fruit with lanceolate acuminate-cuspidate calyx-lobes shorter than 
the bracelets. — E. Vii'ginianum Torr. & Gray, FI. i. 005, in part. 
In tide swamps, N. Carolina to Georgia. FI. August. 
7. E. Floridanum C. & R. Bot. Gazette, xiii. 140. Erect, 
2 to 8 feet high: lower leaves narrowly oblong . (1 to 4 inches 
long), mostly entire, on long jointed petioles (sometimes a foot 
long): upper ones becoming sessile, elongated-linear, usually 
lemotely serrulate: braets linear-lanceolate, rigid, sharp-pointed, 
entile or spiny-toothed, reflexed, longer than the subglobose heads: 
biactlets linear, rigid, entire, tapering to a pungent tip, much 
longer than the flowers: fruit with short ovate acute calyx-lobes 
and very long rigid styles. 
Brackish marshes, Florida Distributed as E, prcBaltVjm awd 
E Mettaueri, ■ ^ 
This is the only species of the group that has entire bractlets. Most 
of the herbarium specimens labelled E. Mettaueri are this species, which 
can be easily separated from the former by its entire bractlets. 
^ ^ ^ W^eaker : leaves toothed to laciniate (^sometimes 
spinosely tipped^: westet'fi species {^except E. virgattimi) 
8. E. virgatum Lam, Diet. iv. 757. Erect, 1 to 3 feet high, 
branching above: leaves oblong or oblong-ovate, often subcordate, 
on short petioles; lov/er one entire or crenately toothed ; upper ones 
becoming sharply serrate or even laciniately toothed: bracts linear 
and entire or with a few bristly teeth, longer tlian the subglobose 
heads; bractlets ecpially 3-cuspidate, little longer than the flowers: 
fruit with lanceolate acuminate calyx-lobes and long rigid styles. 
Damp pine barrens, from N. Carolina to Florida, and westward to 
Louisiana and Texas. 
Certain Louisiana specimens become narrower-leaved than the type, 
and merge gradually into the extreme foim, 
Var. Ludovicianum Morong in lift., which has linear-lan- 
ceolate or even linear leaves. — E. Ludovicianum Morong, Bull. 
Torr. Bot. Club, xiv. 51. 
Barrens of Louisiana {Lmiylois, etc ) and Texas ( Wright, Neatly). 
9. E. armatum C. & R. Bot. Gazette, xiii. 141. Diffuse, 
branching throughout, a foot or so high (sometimes quite tall): 
radical leaves oblanceolate (sometime broadly so), from serrate to 
spinose-dentate or incised, attenuate into a short more or less mar- 
