Drosera.] XXVII. DEOSEEACEAE. 145 



1. DROSERA, Linn. 



Calyx-segmentSj stamens, and petals 4, 5^ or rarely 8. Ovary l-celled, witli 



2, 3j or 5 parietal placentas. Styles as many as placentas, simple or branched. 



Capsule with as many valves as placentas. Herbs, with glandular leaves and 



scapigerous or racemose flowers. Rootstock fibrous or tuberous. Leaves 



circinate in vernation. 



Species, upwards of 100, distributed over the area o£ the order. Abundant in Australia, but 

 rare in Polynesia. One New Zealand species is endemic ; the others extend to Australia. 



Sca'pe 1-flowered. Mowers white. 



Leaves spathulate. Calyx oampauulate . . . . . . . . ..!.£>. stenopetala. 



Leaves linear. Calyx divided nearly to the base . . . . . . . . 2. D. Arcturi. 



Minute. Leaves orbicular. Calyx 4-lobed . . . . . . . . . . 3. J5. pygmaea. 



Scape many-flowered. Flowers white. 

 Leaves spathulate. Styles 3, 2-partite . . . . . . . . . . i. D, spathulata. 



Leaves divided into narrow-linear acute segments .. .. .. ..5. D.binata. 



Scape leafy, many-flowered. 

 Flowers purple . . . . . . . . . . . . . . . . 6. .D. auriculata. 



1. D. Stenopetala, Hook, f., FL N.Z. i. 19, t. 9. Stemless. Early 



leaves oblong, ^in.— fin. long, recurved and fringed with short glands ; mature 



lin.— Sin. long ; petiole slender, glabrous ; blade spathulate, the upper surface 



thickly clothed with glandular hairs, which are shorter than those at the 



margins. Scape lin.— 6in. long, glabrous, 1-flowered. Caljx campanulate, 



5-lobed ; lobes short. Petals long, narrow-linear-spathulate. Styles 3, deeply 



3-fid. — Handbk. 63. 



NOETH Island: Ruahine Eange, W. F. Hoiolett I SOUTH Island: Nelson: Mount Arthur 

 Plateau, Cheeseman. Mount Eochfort, Oaze ! Westland : Kelly's Hill, &c., Peirie / Canterbury: 

 Arthur's Pass, r. £■. Otago : Milford Sound, Hector. Port Preservation, Li/'^ZZ. Longwood Range, 

 T. E. STEWART Island: common: r. .r. AUCKLAND Islands, T. X Descends to 150ft. on the 

 Auckland Islands. Ascends to 4,500ft. Dec, Jan. 



The flat oblong leaves of the early state form a conical rosette. The petals are persistent. 



2. D. Arcturi, Hook, in Journ. Bat. i. (1834) 247; Ic. PI. t. 56. 



Stock usually tufted, very short or lin.— 2in. long. Leaves lin.— 4in. long, 



linear-ligulate, obtuse, the early leaves short and quite glabrous, sometimes 



narrow-linear-ovate, the mature leaves glandular for half their length, narrowed 



below and glabrous. Scape exceeding the leaves, 1- or rarely 2-flowered. 



Calyx divided nearly to the base ; segments 4, linear. Petals obovate, white, 



scarcely exceeding the calyx. Stamens 4. Styles 3, rather stout, short ; 



stigma broad. — Hook, f., Fl. N.Z. i. 20; Handbk. 63; Benth., Fl. Austr. 



ii. 456-. 



NORTH Island : Euahine Range, Golenso. SOUTH Island : Nelson to Otago, in mountain 

 districts. STEWART Island. Descends nearly to sea-level on Stewart Island ; chiefly from 2,500ft. 

 to 4,000ft. elsewhere. Dec, Jan. Also in Australia and Tasmania. 



Var. polyneuron. Leaves of two forms, some 4 lines wide and many-nerved, the others 

 IJ lines, erect. Scape longer or shorter than the leaves, with a linear basal leaf |in.-lin. long. 

 Stamens 5; filaments flat. Styles 4.— D. polyneuron, Col. in Trans. N.Z.I, xxii. (1889) 460. NORTH 

 Island: base of Mount Tongariro, Taupo, H.-Hill. 

 19 



