149 



of the adjacent mainlaiid. The isolation was, without doubt, 

 subsequent to that of Tasmania, though prior to the advent of 

 man in Australia, botanical isolation being secured against 

 man's aggression by reason of his inability to cross the Straits. 



Catalogue of the Floweeijtg Plants axd Ferns, with 

 Localities. 

 The sequence of the orders and the nomenclature of the 

 flpecies are adopted from Baron Sir F. von Mueller's 

 " Systematic Census of Australian Plants ;" and to that gen- 

 tleman I am greatly indebted for the revision of the specific 

 determinations. The plant-names to which an asterisk is pre- 

 fixed are now published for the first time. 



EANUNCULACE^. 



*Kanunculus parviflorus. Mossy banks in gullies near Kan- 

 garoo Head. 

 '*Clematis microphylla. Common near the coast. 



DILLEXIACEiE. 



^Hibbertia densiflora. Heath near American Eiver. 



*Hibbertia stricta. Common on sandy and stony heath- 

 ground. 



^Hibbertia Billardieri. Xot uncommon on sandy heath- 

 ground. 



"^Hibbertia fascicularis. Wet heath-ground three miles east 

 from Karatta ; also at the Harriet Eiver. 



LAUEIXEiE. 



Cassytha glabella. Kang. I., Sealey. Sandy heath-ground, 



parasitic on Lepidos'perma filiforme chiefly. 

 "^Cassytha melantha. Parasitic on the smaller Eucalypts 



chiefly. 

 *Cassytha pubescens. Parasitic on small heathy shrubs and 



Melaleuca uncinata. 



PAPAYEEACEiE. 



*Papaver aculeatum. Sandhills at American Beach, and rocky 

 ground northward to Kangaroo Head ; Kingscote ; 

 D'Estrees Bay. 



CEUCIFEE^. 



^Capsella procumbens. Eocks by the sea and moist gullies, 

 iSTorth Dudley Peninsula ; also in ti-tree thickets bor- 

 dering salt lake near Pelican Lagoon. 



^Cakile maritima. Sandy shore of D'Estrees Bay. 



Lepidium foliosum. Kang. I., Bannier. 



*Lepidium ruderale. Chiefly by the sea, Dudley Peninsula ; 

 Flour Cask Bay, Eleanor Eiver, Kingscote and Bay of 

 Shoals. 



