Steele — Additions to the Flora of Washlngto7i. 69 



vicinity of Manassas, and may therefore be looked for on our southern 

 border as well as in the up-river region, where, as reported by Ward, our 

 only specimen has been found. 

 163. Euonymus Americanus L. 



Common. 1 enter this name in order to note that the E. AmerieamiS! 

 obocatus of \Vard"s Flora is doubtless a mistake, as the true dhontliis is 

 \'ery distinct, and its occurrence here, so far as I know, has not been 

 confirmed. 

 *i76a. Acer pseudo-platanus L. 



Sponianeous along New-cut road in the hollow above Georgetown Col- 

 lege grounds: leaves collected Xo\ember 11, 1900. 



174, Acer saccharum Marsh. (.1 •vv/frA^^/'/z/'/w; of Ward's Catalogue.) 

 A tree of some size, but partially blown over was seen in a ravine at 



Widewater: also a grown tree in a similar condition on Plummer's 



Island. Many seedlings were scattered about the last named locality. 



*i78a. Cardiospermum Haiicacabum \j. 



I)um])ing ground, Eci'Cinglon. July "iS. ISitS. Also later at ditl'erent 



places on the Potomac flats. 



155. Impatiens biflora Wall. [1. fnh-d o\ AVard's Catalogue.) 

 Many specimens with i)inkish and mottled flowers were found growing 



with the ordinary form on boggy ground at Hennings, September 7, 1899. 



172. Vitis rupestris ftcheele. ( V. niliilud of Ward's Catalogue.) 

 Near (ireat Falls and Chain liridge. 



i38f(. Sida hermaphrodita (L.) Kusby. {Sirhi Xapam Ca\-.) 



Potomac Hats, both sides of the raili'oad and near the old fish pond, 

 July 27, ]S9(), and later. 

 i42(f. Hibiscus Syriacus r>. 



Escaped on the groiuuls of I he o\d (jbser\atory l-Iuly 0, 1898), and 

 probably elsewhere. 

 I42r Hibiscus Trionum F. 



Propagates ilself in my yard, where il was planted several years ago. 

 *i42''. Gossypium herbaceum F. 



Waste ground, Potomac tlals. October '17). 19011: several plants with 

 flowers and ripe liolls. 

 129^^ Hypericum densiflorum Pursh. 



A few good plants in the bog one mile north of Ferwyn. .luly 28, 1900. 

 The bushes were about five feet high. 

 133a. Hypericum majus (A. Cray) Frit ton. 



Howard IF 11 reservoir, August 2(5, 189(>. 



80. Helianthemum Canadense (F.) Michx. 



Kenilworth, Suitland, and near Takoma Park. I do not find the 

 species easy to distinguish when in fruit, but the Takoma specimens, 

 the Old}' ones seen in fiower, belonged to //. CioiKdense. 



81. Lechea minor F. 



I have failed to hntl this plant anywhere except at Fakeland, where I 



I 



