460 MANUAL OF NATURAL HISTORY. 



celled ; seeds numerous, naked. Distribution 

 general. 



3. Family. — Marcgraaviads (Marcgraaviaceae). Trees 



or shrubs ; leaves alternate, exstipulate ; 

 flowers in umbels, racemes, or terminal spikes, 

 usually bracteate ; sepals 2-7, persistent ; co- 

 rolla of five petals, or gamopetalous ; filaments 

 dilated at the base ; anthers versatile ; ovary 

 1- or many -celled; style single; stigmas 

 simple ; fruit succulent, capsular, or coria- 

 ceous, dehiscent or indehiscent ; seeds numer- 

 ous, minute. Natives of Equinoctial America ; 

 a doubtful genus (Antholoma), is found in 

 New Caledonia. 



4. Family. — Gamboges (Clusiacese). Trees or shrubs ; 



juice resinous ; leaves opposite, exstipulate ; 

 flowers axillary or terminal, articulated with 

 the peduncle, occasionally unisexual, white, 

 pink, or red ; sepals 2-5-6-8, usually persis- 

 tent, often unequal ; petals equals to, or a 

 multiple of, the sepals ; stamens rarely defi- 

 nite; anthers adnate, beakless ; ovary 1- or 

 many-celled ; ovules orthotropal or anatropal ; 

 style none or very short ; stigmas sessile or 

 nearly so, radiate ; fruit dry or fleshy, dehis- 

 cent or indehiscent ; seeds definite. Natives 

 of tropical countries, principally South Ame- 

 rica. The principal products of this family 

 are the various kinds of Gamboge, yielded by 

 species oiHebradendron and Garcinia. (Gut- 

 tiferce, Juss.) 



