13. AURANTIACE J£ . 
71 
Seeds black beautifully scabrous with pale raised points, rounded 
at the back. 
f ffOrder XIII. ALB ANTI ACE^E. 
The Orange Family. 
FI. regular. Cal. urceolate or campanulate 3-5-toothed mar- 
cescent persistent. Pet. 3-5 or 8 imbricate in the bud. Stam. 
as many as or multiples of the pet., their hi. more or less com- 
bined in sets or free, flattened downwards ; anthers erect. 
Torus a fleshy hypogynous ring or disk to which the jfet. and 
stam. are affixed. Ov. 5-many-celled free surrounded by the 
annular torus ; style 1 ; stigma thick capitate. Fr. an orange, 
with a spongy often separable rind and 1-many-celled 1-many- 
seeded pulp composed of distinct separable juicy vesicles. Seeds 
affixed to the axis 1-many in each cell or carpel, without 
albumen; chalaza and raphe distinct. Embryo straight; cot. 
thick and fleshy 2-auricled at the base ; plumule distinct. — Trees 
or shrubs aboimding with aromatic fragrant volatile oil-glands. 
L. alternate pinnate, but often by abortion of the side-lfts. 
1-leaved. FI. generally white with thick fleshy pet. Fr. 
mostly edible. — The Aurantiacece form too marked a feature 
in the botanical aspect of Madeira to be here omitted. And 
having had constant and long-continued opportunities of ob- 
serving them growing in all the luxuriance of native pi., I 
have been enabled to form conclusions with some confidence as 
to the true limits of the sp. 
ttfl- Citrus. Cal. urceolate 3-5-toothed. Pet. 5-8. Stam. 
20-60, fil. flattened dilated downwards and more or less 
united or 1-polyadelphous. Fr. 7-12-celled, cells many- 
seeded vesicular-pulpy. Integument of seeds coriaceous. 
Cot. -with very short amides. — Petioles winged with a 
single terminal 1ft. 
ftfl. Citrus L. Orange and Lemon. 
ttfl. C. Medica L. Engl. Citron ; Port. Cidra (the tree, Ci- 
dreira ) ; Fr. Cedrat, Cedrot ; Ital. Cedro ; Sicil. Citru , 
Cedru. Germ. Zitrone, Citrone. 
Subarboreous armed or thorny ; branches stout firm rigid 
armed with long spines; petioles short thick simple or very 
narrowly marginate, 1. broadly oblong obtuse serrate and when 
young with the young shoots and fl.-buds purplish or violet; 
fl. many in a cluster ; fr. large more or less oblong with a very 
thick hard rind and pale pulp. — Lour. Fl. Ooch. ii. 465, var. 1 ; 
Brot. ii. 281, 2, var. 4; DC. i. 539; Presl 183; Kisso Hist. 
