Luzula.|  - JUNCACEAE, 301 
PY. Lau. 15a. Atk 7 ey 
; 3. LUZULA DC. 32 . Qrenrnre. Soe: Ria. 
Perennial herbs, usually tufted. Leaves grass-like, mostly radical, more @ a5 | 
or less ciliate with long flexuous white hairs. Flowers small, crowded in s% | | 
small fascicles or placed singly, the fascicles or single flowers arranged In an 2 4 
irregularly branched simple or compound umbel or cyme, sometimes ee ee 
contracted into a globose or spiciform head, each flower with a bract 
and 2 bracteoles. Perianth-segments 6, glumaceous, distinct. Stamens 6, 
hypogynous or the 3 inner attached to the base of the segments ; filaments | 
- filiform; anthers oblong or linear. Ovary sessile, 1-celled ; style filiform . 
with 3 long stigmatic lobes; ovules 3, erect from a short basal placenta. . 
Capsule 3-valved. Seeds 3, or fewer by abortion, globose or ovoid; testa 
minutely reticulated. 
Species about 65, most plentiful in the temperate portions of the Northern Hemi- 
sphere, also found on the mountains of the tropics. The Australian and New Zealand 
species are all very near to the protean L. campestris, and are so highly variable as to ‘ 
present an almost inextricable series of closely allied forms. . 
* Small, 1-2 in. high, formiay compact cushion-shaped masses. 
Stems much shorter than the leaves and concealed by them. 
Flowers pale oe oe se ss ee e. It a Colensoi. 
Stems about equalling the leaves. Inflorescence simple. Peri- 
anth-segments lanceolate, acute 23 sa if 
Stems exceeding the leav Tnflorescenc lly simpl 
Stems exceeding the leaves. Inflorescence usually simple. 
Perianth-segments subulate, acuminate, dark-chestnut with 
2. L. micrantha. 
very narrow margins... a yi 4 .. oo L. pumila. 
Stems exceeding the leaves. Inflorescence usually compound. 
Perianth-segments ovate-lanceolate, acuminate, with broad : 
white margins .. ae ie he Li .. 4. L. Cheesemanis. ) 
** Stems often densely tufted but never forming cushion-shaped masses. 
Small, slender, 1-4in. high. Inflorescence a terminal solitary 
3-8-flowered head. Stamens 3... at at .. &. ZL. leptophylia. 
Variable in size, 4-18 in. Leaf-tip obtuse, often callous. Inflor- 
escence jax or contracted, many-flowered .. G: .. 6. ZL. campesiris. 
Usually from 6 to I4in. Leaf-tip subulate, acute. Inflorescence 
of dense spikes congested into a pyramidal head .. 7. L. Traversit. 
Stems 4-Sin. Leaves 14-2hin. Margins and back covered 
with entangled white woolly hairs; tip subulate, acute. In- 
florescence of a single ovoid-globose head 8. L. ulophylla. 
1. L. Colensoi Hook. f.. Handb. N.Z. Fl. (1864) 293.—Small, moss-like, 
densely tufted, nearly glabrous, forming rounded cushions 1-3 in. across. 
Stems very short. Leaves much longer than the stems, 1-3 in. long, subulate, 
tapering from a broad sheathing base to an obtuse tip, rigid and coriaceous, 
channelled in front, convex on the back, glabrous above the middle, margins 
of the sheath and lower part of the leaf sparingly ciliate. Inflorescence of 
2 to 6 few-flowered fascicles compacted into a dense head concealed among 
the leaves; lower bracts leafy, exceeding the flowers; remainder small, 
white, membranous, lacerate. Flowers about ;y;in. long. Perianth- 
segments equal, ovate-lanceolate, acute or subacute, chestnut-brown with 
pale membranous margins and tips. Stamens 6, from slightly shorter to 
slightly longer than the segments. Capsule almost equalling the perianth, 
ovoid-globose, trigonous, red-brown. Seeds ferruginous, obliquely ovoid.— 
Buchen. Monog. June. (1890) 145; Pflanzenr. Heit 25 (1906) 96; Cheesem. 
Man. N.Z. Fl. (1906) 734; ZU. N.Z. Fl. un (1914) t. 2044, 
