LENT1BULARIACEAE (BLADDERWORT FAMILY) 



2 a Plant hairy ; only the lower leaves pinnatifid 



DOWNY FALSE FOXGLOVE. (D, fta<va.) 

 b Plant not hairy; usually all but the uppermost leaves 



pinnatifid SMOOTH FOXGLOVE. (D. virginica.) 



1 6 GERARDIA. 



1 a Flowers about i in. broad; leaves 1-2 in. long 



PURPLE GERARDIA. (G. purpiirea.) 

 b Flowers Vz-% in. broad; leaves %-i in. long 2 



2 a Flowers somewhat hairy within; flower-stalk about the 



length of the calyx 



SMALL-FLOWERED GERARDIA. (G. paupercula.) 

 b Flowers not hairy within; flower-stalk longer than the 



calyx SLENDER GERARDIA. ( G. tenuifblia.) 



17 CASTILLEJA SCARLET PAINTED-CUP. (C. coccinea.) 



1 8 SCHWALBEA CHAFF-SEED. (S. americana.) 



19 PEDICULARIS. 



i a Calyx cleft on the lower side 



WOOD BETONY. (P. canadensis.) 

 b Calyx not cleft on the lower side, merely 2-lobed 



SWAMP LOUSEWORT. (P. lanceolata.) 



20 CALCEOLARIA CALCEOLARIA. (C. hybrida*) 



21 TORENIA TORENIA. (T. fournieri*) 



22 MELAMPtRUM Cow WHEAT. (M. linear e.) 



10 LENTIBULARIACEAE. Bladderwort Family. 

 i UTRICULARIA. 



1 a Stem root-like ; leaves few, entire 



HORNED BLADDERWORT. (U. cornuta.) 

 b Stem not root-like ; leaves divided 2 



2 a Leaves 2-3-pinnately divided, the segments thread-like 



GREATER BLADDERWORT. (U. vulgaris.) 

 b Leaves 4-5-forked, the segments linear 



FLAT-LEAVED BLADDERWORT. (U. intermedia.) 



ii OROBANCHACEAE. Broom-rape Family. 



1 THALfeSIA CANCER-ROOT. (T. uniflbra.) 



2 CON6PHOLIS SQUAW-ROOT. (C. americana.) 



3 LEPTAMNIUM BEECH-DROPS. (L. virginianum.) 



12 BIGNONIACEAE. Trumpet-creeper Family. 



1 TEC6MA TRUMPET CREEPER. (T. rddicans*) 



2 CATALPA. 



i a Flowers white, spotted within with yellow and purple 



CATALPA. (C. catdlpa*) 

 b Flowers yellow, striped within with orange and violet 



DWARF CATALPA. (C. ovata.*) 



13 MARTYNIACEAE. Unicorn-plant Family. 

 i MARTfNIA.. ..UNICORN PLANT. (M. louisiana*) 



