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 



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

 often tinged with purple, stem hairy. 



Penstemon hirsutus, p. 678 

 fff. 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. 

 f. 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 

 ff. Flowers laterally compressed, irregular, 2-lipped, 

 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. II. 44. 1818. 

 Linaria canadensis Knieskern 22. — Britton 183. 



Open, sandy ground; common throughout our region and in 

 parts of the northern counties ; frequently a weed in cultivated 

 and waste ground. 



PL — Late A^ril to early July. 



Middle District.— Hew 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 Physostegia 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. 



