236 THE FLORA OF THE NOETHERN TERRITORY. 



Sub-tribe II. — Euvitaceae. Ovary not at all or scarcely lobed. Fruit a 

 drupe. S'hrubs or trees. Seeds without albumen (or rarely in Vitex with if 

 scanty albumen). 



Corolla small, usually 4-lobed, -with a short tube. 



Stamens included or not much exserted. 



Cymes axillary. Style dilated at the top or truncate. — 9. Callioarpa. 

 Cymes or panicles terminal. Style 3- lobed. — 10. Premna. 



Corolla 4-lobed, with a slender tube. Stamen.s long. IVuiting calyx en- 

 larged and spreading. — 13. Clerodemdron. 



Corolla-tube broad, lim,b 4 or 5 lobed. Stamens not exceeding the upper 

 lip. Drupe with a bony 4-celled putamen. Leaves sim.ple. — 12. Gmelina. 



Corolla-tube short, limb 5-lobed. Stamens often exserted. Drupe with 

 2 or 4 distinct pyrenes. Leaves often digitately compound (sometimes simple). 

 —11. Vitex. 



Tribe III. — Avicennieae. Fruit a 2-valved capsule. Seed solitary, with- 

 out integuments; embryo with large folded cotyledons. — 14. Avicennia. 



1. VERBENA, Iaws., 1737. 



(Billardiera, Moench., 1794 ; Burseria, Loefl.; 1758 ; Glandularia, J. F. 

 Gmel., 1791 ; Obletia, Rozier, 1773 ; Patya, Neck., 1790 ; Shuttleworthia, 

 Meissn., 1840 ; Uwarowia, Bunge., 1840.) 



1. V. officinalis, Linn. — Hermansburg, Finke River, G. F. Hill (59), 

 11/3/1911. 



Common Vervain. Poisonous according to Smith and Lyon. Irritant. 



2. LIPPIA, Linn. 

 (Zapania, Scop.) 

 1. L. nodiflora, Rich. — ^Victoria River, F. v. Mueller. 



3. STAGHYTARPHETA, Vahl. 1805. 



(Abena,Neck., 1790 ; Cymburus, SaHsb., 1806 ; Melasanthus, Pohl., 1827; 

 Stachytarpha, Link., 1827 ; Tarpheta, Rafin., 1836 ; Valerianoides, Medic, 

 1789 ; Vermicularia, Moench., 1802.) 



1 . 8. dichotoma, Vahl. — ^Near Darwin, Gilruth and Spencer, July -August, 

 1911. 



A naturaUsed alien, native to Tropical America. 



4. PITYRODIA, R. Br. 



1. Pityrodia hemigenoides, F. v. M. — Edith's Creek, Spencer and Gilruth, 

 July- August, 1911. 



5. DENISONIA, F. v. M. 



1 . D. tenuifolia, F. v. M.' — Towards the sources of the Seven-Emu and 

 M' Arthur Rivers, Gulf of Carpentaria, F. v. Mueller. 



6. CYANOSTEGIA, Tuecz. 

 {Bunnya, F. v. M.) 

 1. C. Bunnyana, F. v. M. — Roebuck Bay, N.W. Coast, Martin. 



