270 1 rqmactiom. — Botany. 



two lumps at base of labellum, which are again divided, so 

 making four. 



Hab. Kaipara Heads, West Coast, North Island ; Mr. C. P. 

 Winkelmann ; in letter, October, 1884. Flowering in October. 



Genus 12. Pterostylis, Br. 

 1. P. patens, sp. nov. 



Stem stout, 1-flowered, 4 inches high ; 2-3 short ovate acute 

 brownish and scarious bracts near base ; 4-5 stem-leaves, 

 equidistant, 3 inches long, 5-7 lines broad, sub-linear-lanceolate, 

 not narrowed at base, sub-acute, recurved and revolute, thickish, 

 finely papillose, keeled, 3-nerved, nerves obscure ; uppermost 

 leaf shorter, close to base of ovary, 1| inches long, erect, half 

 the length of perianth and sub-clasping. Perianth large, very 

 open, bladdery, particularly at base, which is sub-globular, 

 somewhat sub-quadrate in outline and very wide ; upper parts 

 of segments brownish-red, extending low down on lateral sepals. 

 Galea erect, broadly arching and flat above, 2 inches long without 

 tip ; tip of dorsal sepal hooked, sub-acuminate, extending | inch 

 beyond lateral petals, which are strongly 1-nerved, broad at tips, 

 and acute ; lower lip, the entire part thrown largely forward and 

 downward, cuneate, f inch long, much concave between lobes, 

 their margins incurved above, and the lobes suddenly and com- 

 pletely reflexed below base of perianth, and extending down- 

 wards and horizontally beyond base of upper bract (or floral 

 leaf), tapering into stoutish points more than 1 inch long. 

 Labellum prominent, very irritable, linear-oblong, 10 lines long, 

 2-| lines wide, truncate at base, recurved at tip, with a longitu- 

 dinal central stout ridge throughout ; tip thick, obtuse, red, 

 minutely papillose ; claw stout, curved, nearly 2 lines long, a 

 thick green protuberance on under surface opposite to its base, 

 and a large tuft of stoutish spreading fimbriae at tip, which are 

 also lobulate or branched ; column slender, wings incurved, 

 large, more than 4 lines long, front margins sub-sinuate with 

 a long finely subulate erect tooth from upper front angle rising 

 above anther, lower lobes obovate or oblong and rounded, 

 margins entire ; stigma long, narrow, not prominent, at its 

 central base an erect subulate white appendage, 2 lines long, 

 projects forward from between two finely incurved corrugated 

 lines or side-angles of lower column. 



Hab. Forests, hilly country, near Norsewood, County of 

 Waipawa ; 1883-84: W.C. Glenross, County of Hawke's Bay ; 

 1884 : Mr. D. P. Balfour. 



Obs. I. I first detected this plant in 1883, but then, while 

 perfect, it was past flowering. Believing it to be a new species, 

 I brought away carefully its tubers and planted them in a pot, 

 and they have grown strongly and flowered. I have had, how- 

 ever, but one fresh flower to examine, but this was so large, 



