CACTACEAE. 229 



Mercer — Trenton (C.)- /Somerset — Liberty (Jorner (C.)- Hunterdon — 

 Locktown, Lambertville, Eaven Rock (C). 

 £2. Viola Rafinesquii Greene. M. p. 640. Woods and fields. Earlj 

 spring. 



Viola odorata L. Sweet-scented Violet. M. p. 638. Cultivated 



and escaped. Spring. 

 Viola tricolor L. Pansy, Heart 's-ease. M. p. 640. Escaped 

 from cultivation. Spring. 



2. CUBELIUM Rat. 

 1. Cubelium concolor (Forst.) Raf. Green Violet. M. p. 640. Moist 

 woods. Spring. 

 Philadelphia— Byherry, Mart. (B. C), Robinson 's Knoll. Bucks— (P.). 

 Montgomery — Peneoyd (Te.), Green Lane (VP.). Delaware — Wawa, 

 Swarthmore, Glenolden (U. C. S.), Concord (W. Tr.). C/f ester— Willis- 

 town (Pr.). Lanca.ster—Coiiestoga, A. A. Heller (B. C), York Furnace 

 (St.). Le/n^/i— Lehigh Mountain, about 2 acres of it (Kr.): Northamp- 

 ton—Bethlehem, E. A. Eau (B. C). 



Hunterdon— MiUoTd, Bull's Island (St.). 



New Castle — Mount Cuba, Ashland, Brandywine Creek, Shelpot Creek. 

 Not rare. 



Family 6. PASSIFLORACEAE Dumort. Passion-flower Family. 



1. PASSIFLORA L. Passion-flower. 



Leaves deeply 3-5-lobed ; lobes serrate ; petals whitish ; corona purple. 



1. P. incarnata. 

 Leaves obtusely 3-lobed above the middle, the lobes entire ; flower yellowish. 



2. P. lutea. 



1. Passiflora incarnata L. M. p. 641. Cultivated. Early summer. 



Delaware — Media, naturalized, Dr. Geo. Smith (Fu.). 



2. Passiflora lutea L. M. p. 641. Thickets. Early summer. 



Lancaster— Safe Harbor (Pr.), island opposite Whittaker 's (Br.). 



Order 20. OPUNTIALES. 



Family 1. CACTACEAE Li ndl. Cactus Family. 

 1. OPUNTIA Mill. 

 1. Opuntia Opuntia (L.) Coult. Prickly Pear, Indian Fig. M. p. 644. 

 Sandy fields and dry rocks. Summer. 

 Philadelphia — Wissahickon above Thorp's Lane (VP.). Lancaster — 

 Island at Peach Bottom (Ca.). 

 New Jersey — Common. 



Order 21. THYMELEALES. 



Leaves green; seed pendulous. Fam. 1. Thymeleaceae. 



Leaves silvery-scurfy; seed erect. Fam. 2. Elaeagnaceae. 



