38 Holm Additions to the Flora of Washington. 



745. Plantago Patagonica Jacq. var. aristata Gr. 



East Brookland ; around Allentown, Prince George County, Md. The 

 author. Near Fifteenth and W streets. G. H. Hicks. Near Chevy 

 Chase. M. B. Waite. 

 747. Amarantus paniculatus L. 



Near Pierce' s mill. G. H. Hicks. Around Silver Hill, Prince George 

 County. The author. 

 749. Amarantus albus L. 



Near Bureau of Engraving and Printing. G. H. Hicks. 

 *769a. Polygonum Muhlenbergii Watson. 



Potomac flats, opposite the Eighth lock, Maryland. G. H. Hicks. 

 773a. Polygonum tenue Michx. 



Abundant in dry fields, Brookland ; sandy soil near Terra Cotta. 

 J. Krause and the author. 



780. Rumex Britannicus L. 



Potomac flats near Rosslyn, Va. G. H. Hicks. 



781. Rumex verticillatus L. 

 With the preceding. G. H. Hicks. 



800. Euphorbia commutata Engelm. 



Glen Echo. T. H. Kearney, Jr. and G. H. Hicks. 

 843. Quercus ilicifolia Wang. 



Abundant near Laytonsville and Goshen, Montgomery County, Md. 

 George B. Sudworth. 

 901. Habenaria tridentata Hook. 



Near Chevy Chase. G. H. Hicks. North Brookland. The author. 

 904. Habenaria lacera R. Br. 



Terra Cotta swamp. The author. Swamp near Surattsville. J. Krause 

 and the author. 



911. Pogonia ophioglossoides Nutt. 



Sphagnum swamp near Surattsville. W. T. Swingle and M. B. Waite. 



912. Pogonia verticillata Nutt. 



North Brookland ; near Terra Cotta. The author. 

 922. Cypripedium pubescens Willd. 



Blagden's Mill, Rock Creek. R. R. Gurley. Burnt Mills. M. B. Waite. 

 South Brookland. The author. 

 925. Aletris farinosa L. 



Very common around Surattsville. The author. Near Arundel, Md. 

 M. B. Waite. 

 955. Trillium sessile L. 



Island near the Seventh lock. G. H. Hicks. 

 957. Veratrum viride Ait. 



Magnolia Run. L. H. Dewey. Garrett Park. The author. 

 *962a,. Muscari racemosa Nutt. 



Island near the Seventh lock. G.' H. Hicks. 



