THE FLORA OS THE NORTHERN TERRITORY. 107 



2. C. gracilis, Benth. — Port Essirigton, Armstrong. 



3. G. quadrivalvis, F. v. M. — Sandy places along the Victoria River and 

 in the Macadam Range, F. v. Mueller. 



4. C. spergularina, F. v. M. — Sandy bed of Nicholson River, Gulf of 

 Carpentaria, F. v. Mueller. 



5. C. uniflora, F. v. M. — Victoria River, near the main camp, F. v. Mueller. 



C. ptychosperma, F. v. M. ; C. stropMolata, F. v. M. ; C. balonensis, F. v. 

 M. ; C. polyandra, F. v. M. ; C. pumila, F. v. M. ; (in National Herbarium 

 Census), recorded from North Australia. 



2. PORTULACA, Linn. 

 Leaves mostlj' alternate. 



Stipular hairs minute or none. 



Leaves oblong-cuneate. Root slender. Capsule closely sessile. 



— 6. P. oleraoea. 

 Leaves linear-terete. Root usually tuberous. Capsule narrowed 

 into a short stipe.— 5. P. napiformis. 

 Stipular hairs numerous and conspicuous. 



Leaves thick and short. — 1. P. australis. 



Leaves linear-terete, almost filiform. 4. P. fihfolia. 



Leaves all opposite. 



Stipular hairs short, but conspicuous. Flowers usually 3, within 



the floral leaves, and shortly pedicellate. Style-lobes subulate. 



^3. P. digyna. 

 No stipular hairs. Flowers solitary and sessile, within 4 bract-like 



floral leaves. Style-lobes flat and transparent. Leaves 



lanceolate or linear. 7. P. oligosperma. 

 Leaves orbicular. — 2. P. bicolor. 



1 . P. australis, Endl. — Gulf of Carpentaria, Bauer. 



2. P. bicolor, F. v. M. — Victoria River, F. v. Mueller. Heart-plant. 



3. P. digyna, F. v. M. — Upper Victoria River, Hooker's Creek, and Sturt'.s 

 Creek, F. v. Mueller. 



4. P filifolia, F. v. M. — Sandy deserts on Sturt's Creek, F. v. Mueller. 



5. P. napiformis, F. v. M. — Victoria River and Beagle Valley, F. v. 

 Mueller ; N.W. Coast, Bynoe. 



6. P. oleracea, Linn. — Victoria River, F. v. Mueller. 



7. P oligosperma F. v. M. — ^Victoria River and Sturt's Creek, F. v. 

 Mueller. 



P. Armitii, F. v. M. (in National Herbarium Census), and P. cyclophylla, 

 F. V. M. (in Proc, Linn. Soc, N.S.W., 1890), and P. dubia, Tepper (in Trans. 

 Roy. Soc., S.A., 1893), recorded from North AustraUa. 



CARYOPHYLLACEiE. 



1. POLYCARPAEA, Lour. 



Section I. Planchonia. — Petals and stamens united in a cup or tube, 

 without staminodia. 



