1877.] Knowledge of the Burmese Flora. 123 



rarely indehisccnt. Flowers not in heads. Corolla without toothlets between the lobes. 

 Corolla valvatc. Radicle inferior. 



Spermacoce. Ovule attached to or below the middle of the cell. Capsule dehiscing 

 septicidally fi^om the apex. Herbs. 



Hydrophylax. As preceding, but capsules indehisccnt. Herbs. 



Knoxia. Ovule attached at or below the summit of the cell. Capsule dehiscing 

 from the base into two deciduous cocci, leaving the persistent setaceous axis. Herbs. 



Trib. 5. CEPSALANTIIE^. Capsules indehisccnt, usually united into a syn« 

 carp. Corolla imbricate. Radicle superior. 



Cephalanthus. Corolla- lobes with toothlets in their sinuses. Capsules berry- 

 Hke, connate. Flowers in heads. 



Sulord. II. EJJ-BTJBIAGEM. Fruit a more or less fleshy drupe 

 or rarely a berry 1 to many-celled. Ovary-cells 1 to many-ovuled. Seeds 

 never winged nor appendaged. Stipules interpetiolar or developed into 

 leaves, or rarely none. 



* Stipules interpetiolar^ various. ' 



-\- Seeds enclosed in pyrenes of a coriaceous, crustaceous, or 

 chartaceous texture. Ovules solitary in each cell. Radi- 

 cle inferior. 

 Trib. 1. PMDERIEJE. Ovule and the seed pendulous. Drupe dry, crusta- 

 ceous or chartaceous, irregularly rupturing. 



PiEDERiA. Corolla valvate. Cocci thin- chartaceous, expanded into wings. Twi- 

 cers, the leaves opposite or whorled. 



Trib. 2, COFFEES. Ovary 2—9- (very rarely 1- ) celled, the solitary ovules 

 erect or attached to the middle of each cell. Berry consisting of 2 or more (rarely a 

 single) one-seeded coriaceous or chartaceous pyrenes. 



* Ovules erect and basal. Albumen of ten fleshy . Corolla valvate. 



X Ovary 4 — 9- (rarely 2- ) celled. (La&ianthew). 



Lasianthus. Calyx more or less toothed. Styles and ovary-cells 4 — 9. Flowers 

 clustered or cymose, axillary. Shrubs. 



X X Ovary 2- (very rarely 1- ) celled. {Psychotrieoe) . 



Nertera. Flowers hermaphrodite or unisexual. Corolla 4- or 5-lobed. Style 

 2-parted almost to the base, hirsute. Creeping herbs. 



Cephaelis. Corolla funnel-shaped, the tube long. Calyx 4- or 5-toothed or -lobed. 

 Flowers in tieads or solitary, axillary. Herbs or under-shrubs. 



Hydnophytum. Calyx-limb entire. Corolla-tube short. Flowers sessile, clus- 

 tered. Epiphytical shrubs with tuberous trunks. 



PsYCHOTRiA. Corolla-tube short, the throat bearded. Pyrenes flat or entire on the 

 inner face. Flowers cymose or cymosely panicled. Shrubs, rarely scandent. 



Chasalia. Corolla-tube elongate, the throat naked. Pyrenes carved out on the 

 inner face along the central placenta. Inflorescence of Psychotria. Shrubs or under- 

 shrubs. 



Saprosma, Corolla funnel-shaped, velvety, often almost oblique. Berry 1- rarely 

 2-seeded. Flowers terminal and axillary. Stipules free. Shrubs or trees. 



* * Ovules attached to the middle or above the middle of the septum. Corolla 



twisted. Albumen often horny. (Ixoreae). 

 Coffea. Corolla fiuinel-shaped, the limb 4 — 7-parted. Berry 2 or rarely 1-seeded, 

 the pyrenes chartaceous. Flowers terminal and axillary. Stipules free. 



