lU 86. Psamma. 10. GRAMINE^. Plend.ph. 



Psamma arenaria. Sand marram. 



Spike long ; leaves involute, pungent ; roof creeping. 



Giamert sparteum spicatiim foliis niucronatis longioribus, vel spicsl 

 secalina, Raii Syn. 393, 1. 



Spartum Anglicanum, Ger. em. 38. 

 Spartum marinum nostras, Park. 1198. 

 Arundo arenaria, Lin. S. P. 121. 

 Calamagrostis arenaria, With. But. Arr. 123. 

 Ammophilla arundinacea, Host Grain. Austr. 4, 41. 

 Psamma arenaria, Rotm. Sys. Veg. 845. 



Sandy sea-shores ; perennial ; July. 



Roots spreading; culm 4 feet high, stiff, leafy; leaves. 

 upright, spreading, glaucous, very smooth, bald ; sheaths 

 smooth ; ligula long, acute ; panicle 6 in. long ; locustce 

 light glaucous green. 



XLVI. 87. SPARTINA. Schreber. Sea-grass. 



Spathelles alternate, very acute; lower smallest; spa-- 

 thelliiles 2-cut, nicked, toothed, shorter than the spathelles, 

 avk'nless ; lodicule rather truncated, fringed; style very long; 

 stigmata S, villous. — Spike branched; spikelets alternate; 

 locus tcB 1 -sided, sessile, in two rows. 



Spartina stricta. Rmigh sea-grass, 



Spathelles rather longer than the spathellules, keel rather 

 smooth; spikelets adpressed; locustce loosely tiled, upright j 

 leaves convolute, pungent. 



Gramen sparteum, q. Spartum Essexianum, spic^gemina clausa Petiver, 

 Raii Syn. 393, 4. 



Dactylis cynosuroides, Huds. Fl. Angl. 43 ; but not of Linnaeus. 



Dactylis stricta, Solander in Ait. Hort. Kew. 6, 104. 



Limnetis pungens, Persoon Syn. 1,72. 



Spartina stricta. Both N. Beytr. 101, 



Marshy fields at the mouth of large rivers; pei'.; July, Aug. 



Root creeping ; culm upright, 2 feet high, not branched, 

 stiff, very snioom ; leaves stiff, upright ; sheaths long, very 

 smooth, shuiing, very close to the culm, upper partly en- 

 closing the lower spikelet; ligula very short; spikelets 2y 

 hairy, soft; spathelles mostly mucronate below the tip. 



(3. triplex. Spikelets three. 



XLVII. 88. VILFA. Adanson. Bent. 



Spathelles alternate, not notched, rather longer than the 

 spathellules, lower largest ; loiuer spathellide S-cut, toothed, 

 acute or ending in a bristle ; upper 2-cut ; lodicide acute ; 

 stamens (1 to) 3; style 2-parted, short; 5/ i^ma/a villous; 

 cariopsis free, not furrowed. — Panicle branched, more or 

 Jess contracted or effused ; peduncles semiverticillate. 



