10 



BILTMORE BOTANICAL STUDIES 



fine, white, jointed hairs, especially dense at the base of the 

 involucre : radical and basal leaves linear, ^cm^dm long, 2-4 mm 

 wide, the upper cauline similar in outline, but gradually reduced 

 in size ; they are blunt at the apex, sessile, or at the base grad- 

 ually narrowed into margined and sheathing petioles about half 

 the length of the blades : involucres 6 mm -i cm high, the scales 

 about 2 mm wide, acutish and with hyaline margins to near the 

 apex : florets (30—75 or more in a head) io-i2 mm long, pubescent 

 on the outer surface, with no conspicuous throat : pappus scales 

 lacerate f 2-3 mm long : achenes ribbed and hairy : chaff of the 

 receptacle linear, acute or acutish. 



Marshallia ccesjiitosa signata differs from the species in the weaker and 

 very leafy stems, and usually much-branched habit. The extreme forms of 

 variety and species are very distinct. Based on A. A. Heller's No. 1618 from 

 Kerrville, Kerr county, Texas, April 19-25, 1894. 



The following specimens, all from Texas, are referred here : Turtle Creek, 

 W. L. Bray, No. 269 ; Fredericksburg, W. L. Bray, No. 269 s ; Burnet county, 

 F. G. Schaufifi, August, 1892; E. Hail, No. 336; F. Lindhei?ner, Nos. 53 and 

 647 ; S. B. Buekley, no date. — C. D. Beadle and F. E. Boynton. 



Biltmore Herbarium, 

 Biltmore, N. C. 



