e251 
2.—ENGELHARDTIA. 
1, E. Wallichiana, Lindl. ; Hook. Fl. Brit. Ind. v. 596. Happy 
Masi E € NE and Little Hongkong woods, Hong- 
kon ellow, June. 
S.—PLATYCARY A. 
l. P. strobilacea, Sieb. et Zucc. ; DC. Prodr. xvi. r1. 145. Lien- 
chow River. : Fl. March. 
MYRICACEAE. 
1.—MY RICA. 
l. M. rubra, Sieb. et Zucc. ; Benth. Fl. Hongk. 322. Mt. Victoria, 
Mt. Kellet and Mt. Parker south, Hongkong ; common 
on the hills near Yit-hai, Swatow ; Canton? Fl. yellow, 
March. 
AMENTACEAE. 
Key to genera. 
l. Fruit a catkin of many small CAMPI, 3. “are 
Fruit of one or more large nu 
2. Pericarp smooth or unarmed . PORRE ^ ones 
Pericarp prickly ids one -. 2. Castanopsis. 
. 1.-QUEROCUS. 
Key to species. 
l. Cup enclosing aco 
Cup not enclosing acorn 5 
2. Leaves over 6 inches lo 19. 
Leaves under 6 inches E T entire or 
undulate 3. 
3. Cup with concentric rings ui idt Ds 
Cup scaly 
4. Leaves silvery, ve veins prominent "beneath — 3. asi 
Leaves green beneath, veins not raised i sal ii 
5. Cup attached to acorn at base only 
Cup Sacha to bottom and eril of í 
aco j 
6. Lie duhi . à. cornea. 
Leaves pubescent *. n UT $. pui im 
7. Cup with concentric zones Zi : 
aly : 2 15: 
8. Leaves glabrous - Sis i bie 9. 
Leaves pubescent ae e el. Championi. 
9. Leaves linear-oblong ... dis .. B. salicina, 
Leaves lanceolate: ... Te iie 10. 
