420 JUNCEJE. [Luzula. 



than the stem, usually copiously hairy. Cymes very variable ; clusters sub- 

 sessile, or on long drooping branches. Flowers £ in., pale or dark; bracte- 

 oles ciliate. Seeds with no terminal crest. — Distrib. Europe (excl. Greece), 

 all temp, and cold regions. 

 L. campes'tris proper ; usually short, clusters usually 3-4-fld., seeds subglobose. 

 — Var. L. erec'ta, Desv. (Z. multiflo'ra, Lej. ; Z. conyes'ta, Lej.) ; larger, 

 stouter, cymes more contracted, flowers more in a cluster, perianth-segments 

 narrower, filaments longer, capsule narrow, seeds oblong with a shorter 

 basal appendage.— Most frequent on heaths. 



5. Ii. spica'ta, DC. ; leaves slender, cymes drooping dense-fld. 

 spike-like, bracteoles silvery, perianth-segments awned exceeding the 

 broad ellipsoid apiculate capsule, seeds with an obscure white basal 

 appendage. 



Mts. of N. Wales, "Westmoreland, and from Perth and Stirling to Shetland ; 

 alt. 1,000-4,300 ft. ; fl. July. —Rootstock densely tufted; stolons short. 

 Stems 6-12 in., slender. Leaves much shorter than the stem, small, hairy on the 

 sheaths chiefly, coriaceous, recurved, narrow, channelled ; cauliue few, short. 

 Cymes f-1^ in., shorter than the leafy bracts. Flowers £ in., usually shorter 

 than the scarious transparent ciliate awned bracteoles. Seeds oblong. — 

 Distrib. Arctic and Alpine Europe, N. Asia, Himalaya, N. America. 



6. I». arcua'ta, Swartz ; dwarf, leaves short, cymes umbelled, branches 

 few outer slender recurved, perianth-segments acuminate exceeding the 

 broadly ovoid apiculate capsule, seeds with an obscure basal appendage. 

 High alps of Aberdeen, Banff, Inverness, and Sutherland, alt. 3,000-4,300 



ft. ; fl. July. — Rootstock creeping, loosely tufted ; stolons slender. Stems 

 1-4 in., rather stout. Leaves coriaceous, sparingly hairy, narrow, recurved, 

 channelled. Cymes lax, outer branches 1-2 in., 1-3-fld. Flowers % in., 3-5 

 in a cluster, dark chestnut; bracteoles lanceolate, acute, not silvery. Seeds 

 small, oblong. — Distrib. Norway, Arctic regions. 



Order LXXXII. eriocaulone'a. 



Perennial, scapigerous herbs. Leaves chiefly radical, often cellular, 

 sheaths narrow. Flowers minute, usually monoecious, in involucrate 

 heads, bracteate. — Male. Perianth membranous or scarious, outer of 2-3 

 free segments ; inner a2-3-lobed tube. Stamens 2-3, inserted on the tube 

 opposite its lobes, with sometimes alternate perfect or imperfect ones, 

 filaments inflexed in bud ; anthers fixed by the back, 2-celled, bursting 

 inwards. Ovary rudimentary. — Female. Perianth inferior, persistent, 

 outer as in the male, inner of 2-3 petals or pencils of hairs. Staminodcs 

 0. Ovary of 2-3 connate carpels ; style short, terminal, persistent, stig- 

 mas 2-3 slender ; ovules solitary and pendulous from the top of each 

 cell, orthotropous. Capsule membranous, 2-3-celled, loculicidally 2-3- 

 valved. Seed pendulous, testa coriaceous, epidermis hyaline splitting into 

 hairs, albumen floury ; embryo outside and at the base of the albumen 



