[VoL. 3 
156 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Specimens examined: 
Pennsylvania: Tullytown, Bucks Co., 15 May, 1896, Craw- 
ford (Phil. Acad. Nat. Sei. Herb.) ; Westtown, Chester Co., 
22 June, 1895, Crawford (Phil. Acad. Nat. Sei. Herb.) ; near 
Mt. Hope, іп red sandstone, Lancaster Co., 24 June, 1901, 
Heller (Mo. Bot. Gard. Herb.). 
Maryland: Baldfriar, Cecil Co., 4 July, 1907, Bartram 
(Phil. Acad. Nat. Sci. Herb.) ; Norbeck, 25 June, 1895, Mearns 
(U. S. Nat. Herb.); between Garrett Park and Kensington, 
8 June, 1907, Steele (U. S. Nat. Herb.) ; field above Cabin John, 
7 June, 1908, Steele (U. S. Nat. Herb.) ; dry slopes, Chevy 
Chase Lake, 30 May, 1911, Standley 5983 (U. S. Nat. Herb.). 
Distriet of Columbia: vieinity of Washington, 10 June, 1877, 
and 27 May, 1878, Ward (U. S. Nat. Herb. 131112 in part, and 
131111) ; Queen's Chapel Road, 12 June, 1888, Burgess (U. 8. 
Nat. Herb. and Mo. Bot. Gard. Herb.) ; Garrett Park, June, 
1894, and in open thickets, Brookland, 6 June, 1895, Holm 
(Mo. Bot. Gard. Herb.); Rock Creek Park, 26 May, 1895, 
Pollard 285 (U. S. Nat. Herb.); vicinity of Washington, 25 
May, 1896, Steele (Gray Herb., U. S. Nat. Herb., and Mo. Bot. 
Gard. Herb.) ; wooded side-hill of Piney Branch, Rock Creek 
Park, 27 Мау, 1899, Maxon 140 (U. 5. Nat. Herb.); Chevy 
Chase, 16 May, 1905, House 721 (Mo. Bot. Gard. Herb.); 
Tenallytown, 14 June, 1871, F. Blanchard (Mo. Bot. Gard. 
Herb.). 
Virginia: Fairfax Co., 7 June, 1902, G. S. Miller (U. S. Nat. 
Herb.) ; West End, Fairfax Co., 30 June, 1907, Steele (U. S. 
Nat. Herb.) ; dry woods, Falls Church, 30 May, 1912, Ruth 164 
(U. S. Nat. Herb.) ; open woods, Bluemont, Loudon Co., 31 
May, 1915, Standley 11621 (U. S. Nat. Herb.); dry fields, 
Hampton, 19 May, 1903, G. S. Miller (U. S. Nat. Herb.) ; Rich- 
mond, de Chalmont (U. S. Nat. Herb.) ; near Suffolk, Nanse- 
mond Co., 19 May, 1898, Kearney 1271 (U. 5. Nat. Herb.) ; 
near Branchville, Southampton Co., 12 June, 1893, Heller 958 
(Phil. Aead. Nat. Sei. Herb. and Mo. Bot. Gard. Herb.) ; in 
old fields, vicinity of Belfield, 21 May, 1904, Meyncke (U. S. 
Nat. Herb.); Appomattox, Rumer (U. S. Nat. Herb.) ; pine 
