44. rubiacEjE. 
383 
Order XLIV. RUBIACE^E. 
The Coffee and Madder Family. 
FI. mostly perfect regular. Cal. -tube united with the ov., 
limb superior mostly regular and 4-5-fid, rarely 2-3-6-fid or en- 
tire. Cor. regular infundibuliform or rotate, mostly 4-5- rarely 
3-6-8-fid. ^Estivation mostly valvate. Stam. free inserted 
on the throat or tube of cor. as many as and alternate with pet. 
Ov. inferior mostly 2-celled rarely more or only 1-celled; 
ovules in each cell 2 or many but mostly single erect. Styles 
2 united or distinct ; stigmas mostly 2. Fr. dry or fleshy (dru- 
paceous or baccate) mostly indehiscent often didymous and bi- 
partite. Alb. horny or fleshy large enclosing the straight em- 
bryo. — Herbs, shr. or tr. with often square jointed st, or 
branches. L. simple entire with a marginal nerve, opposite or 
sometimes whorled, mostly 2-stipulate. FI. mostly in cymes 
or panicles, sometimes in heads, distinct or connate. Fr. rarely 
edible, but roots as in the Madder {Rubio) or Ipecacuanha {Ce- 
phaelis , Psychotria ), bark as in the invaluable Chinchona, or 
horny albumen of seeds as in the Coffee-tr., sometime of 
worldwide celebrity. 
Suborder I. COFFEINyE. 
Ovules 1 rarely 2 in each cell of ovary. Fruit-cells 1- rarely 
2-seeded. 
tttTribel. COFFEE JE. 
The Coffee Tribe. 
Style single, stigmas 2, sometimes concrete or capitate. Fr. 
baccate or drupaceous 2-celled 2-seeded. Seeds convex at the 
back, flat on the inner side with a longitudinal groove in the 
middle. — St. rounded or compressed. L. opposite. 
tttl- Coffea. Cal. -tube very short not produced or per- 
sistent in fr., limb 4-5-toothed. Cor. funnel-shaped, limb 
4-5-partite, throat naked. Stigmas 2 linear. Berry or 
drupe umbilicate not crowned with the cal. 2-seeded, seeds 
enclosed in a membranous parcliment-like skin or endocarp. 
— Tr. or shr. with entire coriaceous 1. Stip. interpetio- 
lar binate entire. FI. axillary. 
Tribe II. A N T II OS PE It MEAL. 
FI. often imperfect polygamous. Styles 2 distinct ; stigmas 
elongate papilloso-pubescent or hairy. Fr. dry of 2 indehis- 
cent 1-seeded carpels or mericarps separating when ripe. — 
