10. GRAMINEiE. 42. Nardus. 87 
PL end . ph. 
2. Locust (R dissimilar , enclosed in its proper 
receptacle . Polythalama, 
A. yte’s whole , pointed , nor toothed; glumes often 
unequal , inserted alternately. 
a. Axis androgynous ; locust ce l -flowered . 
N^ut. flow, remote; spathelle 1; her m. flow. 
E eduncled; loiver spathellule with a bristle 
elow the apex . Chrysurus. 70. 
A. HoRDEACEiE. Rachis spiked; spikelet solitary, in 
pairs, or many, 1 or many-flowered ; glumes opposite, equal ; 
lower spathelle bearded or awnless ; upper spathelle 2-keeled ; 
styles 2. 
I. 42. NARDUS. Theophrastus. Mat grass. 
Glume 0 ; spathellules 2, oblong, convolute ; lower spa - 
thellule awlshape; styles and stigmata simple, hairy; ca- 
riopsis free, furrowed. — Rachis toothed, spiked; spike sim- 
ple, filiform; locustce 1-rowed. 
Nardus strict a, Stiff mat grass. 
Spike setaceous, straight, 1-rowed, 
Gramen sparteum juncifutiura, Raii Syn. 393, 2. 
Spartum nostras, parvum Lobclio, Ger. em. 43. 
Spartum pai vum, Bafavicum et Anglicum, Parle. 1199. 
!Nardus stricta, Lin. S. P. 77. 
Small matweed. 
Moist sandy heaths; perennial; July. 
Culm bent at top, 6 in. high, stiff, rather angular, smooth; 
leaves radical, closely tufted ; spike terminal, single, slender, 
II. 43. OPHIURUS. Gsertner. Snaketail. 
Glume cartilaginous, half immersed in a hollow of the 
rachis, longer than the glumelles ; glumelles membranous, 
hyaline; ovary rather naked, cordate ; stigmata feathered. 
— Rachis jointed, toothed, spiked; spike simple, awlshape; 
culm branchy. 
1. Ophiurus incurvatus. Bent snaketail . 
Spike round, awlshape, incurved; spathelles adpressed; 
1 -flowered ; leaves flat ; floscules awnless, 
iEgilops incurvata, Lin. S. P. 1491. 
Agrostris incurvata. Scop. FI. Cam. 1, 62. 
Rottbollia incuryata, Lin. Supplem , 114. 
Sea hqrd grass. 
