294 XXVI. ZYGOPTTYLLE^. [Zygop7ii/llum, 



1 in. long, the petioles not usually winged, blowers usually 4-inerous, tlie 

 size of those of \^. apkulatum. Sepals narrow, very acute. Petals about 3 

 lines long. Filaments subulate or slightly flattened, but not winged. Cap- 

 sule 3 to 5 lines long, loculicidal, broad and truncate at the top, narrowed to 

 the base, the angles acute or shortly pointed or scarcely rounded at the 

 upper outer comer. Seeds 1 or rarely 2 in each cell. — Hook. f. Fl. Tasin. 

 i. 60; F. Muell. PL Yict. i. 104^; kcepera Billardieri, A. Juss. in Mem. 

 Mus. Par. xii. 454 (by inference) ; Z, ammophilam^ F. jNtuell. in Linuaea, xxv- 

 376, in adnot. 



Victoria. Coast rocks and drift sands from Port Phillip to tlic Glenclg, and on the 

 lower 31urray river, F, MueHer, 



Tasmania. Islands of Bass's Straits, R. Brown, Gunn^ and others. 



S. Australia- Spencer's Gnlf, Goose Islnnd Bay and Kangaroo Island, U. Brown; 

 southern shores and towards Lake Torrens, F, Mueller ; Cooper's Creek, A . Gregory, 



"W. Australia. From King George's Sound to Swan River and Champion Bay, 

 Drvwynond, Oldfeld, and others. 



. Var. bilohum. Leaflets narrow, continuous with the petiole, as in Z, prismaiothectini. 

 On the Mnrray river and Holdfast Bay, F, Mueller. 



A minute-flowered form occurs also on the Murray and in West Australia. 



branched 

 4-mcro\is 



fruticulosum, DO. Prod, i. 705. A low dilfuse or divaricately- 

 slimb. Leaflets obliquely oblong or lanceolate, rarely ovate. 1 lowers 

 Tr-iiii.iuu5, the size of those of Z, apiculatum. Tilamcnts subulatOj without 

 wings. Capsule \ in. long, in dehiscent, or at length separating septicidally 

 into cocci opening inside, the angles expanded into broad membranous 

 wings, rounded at both ends and not splitting. Seeds solitary in each cell. 



Par. xii. 525, t. 15 ; Dclcss. Ic. Sel. iii. t. 42 ; Miq. in PL Preiss. i. 164. 



"W- Australia. Arthur's Head, Swan River, Freiss, n. 1953; Port Gregory and 

 Murchison river, Oldjield. 



Var. bilobum. Leaflets narrow, continuous with the petiole, as in Z. prismatof^ectm--^ 

 JRcepe7'a aurantiaca, Liridl. in Mitch. Three Exped. ii. 70; Z. aurantiacum, Y, Muell. m 



Linnica, xxv. 376 (note). 

 N. S. ^Wal 



Victoria, ^Turray Desert, from the Murrumhidgce downwards, F. Mueller, 

 S. Australia. From Spencer's Gulf, Warburton, to Flinders llange and Lake Torrens, 

 F, Mueller, 



r 



VST. Australia. Dirk Ilartog's Island, J, Cunningham, 



A^ar. (?) pfnlgpterum. Leaflets obovate, as in the broad-leaved specimens of Z. glaucum. 

 Fruits wiuged, as in Z.fnitmdosuTn, but very much larger, attaining more than 1 in. diameter. 

 Tort Jaelison, Leichhardt {Herb. F. Mueller), The specimen iusutfieieut for accurate diagnosis. 



Order XXVII. GERANIACEiE. 



Flowers usually hermaphrodite, regular or irregular. Sepals 5, or rarely 

 fewer, free, or rarely connate at the base, imbricate or (in genera not Aus- 

 tralian) valvatein the bud. Petals as many or rarely wanting, hypogynous or 

 slightly perigynous, variously imbricate in the bud. Torus more or less ex- 

 panded into a disk, often bearing 5 glands alternate with the petals, and 

 usually protruding into a short axis in the centre of the ovary. Stamens 

 usually twice the number of the petals, 5 of them occasionallv w ithout anthers, 



