TENNESSEE FLORA. 23 



Sau^iiinaria Caiiadeiisis L. Over the whole State in rich 

 soil. April-May. 



FUMARIACE^E. 



Dieeutra Cucullai'ia DC. In leaf mould, shady ravines. Har- 

 peth hills near Nashville. April. 



D. Canadensis DC. Cumberland mountains. Grab Orchard, 

 etc. May. 



D. eximia DC. Only on Dow river, Carter Co., but there 

 abundant. June-July. 



Adlmnia cirrhosa Raf. In the valley of Dow river, along 

 narrow gauge railroad, leading to Craneberry iron works, abun- 

 dant. 



Corydalis flavula DC. Woods and thickets, Nashville, 



C. glauca Pursh. Mountain gorges on Dow river. East 

 Tenn. August. 



CRUCIFER.E. 



Nasturtiuui offlcinale R. Br. Springs and brooklets. East 

 and Middle Tenn. April-May. Indigenous. 



N. lacustre Gray. Swamps of Tennessee and Cumberland 

 rivers. (Johnsonville). July. 



N. sessiliflorum R. Br. Wet meadows and ditches. Common. 

 May-August. 



N. Arinoracia Fries. Horseradish. In cultivation, and here 

 and there near gardens. 



Leavenwoi'thia Michaiixii Torr. Cedar glades. Middle Tenn. 

 Lavergne. April-May. 



*L. tonilosa Gray. n. sp. First collected in 1865 in vicinity 

 of Vanderbilt University grounds. Abounds about Nashville 

 and over the cedar glades of Middle Tenn. April. 



* Leavenuorthia turulosa Gray. Silique linear, conspicuously torose; 

 style fully equalling the breadth of the silique ; seeds broadly oval, nar- 

 rowly winged ; radicle nearly transverse, strictly applied to the edges of 

 the colyledons at the base on one side; petals purplish with a yellowish 

 spot towards the claw. Either stemless or caulescent, ascending from a 

 spreading procumbent base, with several sometimes ultimately forking 

 pedicels. Generally 4-5, but large specimens sometimes 9 inches high, 

 and spreading over a square foot of ground. The fre^h herbage has the 

 taste of water-cress and is well adapted for twble use. Vide Bot. Gaz., 

 March, 1880. 



