. Fl. NK Ind. i. 453. Macao. 
Fl. white, pink or red, Summ 
bk pee Hemsl. Enum. Pl. China i 101. Lofoushan. Fl. 
&L crassicornu, Hook. VA ce in Hook. Ic. Pl. t. 2916. Mt. Pakwan, 
ar Canton. 
RUTACEAE, 
Key to genera. 
1. Ovary deeply 2-5-lobed, cells 2-ovulate 2. 
Ovary entire  ... di 
2. Leaves opposite SR PAG MET 
eaves alternate A e .. 2. Zanthoxylum. 
3. Leaves compound ; 5. 
Leaves simple ... see i e 4, 
4, Cells many-ovuled ©... ae, .. 10. Citrus. 
Cells 1-2-ovuled ~~... e Lu : 
5. Stamens 2-5 . ... i al =<- 9. Toddalia. 
ens 8-10 PEN dit ide 
.6. Petals valvate. us e v eg. Mictini 
Petals imbricate Hes Sum EN es 
