94 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Encelia tenuis. A very slender plant with puberulent and spar- 

 ingly hispidulous stems, nearly naked above and producing few-headed 

 panicles : leaves mostly opposite, deltoid-ovate, subcordate, 4 to 7 cm. 

 long, coarsely and irregulai'ly dentate, scabrous on both surfaces, on short 

 slender petioles, subtended by connate suborbicular foliaceous appen- 

 dages : involucre oblong-cylindrical, 9 mm. high, with 2 or 3 series of 

 puberulent and ciliate lance-acuminate bracts, the outer series much 

 shorter than the inner : rays 8 or 10, sulphur-yellow, 5 mm. long : bracts 

 of the receptacle silky-villous, especially along the backs and toward the 

 acuminate tips : akenes obcordate-ovate, 5 mm. long, appressed-silky, 

 awnless. — Rather scarce on the edge of a cornfield, Acapulco, Novem- 

 ber, 1894 (no. 96). 



BiDENS REFRACTA, Brandegee, Zoe, i. 310. Two plants found in a 

 shady river bottom, November, 1894 (no. 205). 



