TENNE8S13E EtORA. 129 



APIUM L. 



Apium Petroselinum L. Common or garden parsley;, Cul- 

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

 gust. 



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

 places. May-July. M. 



ZIZIA Koch. 



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

 Gray. ^ 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. W-ater hemlock. Musquash root. 

 Along streams. O. S. July. M. 



DERINGA Adans. (Cryptotaenia DC.) 



Deringa Canadensis (L.) Kuntze. Cryptotajnia Canadensis 

 DC. Housewort. 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, May. 



PTILIMNIUM Raf: (Discopleura DC.) 



Ptilimnium capillaceum (Michx.) Hollick. Mock bishop 

 weed. A single plarjt found in Nashville. July. 



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

 Damp woods east of Cleveland, Bradley County. July. 



HYDROCOTYLE L: 



Hydrocotyle umbellata L. Marsh pennywort. Ditches 

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



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



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

 June. 



