BOTANY. 141 



Trihe 1. OperculariecB. Flowers close pressed in a capitulum, in which 

 they are united by their unilocular one-seeded ovaries. Fruit dehiscent. 

 Herbs or undershrubs of Australia. Example : Pomax. 



Tribe 2. Galiece, or StellatcB. Ovary with two one-seeded cells. Carpels 

 indehiscent, dry or fleshy, separating from each other at maturity. Whorls 

 of straight leaves, of which two opposite ones alone carry buds in their 

 axils, the others perhaps transformed stipules. Herbs or undershrubs of 

 temperate and cold climates. Examples : *Galium, Rubia. 



Trihe 3. Anthospermce. Flowers distinct. Ovary with two one-seeded 

 cells. Carpels indehiscent, dry, separating at maturity. Stipules small, 

 petiolar. Herbs or undershrubs of the Cape, of the Canaries, very rarely 

 of Australia. Example : Anthospermum. 



Tj-ibe 4. Spermacocece. Flowers distinct. Ovaries of two to four cells, 

 one- to two-seeded. Carpels dry or fleshy, never loculicidal, dehiscent or 

 not. ^Estivation of the corolla valvate. Stipules membranaceous at the base, 

 usually with several bristles at the apex. Sub-tribe 1. Euspermacocece. 

 Examples : *Spermacoce, *Borreria, *Diodia. Sub-tribe 2. PutoriecB. 

 Example : *Ernodia. Sub-tribe 3. Cephalanthece. Example : *Cephalanthus. 



T7'ibe 5. Psycotriece. Flowers distinct. Ovary of two one-seeded cells. 

 Fruit fleshy, with two nucules. Perisperm horny. Stipules interpetiolar, 

 distinct or connate. Trees or shrubs of tropical or juxtatropical regions, 

 especially American. Examples : *Chiococca, *Psycotria, Coffea. 



Tribe 6. PasderiecB. Flowers distinct. Ovary of two one-seeded cells. 

 Fruit of two compressed shells which become detached from the calyx, and 

 remain suspÄided by a filiform axis. Lianas of intertropical regions. 

 Example : Lecontea. 



Tribe 7. Guettardece. Flowers distinct or combined together. Ovary of 

 two or more one-seeded cells. Drupe with the like number of nucules. 

 Albumen fleshy. Stipules axillar or interpetiolar, connate. Trees or shrubs 

 of tropical regions. Sub-tribe 1. MorindecB. Example : *Morinda. Sub- 

 tribe 2. MitchellecB. Example : *Mitchella. Sub-tribe 3. Euguettardece. 

 Example : *Guettarda, *Erithalis. 



Tribe 8. CordieriecB. Flowers distinct or separate. Ovary of two to 

 five one-seeded cells. Fruit a berry. Perisperm fleshy. Stipules interpetiolar, 

 large, and adnate. Shrubs of tropical regions. Example : Cordiera. 



Sub-order 2. Cinchonace^. Cells many-seeded. 



Tribe 9. HameliecB. Berry many-celled. Cells many-seeded. Example ; 

 *Hamelia. 



Tribe 10. Isertiece. Fruit drupaceous, with many nucules. Ex.: Isertia. 



Tribe \\. Hedyotidece. Fruit capsular, seeds not winged. Example: 

 Hedyotis. 



Tribe 12. Cinchonece. Fruit capsular. Seeds winged. Example : 

 *Pickneya, *Exostemma, Cinchona. 



Tribe 13. Gardeniece. Berry one- to two-locular. Seeds not winged. 

 Example : Sarcocephalus, Catesboea. 



The entire order, as at present composed, embraces 280 genera (sixteen 

 North American) and upwards of 2800 species. The most important 



141 



