96 FLORA OF WASHINGTON AND VICINITY. 



tPyrola rotundifolia, L. Round-leaved Pyrola. 

 Last week in June. 



iMonotropauniflora, L. Indian Pipe. Corpse-Plant. 



June to September. 



tMonotropa Hypopitys, L. Pine-sap. False Beech-dbops. 

 July to October. 



PRIMULACEiE. 



Primrose Family. 



jDodecatheou Meadia, L. American Cowslip. Shooting-Star. 

 Corcorau's Woods; Foundry Run. Second or third week in May. 



t Steironema ciliatum, Raf. ILysimachia ciliata, Li.'\. Loosestrife. 

 June. 



Steironema lanceolatum, Gray. iLysimachia lanceolata, Walt.]. 



Eastern Branch, above Benning's Bridge, between tides. Also intermediate formB 

 leading to the next, above Sandy Landing. First week in July. 



i Steironema lanceolatum, var. hybridum, Gray. (^(Ze Gray). ILysimachia lanceo- 

 lata, Walt., var. angustifolia (not hyhrida!), Gray.] 

 Great Falls, Va. ; also above Sandy Landing, where transition forms connect it 

 with the type. First week in July. 



i Steironema longifolium, Gray. \^LysiinacMa longifolia, Pursh.] 

 Flats below Eads' Mill. Second to fourth week in July. 



tLysimachia quadrifolia, L. Four-leaved Loosestrife. 

 End of May or in June. 



fLysimacbia stricta, Ait. Loosestrife. 

 Last week in June or first week in July. 



Lysimachia nummularia, L. Moneywort. 

 Scarcely escaped. End of May. 



t Anagallis an'e«sis, L. Common Pimpernel. Poor Man's Weather-Glass. 



On rocks under Chain Bridge. Only three specimens found. Also observed by 

 Miss M. A. M'Makiu, at Burke's Station, Fairfax Co., Va., from which place at her 

 request specimens were sent me by Mrs. U. H. Herbert. July to September. 



tSamolus Valerandi, L., var. Americanus, Gray. Water Pimpernel. Brook- 

 weed. 



Chain Bridge (one specimen); mouth of Difficult Run. First half of July. 



EBENACEiE. 



Ebony Family. 



iDiospyros Virginiana, L. Persimmon. 



As regards the fruit at least, there are two quite well-marked varieties, in one of 

 which the fruit ripens nearly a month earlier, is reddish, especially within, and 

 mealy, rendering it very pleasant. In the other later-maturing kind, the frnit, be- 

 sides being larger, is not reddened or mealy, and is far less palatable. Last half of 

 May ; fruit, October and November. 



