294 62. PLXTMBAGIITACKa). 



corymbose top. Spikes short ; spikelets densely imbricate. 

 Fl. purplish. — ^. S. serotina (G. &Gr.) ; pan. lax much spreadinp;. 

 %. U. B. 1157. — Muddy salt marshes. ^. Southern coast. P. 

 VlL— IX. E. S. 



2. 8. Bahusien'sis (Fries) ; 1. oblong'-lanceolate stalked mucro- 

 nate l-ribbed faintly veined, st. slightly angular usually branched 

 from below the middle panicled, spikelets 1 — 3-flo-wered uni- 

 lateral rather distant forming lax erect or incurved spikes, cal.- 

 segments acute denticulate, outer bract pointed keeled on the 

 back.S. rarijlm-a, Drej. E. B. S. 2917.— St. 6—18 in. high, 

 not corymbose, much branched below. Spikes long ; spikelets 

 often 1-flowered, not imbricate. Fl. purplish. — Muddy salt 

 marshes. P. VK. VHI. E. S. I. 



** L. not pinnately veined. Cal.-segm. without interm. teeth. 



3. S. Dodart'ii (Gir.) ; 1. obovate-spathulate naiTOwed into a 

 broadly winged stalk 3-veined below, st, rigid with thick but 

 not sterile branches, spikelets 2 — 4-flowered densely imbricate 2- 

 ranked forming linear thick suberect spikes, cal.-segments blunt 

 entire. — Si/. E. B. 1160. — St. usually not branched in its lower 

 half ; branches often simple, short. Inner bracts obovate, very 

 blunt, with white margins or slightlj' pink. Fl. purple. Anth. 

 linear. — Rocky shores. Portland. Senslowl P. VII. VIII. 



E. 



4. S. ocddentdlis (Lloyd) ; 1. lanceolate-spathulate rather acute 

 narrowed into a long winged stalk obscurely S-veined below, 

 scapes slender wavy forked branched from near the base,/ej(j 

 lowest branches sterile, spikelets 2 — 4-flowered imbricate 2-ranked 

 forming linear slender suberect spikes, cal.-segments blunt entire 

 without intermediate teeth. — S. binervosa G. E. Sm. E. B. S. , 

 2663. — St. usually branching quite from the base ; branches re- 

 peatedly forked, long, often rough. Inner bracts oval with broad 

 membranous edge, deeply tinged with pink. Anth. oval. — /3. 

 intermedia (Syme) ; all the branches flowering, spikelets stouter. 

 —Rocky shores. P. VII. VIII. E. S. I. 



5. 8. cas'pia (Willd.) ; 1. obovate or lanceolate-spathulate 

 narrowed into a petiole, st. branched from near the base granular- 

 rough, branches many slender repeatedly and acutely fo^-ked upper- 

 most alone bearing dense terminal spikes of 2 — 3-flowered 2- 

 ranked spikelets, cal.-segments ovate cuspidate denticulate. — 8. 

 reticulata Sm. JE. B. 328. — Remarkable by its much divided 

 sterile branches which fork at an acute angle. L. small. — 

 Muddy sea-shores of Norf., and atFrieston, Line. P. VII. VIII. 



E. 



