Drosera PODOSTEMACEAE— SAXIFRAGAC. Saxifraga 



[D. filiformis Raf. 



Credited to "Del." in Gray's Manual, ed. 7; also by Fernald: 

 Rhodora 33, 55, Map 29, in which the Cape Henlopen region is 

 indicated; no specimens seen.] 



PODOSTEMACEAE (River Weed Family) 

 Podostemum Mx. 

 P. ceratophyllum Mx. River Weed. 



On rocks in the Brandy wine and Red Clay Creeks (NC); 

 formerly rather frequent, but no longer to be found, having been 

 exterminated by industrial waste in those streams: last collected 

 at Greenbank (NC) by R. R. Tatnall, 24 Sept. 1886 (T). One 

 collection from Wicomico County: Shreve & Jones, 1265, Aug. 1906 

 (U). 



CRASSULACEAE (Orpine Family) 



Penthorum L. Ditch Stone crop. 

 P. sedoides L. 



Rather frequent in wet places, Piedmont and Coastal Plain. 

 Mid-July to early Sept. 



Tillaea L. 



T. aquatica L. {T. simplex Nutt.) 



Rare on muddy shores: Salisbury (Wi), Bebh in 1863 (A); and 

 7. S. Moyer, 30 Aug. 1867 (A). Reported by E. Tatnall (MS Cata- 

 log), as having been collected by Canhy in "Brandy wine Creek 

 above (Penna.) railroad bridge," Wilmington, in 1867, but no 

 specimen seen. 



Sedum L. Stone crop. 

 S. ternatum Mx. 



Infrequent in alluvial soil along the Susquehanna River (Ce), 

 and in rocky woods along the Brandywine and Red Clay Creeks 

 (NC), Mid- April, May. 



S. Telephium L. 



Locally abundant in New Castle and Cecil Counties. Aug., 

 Sept. Nat. from Europe. 



SAXIFRAGACEAE (Saxifrage Family) 

 Saxifraga L. Saxifrage. 

 S. pensylvanica L. Swamp Saxifrage. 



Infrequent in wet places, New Castle County. May. 



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