PLANTS OF SOUTHERN NEW JERSEY. 677 



eeeee. Flowers white. 



f. Corolla 25 mm. long, inflated and contracted at 

 the mouth, plant glabrous. Chelone, p. 678 



//. Corolla 20 mm. long, not contracted at the mouth, 

 often tinged with purple, stem hairy. 



Penstemon hirsutus, p. 678 

 ///. Corolla 8-12 mm. long, two-lipped, lower lip 

 yellow, plant puberulent, 2-5 dm. tall. 



Melampyrum lineare, p. 688 

 eeeeee. Flowers purplish or yellowish green, sometimes almost 

 brown, or partly yellow, partly maroon. 

 /. Flowers 6-8 mm. long, numerous in large, nearly 

 leafless thyrses, plant 1-3 m. tall, glabrous below, 

 somewhat glandular above, leaves opposite. 

 g. Corolla dull outside, sterile stamen purple. 



Scrophularia marilandica, p. 678 

 gg. Corolla shining outside, sterile, stamen green- 

 ish yellow. • S. leporella, p. 678 

 //. Flowers laterally compressed, irregular, 2-hpped, 

 25-40 mm. long, in a bracted spike ; plant pubes- 

 cent, 3-6 dm. high, leaves alternate. 



Schwalbea, p. 687 

 dd. Low succulent aquatic plant, creeping on mud or floating, 

 with slender obtuse leaves 20-120 mm. long, and i-flowered 

 peduncles, corolla white or pinkish, 2 mm. broad. 



Limosella, p. 681 



LINARIA Hill. 



Linaria canadensis (L.). Blue Toad-flax. 



Antirrhinum canadense Linnaeus, Sp. PI. 618. 1753 [Virginia and Canada]. — 



Barton, Fl. Phila. IL 44. 1818. 

 Linaria canadensis Knieskern 22. — Britton 183. 



Open, sandy ground; common throughout our region and in 

 parts of Ihe northern counties ; frequently a weed in cultivated 

 and waste ground. 



Fl. — Late April to early July. 



Middle District. — New Egypt, Burlington, Camden, Medford (S), Wash- 

 ington Park, Mantua, Westville, Mickleton, Swedesboro. 



Pine Barrens. — Brown's Mills, Forked River, Atco, Landisville, Head of 

 Batsto. 



Coast Strip. — Seaside Park, Surf City (L), Beach Haven Terrace (L), 

 Atlantic City. 



Cape May. — Cape May. 



* Knieskern's record of Physosiegia virginica in Monmouth and Ocean 

 counties (p. 24), cannot be verified. The plant has escaped from cultiva- 

 tion farther south and perhaps his record is of this sort. 



