EUPHOBBIACEAE. 211 



Philadelpida — Byheiry, Mart. (B. (J.), Allen's Lane near Township 

 Line (Je.)- ^wcis— Springfield (Fr.). Delaware — On Serpentine, New- 

 town, Dr. Geo. Smith (B. Sm.), Chad's Ford (Te.). C/ies^er— Coatesville, 

 H. E. Stone (B. C), Westtown (VP.). Lancaster— {T.). 



New Castle— Wilmington (He.), MeCuUough's, Tatnall; Adams, Canhy; 

 Centerville, Cominons. 

 lOo. POLYGALA Senega latifolia T. & G. M. p. 584. Rocky soil. Spring. 



New Castle — Mount Cuba, Dixon 's. Commons. 



11. POLYGALA POLYGAMA Walt. M. p. 585. Dry, sandy soil. Early sum- 



mer. 

 Philadelphia — (P.) . 

 New Jersey — Common in the pine-barrens, especially near the coast. 



12. PoLYGALA PAUCIFOLIA Willd. M. p. 585. Moist, rich woods. Early 



summer. 



Bucks — Near Quakertown (Fr.). Montgomery — Green Lane (VP.). 

 Chester — (P.). Lancaster — Pleasant Grove (Ca.), Octoraro Creek south 

 of Christiana (St.). BerAs— Hamburg (Cr.). Lehigh— Bine Mountain 

 in Lynn (Kr.). Northampton — (P.). Dauphin — (P.). 



lfo?imoMf/i— Freehold (C). -Somerset— Peapack, Raritan (C). 



Neiv Castle — Mount Cuba. 



Family 8. EUPHORBIACEAE J. St. Hil. Spurge FamUy. 



Flowers not in an involucre, with a true calyx. 



Ovules 2 in each cavity of the ovary. 1. Phyllanthus. 



Ovules 1 in each cavity of the ovary. 



Plants clothed with stellate pubescence or scales. 



Ovary and dehiscent capsule 2-4-celled, mostly 3-celled. 



2. Croton. 

 Ovary and capsule 1-ceIled, achene-like. 3. Crotonopsis. 



Plants variously pubescent, with simple hairs. 4. Acalypha. 



Flowers in an involucre, the calyx represented by a minute scale at the base 

 of the filament-like pedicel. 5. Euphorbia. 



1. PHYLLANTHUS L. 

 1. Phyllanthus Carolinensis Walt. M. p. 586. Gravelly banks. Sum- 

 mer. 

 Chester— {V.). Lancaster— York Furnace, Peach Bottom (Br.). 



2. CROTON L. 

 1. Croton glandulosus L. M. p. 586. Ballast. Spring to winter. 

 Philadelphia— Old Navy Yard (B. C). 

 New Castle — A single plant at New Castle, Commons. 



3. CROTONOPSIS Michx. 

 1. Crotonopsis linearis Michx. M. p. 587. Dry, sandy soil. Summer. 

 Bucks — Bristol, Mart. (B. C). Z^eiaware — Tinicum, T. C. Palmer 

 (Fu.). 



Burlington— Taunton (Br.), Atsion (Le.), Batsto (Re.). Camden — 

 Kirkwood, Lindenwold (Br.). Gloucester — Woodbury (C). Atlantic — 

 Hammonton (Cr.) (Je.), Pleasant Mills, Dr. J. B. Brinton (He.). Ocean 

 — Manchester, Southwark (C). 



