107 



bunches, the more vigorous plants a foot high or more. It seems that 

 Hooker was aware that the specific name coronata had been previously 

 used, yet he took it up for this plant, and has been followed ever since. 



April ii (1548). 



Coreopsis Drummondii (Don) T. & G. Fl. N. A. 2 : 354 (1842). 

 Calliopsis Drummondii Don, in Sweet's Brit. Fl. Card. Ser. 2, /. 



. . 



This elegant species is common on hilltops about Kerrville, where it 



grows in company with Thelesperma trifidum. 

 May 14 (1730), type locality, Texas. 



THELESPERMA Less. Linnaea, 6 : 511 (1831). 

 Thelesperma simplicifolium A. Gray, Kew Jour. Bot. i : 252 (1849). 

 Cosmidium simplicifolium A. Gray, Mem. Am. Acad. 4 : 86 (1849). 

 Thelesperma subsimplicifolinm A. Gray ; Torr. Mex. Bound. Surv. 



2: 90 (1859). 



Rather common in dry, stony ground at Kerrville, altitude 1650-1800 

 feet. 



May 10 (1728); type locality, Buena Vista, Mexico. 

 Thelesperma trifidum (Poir.) Britton, Trans. N. Y. Acad. Sci. 9: 

 182 (1890). 



Coreopsis trifida Poir. in Suppl. Lam. Encycl. 2: 353 (1811). 

 Thelesperma fi lifolium A. Gray, Kew Jour. Bot. i : 252 (1849). 

 Plentiful on summits of hills in Kerr county, altitude 1900-2000 feet. 

 There is considerable resemblance between this plant and Coreopsis 

 Drummondii except in the color of the flowers, yet they can readily be 

 distinguished when growing side by side. 



April 28 (1665); type locality, North America. 



MARSHALLIA Schreb. Gen. PI. 810 (1789). 



Marshallia caespitosa Nutt. ; DC. Prodr. 5: 680 (1836). 



In stony, dry ground along Town Creek and the Guadalupe, altitude 

 1600-1650 feet, this species is abundant. Flowers pinkish or purplish 

 tinged. 



April 19 (1618) ; type locality, Red river in Arkansas. 



HYMENOPAPPUS L'Her. ; Michx. Fl. Bor. Am. 2: 103 (1803). 

 Hymenopappus artemisiaefolius DC. Prodr. 5 : 658 (1836). 



Scattered, but plentiful near Kerrville, from the lowest elevations to 

 the highest, 1600-2000 feet, but most abundant on the hilltops. 



April 23 (1638); type locality, Texas. 



