FLend.ph, 10. GR AMINE JE. 42. Nardus. 87 



2. LocustcB dissimilar^ each sort enclosed in its proper 

 receptacle. Polythalama, 



A. ^xis whole, not pointed, nor toothed; glumes often 

 unequal, inserted alternately. 



a. Axis androgynous ; locuslce \-flowered. 



Neuf.Jlow. remote; spathelle 1; herm.Jlow. 

 ped uncled; lower spaikellule with a bristle 

 below the ape^j: Chrysurus. 70. 



A. HoRDEACEiE. Racfiis spiked; spikelet solitary, in 

 pairs, or many, 1 or many-flowered ; glumes opposite, equal ; 

 lower spathelle bearded or awnless; iipper spathelle 2-keeled ; 

 styles 2. 



I. 42. NARDUS. Theophrastus. Matgrass. 

 Glume Q; spnlheUules 2, oblong, convolute; lower spa- 



ihellule awlshape; styles and stigmata simple, hairy; ca-' 

 riupsis free, furrowed. — Rachis |;oothed, spiked; spike sim- 

 ple, filiform; locustce 1-rowed. 



Nardus stricta. Stiff matgrass. 



Spike setaceous, straight, 1-rowed. 



Grair.en sparteani juncifolium, Rait Syn. 393, 2. 

 Spartum nostras, parvum Lobelio, Ger. em. 43. 

 Sparfum parvum, Batavicum et Anglicum, Park, 1199. 

 Iflardus stricta, Lin. S. P. 7T. 

 Smalt matweed. 



Moist sandy heaths; perennial; July. 

 Cidm bent at top, 6 in. high, stiiF, rather angular, smooth; 

 leaves radical, closely tufted ; spike terminal, single, slender. 



II. 43, OPHJURUS. Gsertner. Snaketail. 

 Glume cartilaginous, half imniersed 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. Ophiurm incvrvatus. Bent snaketail. 



Spike round, awlshape, incurved ; spathelles adpressed ; 

 1 -flowered ; leaves flat ; Jloscules awnless. 



.ffigilops incurvata, Lin. S. P. 1491. 

 Agrostris incurvata. Scop. Fl. Cam. I, 62, 

 RottboUia incurvata, Lin. Supplem. 114. 

 Sea h{^rd grass. 



