Tennessee Floka. 129 



APIUM L. 



Apium Petroselinum L. Common or g-arden parsley. Cul- 

 tivated in kitchen gardens, and sometimes escaped. July, Au- 



A, graveolens L. Celery. Cultivated, escaping into waste 

 places. 3*1 ay- July. M. 



ZIZIA Koch. 



Zizia aurea (L.) Koch. Thaspium aureum var. apterum A. 

 Grav. Golden meadow^ parsnip. Rocky glens and hillsides. 

 O. S. May. 



Z. Bebbii (Coult. & Rose) Britton. Mts. of E. Tenn. May. 



Z. cordata (Walt.) DC. Thaspium trifoliatum var. apte- 

 rum A. Gray. O. S. May, June. 



CARUM L. 



Carum Carvi L. Caraway. Adventive from Europe, some- 

 times appearing in fields, near dwellings. May-July. M. 



CICUTA L. 



Cicuta maculata L. A\'ater hemlock. Musquash root. 

 Along streams. O. S. July. M. 



DERINGA Adans. (Cryptotaenia DC.) 



Deringa Canadensis (L.) Kuntze. Cryptotasnia Canadensis 

 DC. Houseworl. Low, damp woods. O. S. June, July. 



SPERMOLEPIS Raf. (Leptocaulis Nutt.) 



Spermolepis divaricatus (Walt.) Britton. Leptocaulis div- 

 aricatus DC. Occasionally found in pastures. Nashville. 

 April, yiay. 



PTILIMNIUM Raf. (Discopleura DC.) 



Ptilimnium capillaceum (Michx.) Hollick. Mock bishop 

 weed. A single plant found in NashviHe. July. 



P. Nuttallii (DC.) Britton. Discopleura Nuttallii DC. 

 Damp woods east of Cleveland, Bradley County. July. 



HYDROCOTYLE L. 



Hydrocotyle umbellata L. Marsh penfiywort. Ditches 

 near Hyde's Ferry, Nashville. June-September. 



H. Americana L. Folk County, E. Tenn. June-September. 



H. ranunculoides L. fil. Tullahoma Creek, Coffee County. 

 June. 



