168 Rhodora [AuGusT 
Pease 12,442. Mississippi: Star, 18 Aug. 1903, S. M. Tracy 8537; 
Agricultural College, Oktibbeha Co., 11-17 Aug. 1896, C. L. Pollard 
1267.— The following sheets (of which the two latter were labelled 
V. altissima by Mr. Gleason) are similar but have considerably larger 
heads, and probably represent a different form. Mussourt: St. 
Louis, 1846, G. Engelmann; shady banks of Mississippi River, St. 
Louis, Sept., 1842, G. Engelmann; bottoms, Courtney, 2 Oct. 1903, 
B. F. Bush 1906. 
From the description of Vernonia gigantea pubescens Morris,! 
Proc. Biol. Soc. Wash. xiii. 179 (1900), I was inclined to believe that it 
might be identical with the variety here described. Examination of 
the type (U. S. Nat. Herb. 393,253: meadow along Horse & Hound 
Crs., below Baileysville, Wyoming Co., West Virginia, alt. 335-365 m., 
20 Aug. 1900, Morris 1274), made possible through the kindness of 
Mr. P. C. Standley, has shown, however, that such is not the case. 
The stem of this specimen is smooth nearly to the inflorescence, the 
leaves subglabrous or subglabrate above, and beneath rather sparsely 
pubescent with appressed not obviously many-celled hairs. It is 
more or less discolored with bad drying and somewhat covered with a 
grayish mold, and the name given it by Morris may have been derived 
in part from this circumstance. Its pubescence is in fact precisely 
the same as that of the plant here taken, following Nuttall’s descrip- 
tion and Gleason’s monograph, as typical V. altissima Nutt. Morris’s 
plant, however, can scarcely belong to this species, for its phyllaries 
are rather shortly but distinctly caudate-attenuate. If not referable 
to V. glauca (L.) Willd., from which it scarcely differs save in the 
slightly smaller heads and somewhat purplish-tinged pappus, it is 
probably a hybrid of that with some other species.— S. F. BLAKE, 
Gray Herbarium. 
f Vernonia maxima pubescens Morris ex Britton, Man. ed. 1.919 (1901); V. altissima Nutt. 
var. pubescens (Morris) Daniels, Univ. Mo. Studies, Sci. Ser. i. 402 (repr. 260) (1907). 
Vol. 19, no. 223, including pages 113 to 132, was issued 2 July, 1917. 
