386 CXLIII, CYPERACEA. [ Lepidosperma. 
Serres III. essit tems flat or very slightly convex on one or both sides with 
acute edges, 1, 2 or rarely "3 ges broad. Panicle compound, short and dense, dio 
pyram c ovate or ‘heres oblong, the branches or partial spikes sessile or nearly so int 
cluster 
Glumes Amey. acuminate, Eastern species . 9. L. concavum, 
Outer glumes obtuse or kamoddy z mucronate. " Western 
Ei eH £30. 4X. haee 
Yum floresce: e of L. concavum sometimes xe appli that of the Flor Meer 
an that o of L. ipd, Enn that of L. augustatum, but the stems os different.) 
Serres IV. Ste achyze.— Stems either broad and very flat and thin, or ph 
bed sobre slightly a iiv on one or both sides or angular. Panicle narrow, loose 
elongat. 
Stems meeps on the edges by a fine brown line often 
Bola Seiya resinous exudations, Leaf-sheaths 
Spikclete wit with 1 lbarren flower. Glumes acute or acu- 
€ 3 to 6 lines b t, the margins :: 
de es broad, very flat, the 11. Z. Drummondii. 
Stems 1 1 go 1i lines broad, the sides often slightly à 
convex, the margins con . 12. L. Brunonianum. 
Stems 13 to 3 sf 
s là aen im^ den Bro margins ‘resinous 13.5, eulos 
Spikelets with 1 aire flower. Outer glumes obtuse 14. L. resinosum. 
Spikelets with 2 or 3 barren flowers. Glumes rather 
acu’ . 15. L. viscidum. 
Stems not resinous j4 to 2 or rarely 2 lines broad 
Stems — 1 is broad, os € both sides but with 
te edges. Western specie 16. L. costale. 
joni Msg flat a to 22 tinai Dresd with very acute 
species 17. L. laterale. 
pm p but Feria thick, 1 to 2 lines broad, ‘the 
e scarcely acute. Eastern species. 
Panicle coke ES or interrupted. Inner bracts 
a e. Glumes acutely acuminate 18. L. congestum. 
parem Te septa rupe Spikelets in small 
Panicle slender. Spikelet Biy 
Cometae aids the stem, e obe E pecu 
ves none, rep by shea thin iced 260. . 21. Le aa 
Stoma j to lines broad Nat or an : 
. 19, L. globosum. 
Panicle bran ed, — oes guter dense, 1 to 12 ; 
in, ae Wes . 22, L. gracile. 
Panicle — been hs Ja simple spike with distant ; 
spikelets, Eastern spec: . 23, L. semiteres. 
mene i ; aid 
Em rese a slender, terete or —M or slightly 
... 94. L. pulisquameum. 
Panicle very dense, ovoid, under 1 in. long 
Sede ee xg rrt with 
Panicle rather 
erect or £ 
Spikelets 3 s Tines lng or scit more. Stems smooth, 
Spikelets about 2 Tines Tong” -iv pecies 
Stems strong strate and usualy s sonbrons ; o... 96. L. scabrum. 
Stems smooth, scarcely striate , E 0. , 27. L tenu. 
2895. T. canescens. 
