35 8 Appendix. 



slightly winged. Var. b. Amblycarpa, Hsskl. Djeroek 

 liemoh (Arbor). 



Fruit with a depressed extremity ; leaves rather 

 obtuse, petioles almost naked. 



Citrus nobilis, Lour. 



Petioles almost naked, or slightly winged ; leaves 

 ovate oblong, or elliptic, and rather obtuse, serrato- 

 crenate ; flowers with twenty stamens ; fruit depressed- 

 globose, skin very thick and easily separated, pulp 

 golden-yellow, juice very abundant and very pleasant 

 fruitful. 



Var. a. clirysocarpa, Hsskl. Djeroek djoplok. 



Leaves narrowed at the base and apex, rather obtuse 

 or emarginate, petioles generally almost naked ; skin of 

 fruit greenish golden-yellow. 



Var. b. melaaocarpa, Hsskl. Djeroek hiedung (meaning 

 black). 



Leaves with an obtuse base, often with a bifid or 

 emarginate apex ; mature fruit dark green. (Probably 

 the green orange of Ceylon E. B.) 



Var. c. microcarpa, Hsskl. Djeroek djepoen leutiek. 



Leaves with an acute base, and apex either acute, 

 obtuse, or rounded ; petioles almost naked ; mature fruit 

 smaller by half, skin greenish-yellow. (Citrus japonicus, 

 Thub. Sbld. Zee. Fl. Jap. I. 35, t. 15.) 



Var. a., with globose fruit 1. c. f. II. Kinkan Japan 

 (small tree). 



Var. b., with elliptic fruit,!, c. f. III., Tookinkan Japon 

 (small tree). 



Citrus pyriformis, Hsskl. Djeroek pandjang (meaning long). 

 Petioles slightly winged, leaves elliptic or ovate-elliptic, 

 acute at both ends, or rather obtuse, edges curved back- 

 wards, crenate ; flowers with twenty-four to thirty sta- 

 mens ; fruit pyriform (or obversely oviform, with atten- 

 uated base) ; skin rather thick, pulp citrine and very 

 pleasant ; petals white on both sides ; branches with 

 large or minute spines. 



Citrus aurantium, Risso, DC. Prdr. I., 539. Bl. Bijdr. 140, 



