1916] Hervey, — Variants of Aster Herveyi L83 



minutely erose-serrulate above; the first 1-1.5 mm. long, obscurely 

 L-nerved, rather narrowly ovate, tapering to an acute tip; the second 

 2-2.5 mm. long, obscurely 3-nerved, ovate, acute, the mid-nerve often 

 minutely scabrous above: lemmas 2.o -3 mm. long, broadly ovate, 

 rather abruptly narrowed to an acute or acutish tip, firm in texture 

 below, hyaline and erose-serrulate above, pubescent toward the base, 

 obscurely 5-nerved: palea about equalling the lemma, lanceolate, 

 slightly narrowed to the fimbriate-emarginate tip, scabrous on the 

 nerves above, ciliate below: anthers in dried specimens 1.5-1.8 mm. 

 long (somewhat longer when boiled out and perhaps in fresh material), 

 purple: immature grain 1.6 mm. long. — "Saskatchewan" and Assini- 

 boia to Wyoming and eastern Oregon. "Saskatchewan": Bour- 

 geau, 1858. Assixihota: salt marshes, Cypress Hills, July 31, 1880, 

 John Macoun. Wyoming: Little Laramie River, 1897, T. A. Williams, 

 no. 2201. OREGON: in alkaline alfalfa, meadows, Grande Ftonde 

 Valley, 930 m. alt., June 30, 1908, Cuskk, nos. 3269 and 3271 (the 

 latter TYPE in Gray Herb.) 



In the character of its inflorescence and in its large anther resembling 

 P. Lemmoni, but lacking the dense basal tufts of involute-setaceous 

 leaves which seem to be characteristic of that species and differing 

 further in its pubescent lemma and glabrous raehilla. In /'. Lemmoni 

 the lemma is glabrous, but the callus pubescent and the raehilla of the 

 spikelets is more or less pubescent or scabrous. 

 East Hartford, Connecticut. 



VARIANTS OF ASTER HERVEYI. 



E. Williams Hervey. 



In examining a number of specimens of Aster Herveyi, the writer 

 discovered some forms differing from the described type especially in 

 the size and shape of the leaves, which varied from broadly ovate, 

 acute at tip, and rounded or slightly heart-shape at base to ovate- 

 lanceolate or lanceolate; some even tapering at base info a more or 

 less margined petiole. The broader leaf-form resembles Aster macro- 

 phyllus and is found most abundant in its neighborhood. The nar- 

 rower leaf-form is found in dryer soil where Aster spectabilis is more 

 common. These two- forms often are so similar to the above species 

 as to be scarcely distinguishable. .1. macrophyllus and .1. spectabilis 

 are usually found in the vicinity of .1. Herveyi. The same root of .1. 



