FLOKA OF WASHINGTON AND VICINITY. 99 



tPhlox subulata, L. Moss-Pink. Gkound-Pink. 

 Great Falla. April, May. 



Polemonium reptans, L. Creeping Greek Valerian. 



Eock Creek below Piiiey Branch; also found at Falls Churct by Professor Chick- 

 ering. First of May. 



HYDROPHYLLACEiE. 



Waterleaf Family. 



tHydrophyllum Virginicum, L. Waterleaf 

 Early leaves spotted. Last half of May. 



tERisia Nyctelea, L. 



Not common. May. 



tPhacelia Purshii, Buckley. 



Larkspur Island. Discovered May 23, 1877, by the Rev. Thomas Morong ; Pim- 

 mitt Run (Professor Chickering). 



Phacelia parviflora, Pursh. 

 Pimmitt Run. May. 



BORRAGINACEiE. 



Borage Family. 



t Cynoglosaum officinale, L. Common Hound's-Tongue. 



Both white and pink iiowered; not common. Last of May to middle of June, 



t Cynoglossum Virginicum, L. Wild Comfrey. 

 Middle of May. 



t Echinospennum Virginicum, Lehm. ICynoglossum Morisoni, DC] Beggar's LiCE» 



Middle of July. The large and very distinctive radical leaves, not sufficiently 

 observed, should be collected early in June. 



tMertensia Virginica, DC Virginian Cowslip. Lungwort. 

 April, May. Pure albinos common. 



t Myosotis palustris, With. Forget-me-not. 

 May. 



Myosotis laxa, Lehm. [M. palustris, With., var. laxa, Gray.] 

 May. 



Myosotis arvensis, Hoffm. Field Scorpion-Grass. 

 Last half of May. 



Myosotis verna, Nutt. Spring Scorpion-Grass. 



May. 



t Lithospermum arrewse, L. Corn Grom well. 

 April. 



t Lithospermum canescens, Lehm. Hoary Puccoon. Alkanet. 

 Near Langley. Only one specimen found, May 27, 1877. 



