CARDUACEAE 1175 
the outer bracts often ovate, acute, the inner longer and broader, broadest above the mid- 
dle, abruptly pointed, ciliolate: achenes 4-4.5 mm. long: pappus-bristles pale, not 
plumose. 
In sandy soil, Louisiana. Summer. 
21. Laciniaria Náshii Small. Stems slender, 2-5 dm. tall, hirsute, simple. Leaves 
relatively few ; blades narrowly linear, the lower ones 10-15 em. long, petioled, the upper 
much reduced, erect, sessile, passing into the bracts: racemes 5-10 cm. long, very narrow : 
involucres cylindric, 8-10 mm. high ; bracts ovate and acute to oblong-cuneate or linear- 
cuneate and acuminate, sometimes abruptly so, all viscid, glandular-punctate : achenes 2.5 
mm. long, minutely pubescent: pappus-bristles barely barbellulate. 
In pine lands, Manatee, Florida. Summer and fall. 
22. Laciniaria Halei Small. Stems 6-9 dm. tall, simple or sparingly branched, gla- 
brous or nearly so. Leaves various, the lower with linear blades 1-2 dm. long, the upper 
blades narrowly linear, much shorter than the lower, not ciliate at the base: heads short- 
peduncled or nearly sessile, in interrupted racemes: involucres becoming narrowly turbi- 
nate, 7-9 mm. high ; bracts ovate-lanceolate to oblong-lanceolate, oblong or cuneate, acu- 
minate, ciliolate, rigid: achenes3.5-4 mm. long, closely pubescent : pappus-bristles plumose. 
On prairies, Louisiana. Summer. 
23. Laciniaria Boykínii (T. & G.) Kuntze. Stems 3-6 dm. tall, nearly glabrous. 
Leaves relatively few ; blades narrowly linear, 5-15 cm. long, punctate, much reduced and 
acerose above the middle of the stem : heads numerous in a strict spike-like raceme: invo- 
lucres cylindric, 10-12 mm. high ; bracts lanceolate to linear, erect, acuminate, the inner 
with light pink scarious tips and margins: achenes 3-3.5 mm. long, pubescent: pappus- 
bristles plumose. 
In dry or sandy soil, Georgia. Summer. 
24. Laciniaria acidóta (Engelm. & Gray) Kuntze. Stems 3-6 dm. tall, glabrous. 
Leaves numerous ; blades linear-filiform, 3-15 em. long, acute, commonly glabrous: heads 
usually numerous, in dense strict spikes: involucres cylindric, 1-1.5 cm. high; bracts 
lanceolate to linear-lanceolate or oblong-lanceolate, acuminate or cuspidate-acuminate, 
glabrous or nearly so: achenes 7-8 mm. long, quite pubescent : pappus-bristles short-plumose 
On prairies, Texas. Summer. 
25. Laciniaria punctata (Hook.) Kuntze. Stems 2-8 dm. tall, sometimes tufted. 
Leaves numerous; blades linear to almost acerose, 2-12 cm. long, acute, punctate, some- 
times sparingly ciliate: heads usually very numerous, in dense partiallv leafy-bracted 
spikes and racemes: involucres cylindric or oblong, 1-1.5 em. long ; bracts ovate to oblong 
or oblong-cuneate, short-acuminate to cuspidate, lanuginose-ciliate : achenes 5-6 mm. long, 
somewhat pubescent : pappus-bristles plumose. 
On plains and prairies, Saskatchewan to Minnesota and Montana, south to Texas and New Mexico. 
Summer and fall. 
26. Laciniaria tenuifdlia (Nutt.) Kuntze. Stems 6-12 dm. tall, scape-like, glabrous 
or nearly so. Leaves numerous, especially on the lower part of the stem ; blades linear- 
filiform, 5-25 cm. long, or shorter above, where they are much reduced and scattered : 
spikes or racemes slender: involucres 5-7 mm. high; bracts ovate to ovate-oblong, linear 
or oblong-cuneate, acute or acutish, or the inner mucronulate glabrate, the outer keeled : 
achenes 3 mm. long, densely pubescent : pappus-bristles minutely barbellulate. 
In dry pine lands, North Carolina to Florida. Summer and fall. 
27. Lacinaria laevigata (Nutt.) Small. Stems 6-10 dm. tall, scape-like. Leaves 
mainly basal; blades narrowly linear, 1-4 dm. long, lustrous, abruptly reduced and few 
above the base of the stem: spikes or racemes rather stout: involucres 7-10 mm. high ; 
bracts ovate to oblong or linear-oblong, glabrous, the inner mucronulate at the apex, not 
keeled, usually purple: achenes 4 mm. long, densely hirsute: pappus-bristles minutely 
barbellulate. 
In low pine lands, Florida. Summer and fall. 
28. Laciniarla Garberi (A. Gray) Kuntze. Stems 3-6 dm. tall, hirsute-tomentose. 
Leaves rather numerous ; blades narrowly linear, 5-15 cm. long, or shorter above, glabrate 
in age: heads not contiguous, in narrow racemes : involucres 6-7 mm. high ; bracts lanceo- 
late to oblong or oblong-cuneate, the outer acute, the inner mucronulate, glandular- 
pee and gland-tipped, ciliate, slightly squarrose: achenes 3-3.5 mm. long: pappus- 
ristles minutely barbellulate. 
In sand, Tampa, Florida. Fall. 
29. Laciniaria pycnostáchya (Michx.) Kuntze. Stems solitary or clustered, 6-15 
dm. tall. Leaves numerous ; blades linear or nearly so, 2-6 dm. long near the base of the 
