Unernia. | CYPERACEAE. 243 
Section A. Spike short, rather broad, 1-1 in. long, oblong or linear-oblong, more or less 
dense-flowered. 
Culms 2-9in., gather stout. Leaves shorter than the culms, 
74-7 in. diam. Spike pale, }-lin. Utricle scabrid .. Ll. U. macrolepis. 
Culms 2-6in., weak. Leaves longer than the culms, filiform 
gy-gy in. diam. Spike pale, }-din. Utricle lanceolate .» 2 U. tenella. 
Culms 4-9 in., slender, strict. Leaves shorter than the culms, 
filiform, ,~,—3,in. diam. Spike brownish, 3-3 in. Utricles 
conspicuously nerved .. + is a A 
Culms 3-12 in., stout. Leaves flat, grassy, 7,-4in. diam. Spike 
brown or chestnut-brown, 4-lin. long. Ubtricles faintly nerved 4. U. compacta. 
3. U. nervosa. 
Section B. Spike elongated, 1-6 in. long, linear or narrow linear-oblong, more or less 
dense-flowered, continuous. 
Culms 4-12 in., stout, rigid, furnished at the base with brownish 
scales. Leaves exceeding the culms, ;,—§in. diam. ne 
Culms 6-14 in., stout or slender. Leaves shorter than the stems. 
Spike brownish, 1-2 in. Glumes oblong-obovate, usually obtuse 6. U. purpuraia. 
Culms 6-14in,, slender, Leaves flat, grassy, ;—}in. broad. 
Spike pale or green, 14-3in. Glumes oblong-lanceolate, acute 
or acuminate : i By a 34 ; 
Culms 9-20in., slender. Leaves flat, grassy, }-}in. broad. 
Spike 3-6in., linear - elongate. Glumes oblong - lanceolate, 
brownish rn? os e 74 Pe! .. $8 U. australis. 
5. U. fusco-vaginata. 
7. U. caespitosa. 
Section O. Spike 4-4in. long, linear, very slender, lax-flowered, usually interrupted 
towards the base. 
Culms 12-24in., slender. Leaves flat, #4-,in. diam. Spike 
14-5in. Utricles scabrid above .. a o Np 
Culms 9-20in., slender. Leaves usually flat, »,-;, in. diam. 
Spike 11-4 in., green. Glumes shorter than the utricles, in var. 
Banksu barely 4 the length ax ae ma .. 10. U. riparia. 
Red-brown. Culms 6-14 in., rigid. Leaves usually shorter than 
the culms, ,-,,;in. Spike 1-2in., rigid. Glumes nearly as 
long as the utricles 3 “ es pe =i 
Usually red-brown. Culms 12-24in., strict and rigid. Spike 
14-3 in. Glumes oblong-lanceolate, not so long as the utricle 12. U. strictissima. 
Culms 3-12in., slender. Leaves usually shorter than the culms, © © *. 
flat, .-4 in. diam. Glumes brown or chestnut, almost as long 
as the utricle .. i = ¥ =f .. 13. U. rupestris. 
Culms 3-9in., very slender. Leaves usually longer than the 
culms, filiform, »;-y,in. diam. Spike 3-ljin., extremely 
slender. Glumes pale, equalling the utricles fe .. 14, U. filiformis. 
9. U. leptostachya. 
ll. U.. rubra. 
1. U. macrolepis Decne. in Durv. Voy. Pole Sud, Bot. 1 (1853) 13, 
t. 6, fig. A—-Rhizome stoloniferous. Culms 2-9in. high, rather stout, 
smooth, subrigid, erect or curved, obtusely trigonous, leafy towards the 
base. Leaves shorter than the culms or equalling them, flat, grassy, 
pz-7,in. broad; margins scabrid. Spike rather stout, dense, narrow- 
oblong, 4-lin. long; male portion very short, narrow; bract wanting. 
Glumes ovate, obtuse or the lowest subacute, pale whitish-green with broad 
scarious margins, many-nerved on the back. Ubtricles equalling the glumes 
or rather longer than them, ovate-lanceolate, narrowed at both ends, 
triquetrous, nerved, scabrid towards the tip, margins ciliate; bristle 
yellowish, twice the length of the utricle. Nut elliptic-oblong, trigonous.— 
Desv. in Gay Hist. Chile, vi (1853) 2380. U. Sinclairii Boott in Hook. f. 
Handb. N.Z. Fl. (1864) 309; C. B. Clarke in Journ. Innn. Soc. xx (1883) 
394: Kukenth. in Bot. Central. Ixxxii (1900) 99; Cheesem. Man. N.Z. Fl. 
(1906), 799. 
