THE TASMANIAN FLOEA. 5i> 



well developed and tubular round the pistil, but free from it. Sepals and petals 

 4-6. Stamens usually as many, or twice as many, as the petals. Fruit many- 

 seeded, capsular. 

 A world-wide order. 



LTTHRUM. 



Sepals 4-6, with. 4-6 sepaloid extensions of the floral tube intervening. Petals 

 4-6. 



As widely distributed as the order. 



Leaves opposite, lanceolate ... ... ... ... 1. L. salicaria. 



Leaves alternate, linear ... ... ... ... 2. L. hyssopifolium. 



1. L. SALIOAEIA, Linn. Erect herb, 2-3 feet. Leaves opposite, lanceolate, 

 stem-clasping, 1-1| inch long. Flowers pink-purple, in a terminal leafy spike, 

 4-6 inches long. Stamens usually 12 (6 short and 6 long). 



Jordan River and numerous other damp localities ; also South Australia, 

 Victoria, New South Wales, and Queensland. Found in most of the temperate 

 and sub-tropical parts of the world. Fl. Jan.-Feb. 



2. L. HYSSOPIFOLIUM, Linn. A small, ascending herb, 6-8 inches. Leaves 

 mostly alternate, linear, j-\ inch. Flowers very small, pink-purple, solitary, 

 and nearly sessile in the upper axils. Petals 4-6. Stamens same number. 



North Hobart Recreation Ground, and many parts in the north in damp places ; 

 also similar in Australian and general distribution to the last. Fl. Dec. 



Order ^X.Xni.—ONAGRACEJE. 



Pistil of usually 4 blended carpels. Ovarian cavities distinct or common, 

 immersed in and connate with the floral tube, which is sometimes extended 

 beyond it. Sepals usually 4. Petals same number. Stamens same or twice as 

 many. Fruit various. 



Of world-wide distribution. 



Tube extending beyond the ovary. Seeds hairless .. . 1. CEnothera. 

 Tube not prolonged. Seeds with a tuft of long hairs 2. jEpilobium. 



1. CEJSTOTHERA. 



Floral tube extending beyond the ovary. Sepals 4. Petals 4. Stamens 8. 

 Fruit an elongated capsule, the valves opening and curving outwards from above 

 downwards. Seeds many, without hairs. » 



The genus is chiefly American, and is represented in Australian distribution 

 by the Tasmanian plant only. 



(E. TASMANICA, H. A small, creeping or ascending herb, 1-3 inches long. Leaves 

 opposite or alternate, narrow, oblong, obscurely toothed, 2-6 lines long. Flowers 

 small, yellow, sessile, and solitary in the upper axils. Petals 1-1| line long. 

 Capsule elongating to |-f inch. 



Marshes at a high altitude in the western mountains. Fl. Dec. 



2. EPILOBIUM. 



Tube not prolonged beyond the ovary, and the seeds with a tuft of long hairs, 

 at one end. Otherwise as in CEnothera. 

 World-wide distribution. 



Leaves narrow, mostly alternate \. E.junceum. 



Leaves mostly opposite. 



Leaves stem-clasping 2. E. glabellum. 



Leaf -bases narrow. 



Petals about 2 lines Z. E. cdpinum. 



Petals 3-6 lines 4. E. Hilar dierianum^ 



