280 FLORA OF PHILADELPHIA. 



2. Kobllia Virginiana (L.) MacM; M. p. 801. Dry fields and thickets. 



, Summer. 



3. Koellia vbrticiijLATA (Michx.) Kuntze. . M. p. 801. Dry fields and 



thickets. Summer. 



Bucks — Bristol (Fr.). Lancaster — (P.). Northampton — Easton, 

 Porter (B. C). Dauphin— (P.). 



Camden— Ancora (Li.), Lindenwold (VP.). Gloucester— Washington 

 Park (VP.). Atlantic— Elwood '(C), Egg Harbor (Li.). Monmouth— 

 Freehold (C). 



New Castle — Greenbank, Commons. Frequent. 



4. Koellia clinopodioides (T. & G.) Kuntze. M. p. 801. Dry soil. Late 



summer. 

 Bucks— Point Pleasant (Fr.). Delaware— Valley of Darby Creek (B. 

 Sm.). Lancaster— McGall's Ferry (Ca.). Berks— (P.). Northampton 

 —Easton, Porter (B. C). 



Giowcesier^Swedesboro (Li.). -Hunterdon— Milltown (C). 

 ['New Castle— Swayne Station, W. & N.' Railroad, Cariby. 

 6. Koellia aristata (Michx.) Kuntze. M. p. 801. Dry pine-barrens. 

 Summer. 

 Ocean— Waretown (C). 



6. Koellia incanA (L.) Kuntze. M. p. 802. Dry thickets. Autumn. 



7. Koellia mutica (Michx.) Britton. M. p. 802. Sandy soil. Summer. 



25. THYMUS L. Thyme. 



1. Thymus Serpyllum L. M..,p. 8P2, Qld fields and roadsides. Summer. 



26. CUNILA L. Dittany. 



1. Cunila origanoides (L.) Britton. M. p. 803. Dry woods. Late sum- 

 mer. ' "■' 



27. LYCOPUS L. Water Horehound. Bugleweed. 



Calyx-teeth 4 or 5, ovate, shorter than the nutlets. 



Leaves mostly ovate, usually purple; tyase of stem not tuberous. 



1. L. Virgimicua. 

 Leaves mostly lanceolate to oblong; base of stem tuberous. 



2. L. communis. 

 Calyx-teeth mostly 5, lanceolate or subulate, longer than the nutlets. 



Bracts minute ; corolla twice as long as the calyx. 



Leaves sessile. 3. L. sessilifolius. 



• '< Leaves narrowed into a manifest petiole. 4. L. rubellus. 



Bracts lanceolate or subulate; corolla not twice as long as the calyx. 



Leaves pinnatifid or deeply ; incised. 5. L. Americanos. 



Leaves ovate, coarsely dentate. 6. L. Europaeus. 



1. Lycopus Virginicus L. M. p. 803. Shady, moist places. Summer. 



2. Lycopus communis Bicknell. M. p. 803. Moist soil. Late summer. 



Lancaster— (P.) . Northampton— (P..) . 



3. Lycopus sessilifolius A. Gray. M. p. 804. Pine-barrens. Summer. 



Lancaster— (P.) . 

 . : Burlington— Batsto (C), Atsion.; Gloucester— Near Mickleton (He.), 

 Swedesboro (Li.). Salem— Penn's Grove (C). Atlantie-^Neax Green- 



