130 CARYOPHYIyLACEAE 



2. Sagina apetala Ard. SMALt-FLOWERBD PearlworT. (Man. p. 

 399 ; I. F. f. 1495- ) In dry soil in woods and fields, Mass. to N. J. and 

 Pa. Native of Eu. — Pennsylvania : I/ANCASTER ; Bucks. 



3. Sagina deoumbens (Ell.) T. & G. Decumbent Pearlwort. 

 (Man. p. 399; I. F./. 1496.) In dry soil, eastern Mass. to III., south to 

 Fla., Mo. and I,a. — Pennsylvania : PhiladEI,phia. 



10. ARENARIA L. 



Capsule opening by twice as many valves as there are styles. 



I. A. serpyllifolia. 

 Capsule opening by as many valves as there are styles. 



Sepals acuminate : leaves rigid, subulate. 2. A. Michauxii. 



Sepals obtuse : leaves herbaceous or fleshy. 3. A. Groenlandica. 



1. Arenaria serpyUlfolia L. ThymE-LEavEd Sandwort. (Man. p. 

 400 \ l.'P. f. 1499 ) In dry or rocky places, throughout eastern N. Am., 

 extending across the continent. Nat. from Eu. — Pennsylvania : Mon- 

 roe ; Northampton ; Bucks ; Montgomery ; Phii,adei,phia ; Dela- 

 ware ; Chester ; Lancaster ; Franklin ; Huntingdon ; Columbia ; 

 Allegheny. 



2. Arenaria Michauxii (Fenzl.) Hook. f. Rock Sandwort. (Man. 

 p. 401 ; I. F. 7^ ZJ06. ) In dry, rocky places, Ont. and Vt. to Va., west 

 to Wis. and Mo. — Pennsylvania: Northampton; Bucks; Montgom- 

 ery ; Chester ; Lancaster. 



3. Arenaria Groenlandica (Retz. ) Spreng. Mountain Sandwort 

 OR STarworT. (Man. p. 401 ; I. F. /. /509.) On dry rocks, Lab. and 

 Greenland to N. Y., Conn., the mountains of southern N. Y. and Pa., 

 and on the higher Alleghanies of Va. and N. C. — Pennsylvania: 



Monroe. 



11. MOEHRINGIA L. 



1. Moebringia lateriflora (L. ) Fenzl. Blunt-leaved Sandwort. 

 (Man. p. 402 ; I. F. /. i^io.) In moist places, N. S. to Alaska, N. Y. 

 and N. J. to Mo., extending to the Rocky Mts. of Utah. Also in Ore. 

 and B. C. and Eu. and Asia. — Pennsylvania : Monroe ; Susquehanna ; 

 Tioga ; Lancaster ; Blair ; Erie, Presque Isle ; Somerset ; Ches- 

 ter; Allegheny. 



12. HOLOSTEI7M L. 



1. Holosteum umbellatum L. Jagged Chickwekd. (Man. p. 398 ; 

 I. V.f. 1492.) Fields, roadsides and waste places. Pa., Del. and Ga. 

 Native of Eu. and Asia. — Pennsylvania : Lancaster. 



13. SPERGULA L- 

 1. Spergula arvensis L. Corn Spurry. (Man. p. 402 ; I. F. /. 

 -V^J- ) lu fields and waste places, eastern Canada and the Eastern and 

 Middle States. Adv. or nat. from Eu. — Pennsylvania : Wayne ; MONT- 

 GOMERY ; Philadelphia. 



i4. TISSA Adans. 

 1. Tissa rubra (L.) Britton. Sand Spurry. (Man. p. 403; I. F./. 

 ///d.) In waste places and along roadsides, or sometimes maritime, N. 



