268 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



LIMNANTHACEAE. 

 FALSE MERMAID FAMILY. 



FLOERKEA Willd. False Mermaid. 



Floerkea proserpinacoides Willd. (like Proserpinaca, the Mer- 

 maid-weed). 

 Rare. Damp shaded ground: North Haven (A. H. 



Graves), Orange (Fames & C. C. Gadfrey), Oxford (G. H. 



Bartlett), Southbury (Harger). May. 



ANACARDIACEAE. CASHEW FAMILY. 



RHUS L. Sumach. 



Rhus typhina L. (like Typha, the Cat-tail). 

 Rhus hirta Sudworth. 

 Staghorn Sumach. 



Occasional. Open fields, thickets and fence-rows. June. 



The bark and berries have properties similar to those of 

 Rhus glabra. 



Rhus glabra L. (smooth). 

 Smooth Sumach. 



Frequent or common. Pastures and roadsides, usually in 

 dry ground. June. 



Sometimes forms troublesome colonies by its running root- 

 stocks. The leaves and bark are sometimes used in tanning. 

 Galls found on its leaves are very astringent and are used as 

 a substitute for the imported galls. All species of the genus 

 are handsome, especially in their autumnal foliage, and the in- 

 nocuous species are particularly ornamental when grown in 

 suitable places. 



Rhus copallina L. (producing copal). 

 Dwarf, Black or Shining Sumach. 



Occasional, frequent or common. Pastures and rocky 

 woods. July — Aug. 



The bark and leaves have properties similar to those of 

 Rhus glabra. 



Rhus Vernix L. (varnish). 

 RJ]iis venenata DC. 

 Poison Sumach, Dogwood or Elder. 



