490 Transactions. — Botany. 



slightly veined, segments not tailed. Dorsal sepal slightly 

 acuminate, acute ; lateral sepals connate, erect, acuminate, 

 longer than dorsal ; lateral petals nearly as long as dorsal 

 sepal, acuminate, tips obtuse ; tongue sub-linear-lanceolate, 

 thickish, no veins visible, brovvuish-green, glabrous, produced,^ 

 slightly recurved, tip sub-acute ; appendage small, very short, 

 slightly recurved, with a few short fimbriae. Column rather 

 short, length of tongue ; wings broadly auricled, with two 

 stoutish subulate acuminate horns arising from centre of wings 

 and longer than column ; stigma fimbriate at base. 



Hah. Near Mount Tongariro, County of East Taupo ; 1889 : 

 Mr. H. Hill. 



Genus 15. Thelymitra, Forst. 



1. T. fivibriata, sp. nov. 



Plant rather slender, stem llin. high, erect, flexuous. 

 Leaves : basal ; cauline 1, Sin. from base, sheathing, linear- 

 acuminate, sub-acute, 6^in. long, ^in. wide at base, fiat, sub- 

 coriaceous, dark-coloured (with stem and bracts) when dry. 

 Two large cauline bracts, equidistant, nerved, their tips very 

 acuminate much produced and flexuous. Flowers 5, distant 

 in a loose raceme, their pedicels ^in. long (the length of ovary) ; 

 floral bract broadly ovate (almost sub-orbicular), 8-9 lines long, 

 5 lines wide, many-nerved, the top suddenly acuminate, acute. 

 Perianth IJin. diameter, violet with darker pencillings, much 

 veined ; veins branching. Dorsal sepal broad ; petals narrower 

 than lateral sepals ; lip longer and very narrow. Column 

 truncate, with small toothed wings shorter than staminodia ; 

 staminodia largely fimbriate ; fimbriae spreading, irregular, 

 flat, flexuous, sometimes forked at their extreme tips ; anther 

 ovate, pointed. 



Hab. Open fern lands, interior ; also in similar situations,. 

 Fortrose, Invercargill. whence specimen received in a packet : 

 1888. 



Obs. A species having affinity with T. lyulchella, Hook. f.,. 

 but differing in its larger and otherwise-coloured flowers^ 

 its long narrow label lum, and remarkably fimbriate stami- 

 nodia, il'C. 



Genus 18. Orthoceras, Br. 



1. 0. caput-scrpentis, sp. nov. 



Plant erect ; root 2 large narrow-oblong tubers, 2in. long, 

 sub-terete ; stem slender, 18in. long, 1 line diameter above, 

 green, rigid, wiry ; 1 short broad basal bract, fin. long, acu- 

 minate. Leaves 2, near base, sheathing, 9in. long, very 

 narrow, sub 1 line wide, sub-terete throughout, deeply chan- 

 nelled, margins closely involute, tip acute ; 3 cauline leaves- 

 much shorter, distant, appressed. Flowers few (5), distant ;. 



