859. 
861. 
— 
PLANTAE LINDHEIMERIANAE, 173 
AMBLYOLEPIS SETIGERA DC. L. 302. New Braunfels. 
May 1850 
“‘Muskit prairies, 12 mi. S. W. of New Braunfels.”—Pl. Wright. 
1121. 
AMBROSIA APTERA DC. L. 109. Comanche Spring. 
Aug. 1849, (428). 
A. apTeRA DC. L. 533? New Braunfels. July 1851? 
A. aprerA DC, L. 484. (New Braunfels). Nov. 1850. 
A. ARTEMISIAEFOLIA L. var. PANICULATA (Michx.). L. 
171. Comanche Spring. Oct. 1849. A. paniculata 
Michx. 83. 
A very slender, smoothish, widely branching form with leaves 
less divided than in A. artemisiaefolia L., the segments “ae Ts 
lanceolate to linear: sterile racemes Iscuate- flowered and h 
small (2 mm.): fruit small, with inconspicuous lateral pie 
A well-marked variety approaching A. glandulosa Scheele. Linn 
223 157 
A. ARTEMISIAEFOLIA L. var. PANICULATA (Michx.) L. 
502. (New Braunfels). Sept. 1850. 
A. psttostacHya DC. L. 145. San Antonio. Sept. 
1849. 
An unusually large coarse form, 6-9 dm. high, with strigose 
pubescent leaves and segments relatively few and long lanceo- 
onrieheasenats sterile racemes elongated and heads about 3 mm. 
A. PsILosTACHYA DC. var. LINDHEIMERIANA (Scheele). 
L. 390. New Braunfels. Sept. 1850. (429). A. 
Lindheimeriana Scheele. Linn. 22:156. A. coro- 
nopifolia T. & G. var. Gray, Pl. Lind. 2:226. 
Leaves in these specimens vary considerably in pubescence and 
dissection. A well-marked variety. 
AMPHIACHYRIS DRACUNCULOIDES Nutt. L. 474. (New 
eet Oct. 1850. (422). 
OSTEPHUS RAMOSIssIMus DC. L. 233. (New 
Braunfels), July 1850. (414). 
A. SKIRROBASIS Trelease. L. 254. (New Braunfels). 
May 1850. (111). 
865. A. skKrrRopasis Trelease. L. 549. (New Braunfels). 
May 1851 
