110 THE SAXD STEAXD FLORA 



Europe, and Australia,, as far as the writer has seen, but Coekajnel) 

 remarks a considerable Tariation in forms from Xew Zealand and 

 Chatham Island: "The trailing stems of C. Soldanella, furnished with 

 a few fleshy leaves, are Terr short, being rarely more than 4 em. in 

 length: the rest of the plant is subterranean, with the exception of the 

 flowers. These latter are large, lUae and white in color, semiprostrat€, 

 with their peduncles buried beneath the sand right to the base of the 

 calyx. This small development of C. contrasts greatly with the same 

 species, when growing on the sand dunes at some distance from the sea 

 in many parts of ]!^ew Zealand. There it forms great masses trailing 

 over the sand, or, when growing in sheltered positions amongst other 

 plants, it actually assumes a climbing habit of growth." 



This species does not differ much in habit from the sea coast form 

 of C. sepium L. and it has also been reduced to this by F. v. Mueller -) 

 although it exhibits characters, which certainly justify its being con- 

 sidered a different species. 



Cressa cretica L. 



Small, erect, much-branched perennial, T — 1-5 em. higlu sOiy-pubes- 

 cent: leaves sessUe, linear or ovate-lanceolate, entire. 5 mm. long. 



On sandy coasts of the warmer parts of Europe, Asia, Africa, 

 Australia, and America. In California and Australia it also occurs iu 

 the interior on saline soil. 



Evolwlus alsin&ides L. 



Perennial, much-branched, prostrate: 15 — 30 an. long stems, siliy- 

 haixy: leaves lanceolate, entire, sessile, 1 — 2 cm. long, obtuse or acute; 

 flowers small, white or bluish. 



Abundant on Queensland coast, and also found in IN'ew South Wales 

 (Clarence Eiver), S^uth and West Australia. Eeported from many 

 places of the interior. 



Ipomaea camosa E. Br. 



Prostrate or creeping glabrous perennial: leaves petiolate, ovate, ob- 

 tuse, cordate at base, succulent, 1 — 3 cm. long: flowers large, white; 

 seeds woolly and hairy. 



On sea coasts of warm countries in America, Africa, and Asia. Also 

 occurs on the Mediterranean coasts, and on the shores of Gulf of Car- 

 pentaria in Australia, 



1) A short aecount of the plant covering of Chatham Island, — ^Trans. X. Z. 

 Inst. XNXTT. p. 257. 



2) Fragmenta Phytographiae Anstraliae, TT, p. 100. 



