2 LUZ UIEA SD: G: 
A. Inflorescence subeymose slightly compound; flowers solitary; leaves somewhat 
webbed at the base; seeds with large caruncles (Pterodes Griseb.). 
Aw Garunclestal cates mri eee ements ie it Mle) sheild L. pilosa. 
i, Chinn GR goa ns end poo da tb cb tos om Oe oD S L. rufescens. 
B. Inflorescence subcymose, very compound, flowers solitary or 2—3 together; 
leaves glabrous; seed with a small warty caruncle (Anthelaea Griseb.). 
a. 25—60 cm. high; leaves 6—10 mm. broad; bracts entire; anthers longer 
nein We WETS: 5 Gi 2 6 vole pee 6 0 ao dd ole oro don ¢ L. parviflora. 
b. 10—25 em. high; leaves 3—5 mm. broad; bracts fimbriate, anthers shorter 
Wntiay (ae EMIS 55 ooeo ns eaoon oe cot nooo L. Wahlenbergii, 
C. Flowers crowded into clusters, forming spikelike or umbelloid inflorescences 
(Gymnodes Griseb.). 
a. Leaves channelled (seldom flat, cfr. L. arcuata A), narrow. 
1. Clusters forming a somewhat nodding spike-like inflorescence, sepals 
acuminate sbristle-pomtedses cia emsnemey oboe tel (ita heed hes L. spicata. 
2. Clusters forming an umbelloid or capitate inflorescence, sepals acuminate, 
NO ters Lle=pOMLeC www emt aie nloh NCE Mine React fe ort L. arcuata. 
b. Leaves flat. 
1. Leaves broadly linear-lanceolate, glabrous or very sparingly ciliated, 
Anthersshorter than’ ‘the filaments). 3 005 we 5 0 = L. nivalis. 
2. Leaves linear, long ciliated. 
+ Densely czspitose, clusters on erect branches. Anthers as long as 
Wie MEMOS oss ao od avian chs mod eam oo ool L. multiflora. 
++ Loosely czespitose and with short stolons, exterior branches of the 
inflorescence often arching. Anthers longer than the filaments 
L. campestris. 
58. L. pilosa (L.) Willd. 
Ledeb: Fl. Ross. IV p. 215. 
Cespitose. Stem erect 10—12 em. high. Basal leaves about 
as long as the stem, broad, flat, with few long hairs at the margin 
and webbed at the base. Stems with 2—4 shorter leaves. Panicle 
subeymose, slightly compound, upper branches reflexed. Sepals 
lanceolate acute, chestnut-coloured on the back, white membranous 
at the margins, shorter than the broadly ovate mucronate capsule. 
Seed with a large, falcate caruncle. 
Am.: Kotzebue Sound. 
Geogr. area: Northern North America, North and Central Europe, 
Caucasus, West Siberia. 
59. L. rufescens Fisch. 
Trauty. Pl. Sib. bor. p.116; Fl. Kolym. p. 563. 
Very like the preceeding species. Plant slender, leaves gene- 
rally narrower, flowers paler. Sepals as long as the capsule. Seed 
with a large erect caruncle. 
As.: Mouths of the Lena and Kolyma. 
Geogr. area: East Siberia, Kamchatka, Saghalin, Japan. 
