142 FLORA OF PHILADELPHIA. 



New Castle — Centerville, Commons; Newark, Canby; Mt. Cuba, Tatnali. 



10. S AGIN A L. Pearlwort. 



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



Plant depressed, spreading, petals present. 1. S. procumbens. 



Plant erect ; petals very minute or none. 2. S. apetala. 



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



1. Sagina procumbens L. M. p. 399. Moist places. Spring and summer. 



Philadelphia — Streets and yards between paving bricks. Northampton 

 — Streets of Bath (P.). 



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

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



New Castle — Quarryvdlle, Commons; Tenth street near Orange; sidC' 

 yard, 1803 Market street, etc. 



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



Buclcs — Near Sellersville (Fr.). Lancaster — (P.). 

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



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



Burlington — Pemberton (Te.). Camden — Glovxcester and ballast (C.). 

 Gloucester— 'Westville (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). 



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

 soil. Spring. 

 Atlantic— X\Aa.\\t\i.' City, Soniers ' Point (C). 



11. ARENAEIA L. Sandwort. 



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

 the number of styles. 1. A. serpyllifoUa. 



A^'alves of the ca]isule entire. 



Leaves densely imbricated, pine-barren species. 2. A. Caroliniana. 



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



1. ARENAiiiA serpyllifolia L. M. p. 400. Sandy waste places. Summeri 



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



New Jersey — Common in pine-barrens. 



3. Arenaria Michauxii (Eenzl.) Hook. f. M. p. 401. Rocks and dry 



wooded banks. Summer. 



Bwc^s— Near Point Pleasant (Fr.), Narrowsville (Li.), below Eiegels- 

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

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



Neui Castle — Serpentine, Christiana Hd., Commons. 



12. MOEHRINGIA L. 



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

 mer. 

 Bucks— B.ook Hill (Fr.). Montgomery— 'Br jn Mawr (Gi.). Delaware 

 —Near State Line (Ta.). Chester— {Y.). Lancaster— (F.). 



