Plante Lindheimeriane. 929 
(643.) Acrinomeris (AcuxrA) Wricutt, Gray, Pl. 
Fendi. p. 85. Upper Guadaloupe, at Pinta’s Crossing, on 
rocky soil, in open woods. June.— Plant 1—3 feet high, 
with few branches and heads, rigid. 
T ConEorsis Drummondin, Torr. & Gray, Fl. 9. p. 345. 
Bottom woods near Victoria. February. 
T C. tincrorra, Nutt. ; Torr. & Gray, l. c. Margin of 
woods and praries, Comale Creek; common. July. — The 
plant, No. 441, noticed under 397, in Pl. Fendleriane as C. 
tinctoria, is not that species, but C. cardaminefolia, DC., 
which species we have also in cultivation, from Texas. 
435. BIDENS curysantuemoiwes, Michr.; Torr. & Gray, 
Fil. 2. p. 359. Banks of streams, New Braunfels. October. 
436. Lırocnæra Texana, Torr. & Gray, Fl. 2. p. 357. 
Naked hills and margin of woods, New Braunfels and Upper 
Guadaloupe. June — September. — Ray-achenia three-angled, 
more or less three-winged; the conspicuous wings of the 
lateral angles confluent at the summit ; the ventral wing nar- 
row, dilated at the summit. Achenia of the disk narrowly : 
two-winged at the apex. Awns fragile, thickened at the base 
and united with the confluent, firm, chaffy scales. 
(644.) Hymenatnerum Wricutu, Gray, Pl. Fendl. p. 89. 
Sandy soil, in Post-Oak woods, on the Pierdenales. June. 
437. (646.) AGASSIZIA, Gray & Engelm. 
Capitulum globosum, multiflorum, radiatum ; ligulis fcemi- 
niis nunc difformibus. Involucrum. disco brevius, circa biseri- 
ale; squamis exterioribus lineari-oblongis appendicula spathu- 
lata vel obtusa foliacea patente instructis, intimis lineari- 
acuminatis. Receptaculum globosum, alveolatum; alveolis 
valde dentatis fimbrilliferis. Ligule cuneate, palmato-3 — 4- 
fidze, sepe irregulares seu tubuloso-difformes, vestigia stami- 
num gerentes. Corolla disci Gaillardize, dentibus triangulari- 
lanceolatis. . Styli rami ligularum lineares, subulato-apiculati ; 
fl. disci ad basin appendicis brevissimze nude clavato-obtusce 
penicillati! Achenia turbinata, sericeo-villosissima. Pappus 
30 
JOURNAL B, S. N. H. nam 
