. (MADDER FAMILY.) 191 



Synopsis. 



SUBORDER I. COFFEE^E. Ovules ami seed solitary io the cells (except 

 No. 6). Calyx tube adherent to the ovary. 



1. Leaves whorled. Stipules none. 



1. GALIUM. Corolla rotate, valvate in the bud. Fruit 2-celled. Herbs. 



'2. Leaves opposite, rarely three in a whorl, with stipules interposed. 

 * Herbs. Mature fruit dry. Flowers single or clustered. 



2. SPERMACOGE. Carpels 2, one or both open on the inner face. Flowers clustered. 



Calyx lobes persistent. 



3. RICHARDIA. Carpels 2 - 4, closed. Calyx lobes deciduous. Flower clusters terminal. 



4. DIODIA. Carpels 2-3, bony and closed. Style 2-cleft. Albumen fleshy. 



* * Shrubs. Fruit dry. Flowers in globular peduncled heads. 



5. CEPHALANTHUS. Carpels 2-4, separating at the base, closed. 



* * * Shrubs. Fruit fleshy or pulpy. Flowers mostly axillary. 



-i- Ovaries united, forming a compound berry in fruit. 



6. MITCHELLA. Flowers by pairs. Sjtamens 4. Berry 4-seeded. 



7. MORINDA. Flowers numerous. Stamem 5. Berry 1-seeded. 



i- -i- Ovaries and fruit separate. 

 ++ Albumen horny. 



8. CHIOCOCCA. Fruit flattened, even. Stigma entire. Seeds suspended. 



9. PSYCHOTRIA. Fruit ribbed. Stigma 2-lobed. Seeds erect. 



H- -H- Albumen fleshy. 



10. STRUMPFIA. Corolla bell-shaped. Anthers subsessile, united. Leaves whorled. 



11. GUETTARDA. Corolla salver-form. Anthers subsessile, separate. 



12. ERITHALIS. Corolla subrotate. Filaments slender. Flowers panicled. 



13. ERNODEA. Corolla salver-form. Flowers axillary, solitary. 



SUBORDER IT. CIXCHOXE^E. Ovules and seeds numerous in the tells. 

 Calyx tube adherent to the ovary. Leaves opposite. 



* Fruit baccate, indehiscent. Shrubs, 

 -i- Fruit 5-celled. 



14. HAMELIA. Flowers cymose. Corolla cylindrical, crimson. 



+- H- Fruit 2-celled. 



15. GENIPA. Flowers cymose. Corolla salver-form, white. Berry large. 

 Hi. RANDIA. Flowers solitary. Corolla 5-lobed, convolute in the bud. 

 17. CATESB^A. Flowers solitary. Corolla 4-lobed, valvate. 



* * Fruit capsular, loculicidally dehiscent. 



t- Shrubs or trees. 

 IS. PINCKNEYA. Shrubs or trees. Flowers cymose, terminal. Seeds winged. 



10. EXOSTEMMA. Shrubs. Flowers solitary, axillary. Seeds winged. 



-i- -i- Herbs. Corolla valvate. Seed wingless. 



20. HOUSTONIA. Corolla funnel- or salver-form, 4-lobed, longer than the calyx. 



21. OLDENLANDIA. Corolla rotate, 4-lobed, shorter than the calyx. 



22. PENTODON. Corolla funnel-form, 5-lobed. Capsule included in the calyx. 



1. GALIUM, L. 



Calyx teeth obsolete. Corolla rotate, 3 -4-lobed. Stamens 3 -4. Styles 2, 

 united at the base. Stigma capitate. Fruit double, sepnrntin; into two 1- 

 seeded closed carpels. Albumen horny. Slender herbs, with square stems 

 and whorled leaves. Flowers minute. 



