178 THE FLORA OF THE ALPS 
Gremli also records the following lowland species (not 
British) as occurring in Switzerland:—C. chordorhzza, 
Ehrh.; resembling zzcurva, but stem much _ longer, 
branched; peat-bogs; Jura. C. drzgoides, L.; resem- 
bling adzstzcha, but spikelets yellowish, less numerous ; 
woods. C. cyperoides, L.; head subtended by two folia- 
ceous bracts, which greatly exceed it in length, fruit with 
a long beak ;. dried-up ponds, very rare. C. Heleonastes, 
Ehrh.; resembling /agofzna, but stem rough, fruit com- 
pressed; peat-bogs. C. pilosa, Scop.; leaves broad, 
ciliate, exceeding the almost leafless stem, root-stock 
stoloniferous; woods, local. C. xztzda, Host.; bracts 
sheathing, the upper one ending in a green point, female 
spikelets dense; dry slopes. C. alba, Scop.; female 
spikelets 1-3, erect, whitish; woods. C. Halleriana, 
Asso. ; lowermost female spikelet springing from close to 
the root, on a very long stalk; rare; Neuchatel, Aargau. 
C. longifolia, Host.; leaves longer than the stem, male 
spikelet thick, clavate; woods, rare. 
Order CI.—GRAMINEZ. 
Stem jointed, usually cylindrical and with hollow inter- 
nodes; leaves alternate, narrow; sheath split, often with 
a ligule at the point of junction with the blade; flowers 
usually bisexual; perianth replaced by brown or green 
scales (glumes and pales); stamens usually 3, with 
slender filament and versatile anther; ovary I-celled, 
with I ovule; stigmas feathery; fruit a caryopsis, the 
seed adnate to the pericarp. The Grasses form a vast 
order, distributed through the entire globe, but there 
are comparatively few Alpine species. 
