SCROPHULARIACEAE 55 1 



5. Antirrhinum [Tourn.] L. 



Flowers 2.5-4 cm. '°ng; calyx segments ovate, much shorter than 



the corolla. I. A. majus. 



Flowers 1-1.5 crn - ' on gl calyx segments linear, as long as the corolla. 2. A. Orontium. 



1. A. majus L. In waste places, escaped from gardens: E. U. S. 



Adventive from Europe. 

 Rare as an escape. 



2. A. Orontium L. In fields and waste places: Ont., N. Eng. and 



New York. Adventive from Europe. 

 Very rare as a weed; not recently collected. 



6. Scrophularia [Tourn.] L. 



Corolla dull outside; sterile stamen deep purple. 1. 5. marylandica 



Corolla shining outside; sterile stamen greenish-yellow. 2. 5. leporella. 



i. S. marylandica L. In woods and thickets: Me. to S. Dak., 

 N. Car., Ga. and Tenn. 



Conn. Rare in the east, increasing northwestward. 

 N. Y. Rare on L. I., and on S. I., thence increasing northward. 

 N. J. Reported from Salem, Camden, Monmouth and Ocean 



counties north and west of the pine-barrens, thence increasing 



northward; unknown elsewhere. 

 Pa. Monroe, Northampton, Bucks, Delaware and Chester counties. 



Tertiary, o: Cretaceous, rare and local: Older Formations, in- 

 creasing but not very common northward. 117-220 days. Sea 

 level-3,980 ft. 



2. S. leporella Bicknell. In woods and along roadsides: Vt. to 

 Conn., Minn., Va. and Kan. 



Throughout the range except in the pine-barrens, always in- 

 creasing northward. 



Scrophularia canina L. and 5. aquatica L. have been collected as waifs near New York. 



7. Chelone [Tourn.] L. 

 1. C. glabra L. In swamps and along streams: Newf. to Fla., 

 Man. and Kan. 



Common throughout the range except in the pine-barrens. 



8. Pentstemon Mitchell. 



Stem pubescent or puberulent, nearly or quite to the base. 



Corolla large, over 5 mm. long; stem hirsute or canescent 



often glandular. I. P. hirsutus. 



