FLORA OF WASHINGTON AND VICINITY. 69 



tSteUaria pubera, Michs. Great Chickweed. 



This plant flowers early in April, bearing large showy flowers on long peduncles 

 from small plants with ovate leaves 2^<:m to 3i<=™ long. These plants then go to 

 seed and drop down, while new shoots from the same root spring up at the end of 

 May, becoming much larger than the early ones, and bearing large obovate oblong 

 leaves S*^"* to 13<=™ long. These secondary plants are usually sterile, but frequently 

 bear a few flowers at the summit ; these are very small and on short peduncles,, 

 more or less concealed among the upper leaves. 



tStellaria longifolia, Muhl. Long- leaved Stitchwort. 

 May or June. 



tArenaria serpyllifolia, L. Thyme-leaved Sandwort. • 

 Late in May. 



Sagina apetala, L. Pearl WORT. 



First Lock. Not seen since May 23, 1877, when it was discovered by the Rev- 

 Thomas Morong. Locality now exhausted. 



Sagina decumbens, Torr. & Gray. [5. suhiilafa, Gray's Manual.] 

 Rare, around dwellings in the city. Latter part of May. 



tLepigonum rubrum. Fries. ISpergtdaria rubra, Fresl, var. camiJestris, Graj-I Sajjd 

 Spurrey. 

 Chiefly found in the streets of the city, with the habit of MoUugo verticillata. 

 May or Juue. 



ILLECEBRACEiE. 



Whitlow-wort Family. 



tAnychia dichotoma, Michx. Forked Chickweed. 

 Dry woodlands; not common. July or August. 



Anychia dichotoma, Michx., var. capillacea, Torr. Slender Forked Chickweed. 

 July. 



Paronychia dichotoma, Nutt. Whitlow-wort. 



Among the roc*ks at Little Falls. Middle of September to middle of October. 



PORTULACACEiB. 



Purslane Family. 



tPortulaca oleracea, L. Purslane, or "Pussley." 

 End of June. 



t Cla3rtonia Virginica, L. Spring Beauty. 

 End of February to middle of March. 



HYPERICACE^. 



St. John's-wort Family. 



tAscynim Crux-Andreae, L. St. Andrew's Cross. 

 July to September. 



tAscynim stans, Michx. St. Peter's-wort. 



Found in one spot two miles above Bladensburg, in a swamp, in fruit, October 

 20, 1878. Probably flowers in August. 



