CAPPABIDACEAS. 165 



■ware— Valley of Darby Creek (B. Sm.). Cheate r— Hi bbert 's Mill (Pr.), 

 Phanixville (Sa.). Lancaster— (P.). Berks— Beading (Wn.). 

 3. Arams hiesuta (L.) Seop. M. p. 464. Bocks. Summer. 



Bucks— Near Sellersville (Fr.). Chester— Chester Valley (Le.). Lan- 

 caster— York Furnace (Cr.). Berks— Opposite Beading (Wn.). North- 

 ampton— (P.). 



Gloucester— Swedesboro (Li.). Mercer— Hightstown (C). 

 /i. Arabis laevigata (Muhl.) Poir. M. p. 464. Bich wooded hills. Spring. 



( 5. .Arabis Canadensis L. Sickle-pod. M. p. 464. "Woods and ravines. 

 Summer. 



6. Arams glabra (L.) Benin, Tower M.uatard. M- P. 4Q5/-, Bocks and 

 fields. Summer. 

 Delaware — Upper Providence (Pu.). Northampton — Easton, Porter 

 (B. C). 

 Cape May— Cape May Point (C). 

 New Castle— 18th street near Woodlawn, Tatnall and Commons. 



25. EBYSIMUM L. 



1. Erysimum cheiranthoides L. Wormseed or Treacle Mustard. M. p. 

 465. Banks of streams and ballast. Summer. 

 Philadelphia— Old Navy Yard, I. Burk (He.), Germantown (Me.), Gib- 

 son's Point (Mac.), Girard Point (Te.). Lancaster — York Furnace, 

 above Peach Bottom (Pr.). Dauphin— (P.). 



26. ALYSSUM L. 

 1. Alyssum alyssoides (L.) Gouan. M. p. 466. Fields. Summer. 



Philadelphia— Chestnut Hill, C. F. Barker (B. C), Mount Airy (Me.). 

 Delaware— Concord (W. Tr.). Northampton— Easton, Porter (B. C). 



27. KONIGA Adans. 

 1. Koniga maritima (L.) B. Br. Sweet Alyssum. M. p. 466. Occasion- 

 ally escaped. 



28. HESPEBIS L. 

 1. Hbsperis matronalis L. Dajne's Violet, Socket. M. p. 467. Fields 

 and roadsides. Summer. 



Family 3. CAPPARIDACE AE Lindl. Caper Family. 



Pod long-stipitate on its pedicel. 1. Cleome. 



Pod nearly or quite sessile on its pedicel. 2. Polanisia. 



1. CLEOME L. 

 1. Cleome spinosa L. Spider-flower. M. p. 468. Waste places. Summer. 



2. POLANISIA Eaf. 

 1. Polanisia graveolens Eaf. M. p. 468. Sandy and gravelly shores. 

 Summer. 

 Philadelphia — Navy Yard (Te.). Lancaster — York Furnace, Peach 



