1877.] Knowledge of the Burmese Flora. 83 



LYTKBABIBM. 



Conspectus of Species. 

 * Capsule irregularly or circumsciss-dehiscing, or 2-valved, 1 — i-celled. 

 X Seeds glabrous. Leaves not black clotted. 



t Flowers with petals, or rarely apetalous in some herbs. 



Herbs. Capsule 1 — 5-celled, irregularly or transversely de- 

 hiscing. 

 Ammannia. Calyx 3 — 5-toothed. Stamens 2 — 8. Disk-glands none. Leaves 

 opposite or rarely whorled. 



Hydrolythbum. Calyx 4-lobed. Petals 4. Stamens 4. Disk-glands 8. Cap- 

 sule 2-celled. Aquatics, with whorled leaves. 

 Trees or shrubs. 

 Pemphis. Calyx 12-toothed, ribbed. Petals 6. Stamens 12. Ovary 3-celled, 

 Capsule 1-celled, transversely circumsciss. 



Lawsonia. Calyx 4-parted. Petals 4. Stamens 8. Ovary and capsule 4 -celled, 

 the latter irregularly bursting. 



t t Flowers apetalous. Trees or shrubs. 

 Crypteronia. Calyx 4 — 5«cleft. Stamens 4 — 5. Ovary and capsule 2-celled, the 

 latter 2-valved. 



Dichotomanthes. Calyx 5-toothed, terete, the teeth alternating with as many 

 accessory minute ones. Stamens 10. Capsule woody, indehiscent ?, 1-celled. 



X X Seeds pilose. Calyx-tube tubular, curved. Stamens declinate. 

 Leaves black-dotted beneath. 

 WooDFORDiA. Calyx 6-lobed. Petals 6, or none. Stamens 12, long-exserted. 

 Ovary and capsule 2-celled, the latter elongate, sessile, loculicidally 2-valved. 



* * Capsule regularly opening into 3 — 8 valves., or berry -like and indehiscent. 

 Trees or shrubs. 

 X Capsule dry or leathery, dehiscent. 

 Lagerstroemia. Calyx bell-shaped, 4 — 6- rarely 7-cleft. Petals 4 — 6. Stamens 

 numerous, in 2 or more rows. Capsule dry, almost woody, 3 — 6-celled and -valved. 

 Seeds laterally winged. 



DuABANGA. Calyx 4 — 7-parted, thick coriaceous. Petals 4 — 7. Stamens numer- 

 ous, in a single row. Capsule leathery, 4 — 8-celled and -valved. Seeds appendaged 

 at both ends. 



X X Capsule berry- like, indehiscent. 

 SoNNERATiA. Calyx bell-shaped, 4 — 8-lobed. Petals 4 — 8, or none. Stamens 

 numerous. Berry many-celled. 



Ammannia, L. 



Conspectus of Species. 

 Suhg. 1. Rotala, L. Flowers solitary (rarely and only occasionally by 

 2 or 3) in the axils of the leaves, or bracts, often forming spikes or ra- 

 cemes. Capsule 2 — 4- valved. 



* Bisk-glands 8 under the ovary. (Hydrolythrum, Hf.). 



Aquatic herb of the habit of Myriophyllum, the leaves whorled, linear, ... .A. JVallichii, 



* * Disk-glands absent. (Eotala, L.). 



X Calyx bell-shaped, thrice as deep as wide. Capsule shorLer than, 

 and included in, the calyx-tube. 



