Descriptive Flora 



237 



Tetraneuris linearis (Nutt.) Greene. Actinella Daisy. 



Yellow Daisy. 



Perennial plants with 1 to several tufts of narrow leaves out 

 of which rise one to several leafless, usually woolly-hairy stalks, 

 4 to 10 inches long, bearing at the top, solitary, bright yellow, 

 composite flowers, 1 to IV2" across. Leaves simple, fairly rigid, 

 narrow, entire, 2 to 3 inches long, dotted with minute glands. 

 Eays 13 to 23, 3-toothed at their tips. Roots thick, tough, divid- 

 ing at the top into the usually several tufted branches. February 

 to fall. Limestone hills and hillsides of the Edwards Plateau. 



Tetranewris linearifolia (Hook.) Greene. Tallow Weed. 



"Monigoto". 



Flowers similar to the above species but leaves are not tufted 

 near the roots, usually broader and all along the branches. 

 Flowers usually 1 inch or less across. Plants are smaller and 

 being annuals have a comparatively small root system. Lower 

 part of stems and lower leaves woolly. Leafblades linear or 

 broader above the middle, softer than Tetraneuris linearis. 

 Leaves never in tufts close to the roots. Stems branch from the 

 main stem instead of from the top of the root. Dry, rocky soil. 

 Late March to June. 



Laphamiia Mndheimeri A. Gray Bluff Daisy. 



Shrubby, yellow-flowered plants growing in pockets and 

 cracks of vertical walls of limestone rocks. The pendent or 

 spreading stems 8 to 12" long, branch from a thick, woody root. 

 Leaves simple, alternate or opposite. Blades about 1 inch long, 

 ovate, 3-veined at base, few-toothed, dotted with minute glands. 

 Flowers composite, yellow, about y£ across. Rays 3 to 6, rarely 

 more, sometimes none. Disk corollas 4-toothed. March to July. 



Helenium microcephalum DC. Sneezeweed. 



Winged, erect, angular-stemmed, leafy plants, 1 to 2y 2 feet 

 high, branched above and having small globular brown composite 

 flowers with a fringe of small yellow rays that fold back against 



