THE FLORA OF THE NORTHERN TERRITORY. 259 



11. CCELOSPERMUM, Blume. 



(Pogonolobus, F. v. M.) 



1. C. reticulatum, Benth. — Recorded. Amhem S. Bay, R. Brown; 

 Low Island, Henne ; M'Adam and Newcastle Ranges, F. v. Mueller. 



G. decipiens, Baill. — Recorded from North Australia in National Herbarium 

 Census. 



12. SPERMACOCE, Linn. 

 (Borreria, G. F. W. Mey.; Bigelovia, Spreng.) 



Stamens inserted at the base or below the middle of the coroUa-tube, the 

 anthers always included. Corolla 1 to 1 J Unes long. 



Leaves linear, lanceolate, or narrow-elliptical. Stems erect, divaricate 

 or scarcely diffuse. Stamens at the base of the tube. 

 Corolla-lobes much shorter than the tube. — 2. S. brachystema. 

 CoroUa-lobes longer than the tube. 



CoroUa densely bearded at the throat. Anthers small, 



ovate. — 10. S. pogostoma. 

 CoroUa not bearded, the narrow lobes pubescent inside 

 Anthers oblong. — 7. S. leptoloba. 



Stamens inserted at the orifice of the coroUa-tube, alternating with its lobes. 

 Calyx usually 4-lobed. CoroUa-lobes without internal appendages. 

 Annual or perennial herbs. 

 CoroUa-lobes longer than the short broad tube. 

 Leaves Unear or Unear-lanceolate. 



CoroUa about 1 line long. Stamens much shorter than 



the lobes. — 9. S. multicaulis. 

 CoroUa about 2 lines long. Stamens as long as or longer 

 than the lobes. — 4. S. exserta. 

 Leaves ovate or eUiptical, on long petioles. Stamens ex- 

 ceeding the coroUa-lobes. — 8. S. membranacea. 

 Leaves ovate or broadly lanceolate, rigid, with callous margins. 

 Stamens not exceeding the corolla-lobes. — 1 1 . S . scabra. 

 CoroUa-lobes shorter than the tube. 



Flowers about 4, in terminal and lateral heads. CoroUa 

 about 3 lines long. Cocci almost closed. — 5. S. 

 inaperta. 

 Flowers numerous, in heads chiefly terminal. 



CoroUa about 3 Unes long ; lobes nearly as long as the 



tube. — 12. S. stenophyUa. 



CoroUa about 4 lines long ; lobes a little more than 



haU as long as the slender tube. — 6. S. laevigata. 



Calyx usuaUy 4-lobed. CoroUa-lobes with 2 obUque prominent 



laminae or'auricles on the inner face. Leaves Unear or lanceolate. 



Annual or perennial herbs. 



CoroUa 2^ to 3 lines long ; the lobes about as long as the 



tube. — 3. S. breviflora. 

 CoroUa 5 to 6 lines long ; the lobes shorter than the tube. — 

 1. S. auriculata. 

 Calyx 2-lobed. CoroUa-lobes without appendages. Undershrub. — 

 13. S. suffruticosa. 



1. S. auriculata, F. v. M. — ^N. Coast, R. Brown ; Upper Victoria River, 

 F. V. MueUer ; Port Essington, Armstrong. 



