266 FLORA OF PHILADELPHIA. 



Burlington — Burlington, Moorestown (C). Gloucester — Woodbury 

 (C). Mercer — Princeton (C). Middlesex — New Brunswick (C). Hun- 

 terdon — Lambertville, Eosemont, Hopewell (C). 



Neui Castle — General but rare. 



4. Phlox divaricata L. Wild Blue Phlox. M. p. 758. Rocky, damp 



woods. Spring. 

 Chester — (P.). Z/a?u'asfer— York Furnace. Dauphin — Steelton (Wn.). 



5. Philox subulata L. Ground or Moss Pi7ik. M. p. 759. Dry or rocky 



soil. Spring. 



Bucks — Bedminster (Fr.), Narrowsville (Ja.) (Mac), Neshaminy, 

 Doylestown (VP.), Lahaska (Ws.). Mow/<;o/ner;^— Shannonville (Cr.), 

 Areola (Mar.). Delatvar e—MiM\etown (Fu.) (B. Sm.), Media (Gi.), 

 Elwyn (Pe.), Wawa (Sa.), Ridley Creek above Media, Chrome Run (B. 

 Sm.), Pink Hill near Lima (Wn.). Chester— Phanixviile, Mart. (B. C), 

 Birmingham (Le.) (W. Tr.), West Chester (Pr.). Lancaster — (P.). 

 Le/ii^/i— Low Hill (Kr.). Berfcs— Reading (Me.). Northampton— {P.). 



Burlington — Vincentown, Evansville, Birmingham, Moorestown (C), 

 Cinnaminson (Sts.). Camden — Near Merchantville (Ha.), Blackwood 

 (Je.) (Re.), East Camden (Te.). Giottcesier— Mickleton (He.), Alnion- 

 esson (Je.), Swedesboro (Li.). Hunterdon — Milford, Rosemont (C), 

 Lambertville (Ws.). Monmouth — Red Bank (C). Mercer — Trenton 

 (C). Middlesex— 'New Brunswick (C). 



2. GILIA R. & P. 

 1. GiLiA RUBRA (L.) Heller. M. p. 760. Cultivated and escaped. 

 Cumberland — Manumuskin. 



3. POLEMONIUM L. 



1. PoLEMONiUM REPTANS L. Greek Valerian. M. p. 761. Woods. Spring. 

 Pennsylvania — General. 



Camden — Between Camden and Haddonfield (C). Mercer— Bordeu- 

 town (C). 



Family 4. HYDROPHYLLACEAE Lindl. Water-leaf Family. 



Corolla-lobes convolute in the bud; placentae dilated. 



Stamens exserted. 1. Hydruphyllum. 



Stamens not exserted. 2. Macrocalyx. 



Corolla-lobes imbricated in the bud; placentae narrow. 3. Phacelia. 



1. HYDROPHYLLUM L. Water-leap. 



Leaves, at least the lower, pinnatifid or pinnately divided. 



Calyx not appendaged in the sinuses or scarcely so. 



1. H. Virginicum. 



Calyx with a reflexed appendage in each sinus. 2. H. appendiculatum. 

 Leaves palmately 5-9-lobed. 3. H. Canadense. 



i. Hydrophyllum Virginicum L. M. p. 763. Woods. Summer. 



2. Hydrophyllum appendiculatum Michx. M. p. 763. Woods. Summer. 

 Lancaster — (P.). 



