142 FLORA OF PHILADELPHIA. 



New Castle-^Genterville, Commons; Newark, Canby; Mt. Cuba, Tatnalt. 



10. SAGINA L: Pearlwort. 



Parts of the flower in 4's (or some of the flowers in 5's)'.' 



Plant depressed, spreading, petals present, 1. S. procwmb<ens. 



Plant erect; petals very minute or none. 2. S. apefalq,, 



Parts of the flower in 5 's. 3. S. decumbens. 



1. Sagina procumbbns L. M. p. 399. Maoist places. Spring and summer. 



Philadelphia— Streets and yards between pavjng bricks, Northampton 

 — Streets of Bath (P.). 



Ca mden— Streets and ballast, Camden (C). Monmouth— Asbury Park 

 (Te.). Mercer— Streets, Princeton (C). 



New Castle— Quarryvjljft pomynonp; Tent]^, ftreet near Orange; side- 

 yard, 1803 Market street, etc. 



2. Sagina apetala Ard. M. p. 399. Dry soil. Early summer. 



Bucks— Near Sellersville (Fr.). Lancaster— (J?.). 

 Burlington— Hanover (C). Camden— Ballast (C). 



3. Sagina decumbens (Ell.) T. & G. M. p. 399. Dry soil. Spring. 



BwrUngton— Pemberton (Te.). Camden— Gloucester and ballast (C). 

 Gloucester— Westvilje (Wn.). Salem— Mouth of Game Creek (C). Cape 

 May— Wildwood (He,) (Li.). Atlantic— Egg Harbor, Dr. J. B. Brinton 

 (He.) (Sts.), Atlantic City, May's Landing (C), Hammonton (W. Tr.). 

 Monmouth— Deal (C.J. 



3a. Sagina decumbens Smithii (A. Gray) S. Watson. M. p. 399. Damp 

 soil. Spring: 

 Atlantic— Atlantic City, Somejrs' Point (C). 



11. ARENARIA L. Sandwort. 



Valves of the capsule 2-clef t or 2-toothed, sometimes appearing as if double 

 the number of styles. 1. A. serpyllifolia. 



Valves of the capsule entire. 



Leaves densely imbricated., pinerbarren species. 2. A. C,arolinip,na. 



Leaves fascicled in the axils. 3. A. Michauxti. 



1. Aeenaria serpylljeolia L- M, p. 400. Sandy, waste places. Summer. 



2. Arenaria Caroliniana Walt. M. p. 401. Dry sand. Summer. 



New Jersey — Common in pine-barrens. 



3. Arenaria Michauxii (Fenzl.) Hook. i f . , M. p. 401. Bocks and dry 



wooded banks. Summer. 



Buclcs— Near Point Pleasant (Fr.), Narrowsville (Li.), below Riegels- 

 yille (Ws,). Montgomery— Ivy Rock. Chester— West Chester, Mart. (B, 

 C.) (He.) (Pr.). Lancaster— (P.). Northampton- r (P.). 



New Castle— Serpentine, Christiana Hd., Commons. 



12. MOEHRINGIA L. 

 1. Moehringia lateriflora (L.) Fenzl. M. p. 402. Moist places. Sum- 

 mer. 

 BucTcs— Rock Hill (Fr.). Montgomery -^Bryrn. Mawr (Gi.). Delaware 

 —Near State Line (Ta.). Chester— (P0- Lancaster— (P.). 



