224 



GRAMINEAE. 



VOL. I. 



4. Spartina gracilis Trin. Inland Cord-grass. Fig. 541. 



. gracilis Trin. Mem. Acad. St. Petersb. (VI.) 6: 110. 

 1840. 



Culms i-3 tall, erect, simple, smooth. Sheaths 

 overlapping, those at the base of the culm short and 

 crowded; ligule a ring of short hairs; blades i long or 

 less, I "-3" wide, flat or involute, attenuate into a long 

 tip; spikes 4-8, i'-2 r long, appressed, more or less 

 peduncled ; spikelets 3"--)." long ; outer scales acute, 

 scabrous-hispid on the keel, the first half the length 

 of the second; third scale obtuse, slightly shorter than 

 the second and about equalling the obtuse palet. 



In saline soil. Saskatchewan to British Columbia, south 

 to Kansas and California. Slender Cord-grass. Aug.-Sept. 



5. Spartina stricta (Ait.) Roth. Smooth or Salt Marsh-grass. Fig. 542. 



Dactvlis maritiina Walt. Fl. Car. 77. 1788. Not 



Curt. 1785. 



Dactylis stricta Ait. Hort. Kew. i : 104. 1789. 

 Spartina stricta Roth, Neue Beitr. 101. 1802. 

 Spartina alterniflora Lois. Fl. Gall. 2: 719. 1807. 

 Spartina glabra Muhl. Gram. 54. 1817. 

 Spartina stricta alterniflora A. Gray, Man. Ed. 2, 



552- 1856. 

 Spartina stricta maritiina Scribn. Mem. Torr. Club 



5: 45. 1894. 



Culms i-9 tall, erect, simple, smooth. Sheaths 

 overlapping, those at the base shorter and looser, 

 much crowded ; ligule a ring of short hairs ; 

 blades up to 2 long, 2 "-7" wide at the base, in- 

 volute, at least when dry ; spikes 3-5, erect or 

 nearly so, i'-2' long, or slender and 3 '-5' long; 

 spikelets 6"-8" long, loosely to rather densely 

 imbricated ; empty scales acute or acutish, 

 i -nerved, the first shorter than the second, which 

 exceeds or equals the third which is glabrous or 

 pubescent; palet longer than the third scale. 



Very variable. Common, in some one of its 

 forms, along the coast from Maine to Florida and 

 Texas. Also on the coast of Europe. Spart-grass, 

 Twin Spike-grass, Low Creek-stuff. Creek-sedge or 

 -thatch. Aug.-Oct. 



58. CAMPULOSUS Desv. Bull. Soc. Philom. 2: 189. 1810. 

 [CTENIUM Panzer, Deutsch. Akad. Muench. 1813: 288. pi. 13. 1814.] 



Tall pungent-tasted grasses, with flat or convolute narrow leaves and a curved spicate in- 

 florescence. Spikelets borne pectinately in two rows on one side of the flat curved rachis, 

 i-flowered. Lower 4 scales empty, the first very short, hyaline ; the second, third, fourth 

 and fifth awned on the back, the latter subtending a perfect flower and palet, the uppermost 

 scales empty. Stamens 3. Styles distinct. Stigmas plumose. Grain oblong, free, loosely 

 enclosed in the scale. [Greek, in allusion to the curved spike.] 



Seven known species, four of them American, the others in the eastern hemisphere. Type 

 species : Chloris monostachya Michx. 



