226 BIGNONIA FAMILY. 



U bifldra. Chiefly S. : stems 4' - 6' long, bearing rootlet-like leaves and 

 many bladders, 1 - 3-flowered peduncles 2' - 4' high, and awl-shaped spur as 

 long as lower lip. , 



» » » Simple and erect naked scape-like stem rooting in. wet soil, with minute und 

 fugacious grass-like leaves seldom seen : commonly no bladders : flowers 

 ■ yeUow. 



IT. SUbul&ta, from N. Jersey S. in wet sand; very slender, 3' -5' high, 

 with several very small slender-pedicelled flowers. 



U. eorntlta. In bogs N. & S. ; 6'- 15' high, bearing 2-4 large flowers 

 crowded together on short pedicels, or S. with 4-12 more scattered and smaller 

 flowers. 



2. PINGUICULA, BUTTEEWORT. (Name from Latin, pinguis, fat. 



Both names from the fatty or greasy-looking leaves, which in ours are more 



or less clammy-pubescent. ) 



» Corolla violet-purpk ; the upper lip 2-lobed, lower 3-lobed. 



v. vulg&.ris, is scarce on wet rocks along our northern borders ; scape 2' 

 high ; upper Up of corolla short ; spur straightish and slender : fl. summer. 



P. pumila, in moist sand from Georgia S. & W., has rather large flower 

 on scape 2' - 6' high, with blunt sac-like spur : fl. spring. ' 



P. el^tior, borders of ponds from N. Carolina S., has scapes near 1° high, 

 and large corolla (1' wide) with blunt spur : fl. summer. 



» » Corolla yellow, more bell-shaped, less distinctly 2-lipped, the 5 Mes often cleft. 



P. liltea. Wet pine barrens S. ; whole plant yellowish, with nodding 

 flower (1' or more wide) on scape 6'-12' high, in spring. 



73. BIGNONIACE^, BIGNONIA FAMILY. 



Woody plants, or a few herbs, with more or less bilabiate flowers, 

 cliandrous or didynamous stamens (often with rudiments of the 

 wanting ones), 2-lipped stigma, free variously 1 — 4-celled ovary, 

 and fruit, usually a pod, containing many large mostly flat and 

 winged seeds, filled with the large embryo : no albumen. 



I. BIGNONIA FAMILY propek ; almost all woody plants, 

 wiih opposite leaves, 1-2-ceIled pods, and flat winged seeds. (Les- 

 son?, p. 135, fig. 316.) " 



§ 1. Climbers, with compound leaves and i fertile stamens in two pairs. 

 * Barely woody or herbaceous : ovary and pod one-celled with 2 parietal placentas. 



1. ECCREJIOCARPUS. Calyx 5-cIeft, short.. Corolla tubular, with 5 short and 



round recurved lobes. Pod short. Seeds winged all round. 



* « Woody-stemmed: ovary and pod '2-celled, but the placentae parietal: valves of pod 

 falling away from the partition : seeds toith a broad thin wing. 



2. BIGMONIA. Calyx nearly truncate. Corolla tubular bell-shaped, 6-lobed. 



Pod flattened parallel with the valves and partition. Climbmg by leaf- 

 tendrils. 

 3.- TECOMA. Calyx S-toothed. Corolla funnel-shaped, tubular, or bell-shaped, 

 s fi-lobed. Pod flattish or flattened contrary to the partition, the edges of 

 which separate from the' middle of the valves. Leaves in em's odd-pinnate. 

 The hardy species climb by rootlets. 



§ 2. Trees, mtlt simple leaves and 2 or rarely i fertile stamens. 

 i. CAT ALP A. Calyx deeply 2-lipped. Corolla inflated bell-shaped, the 5-lobed 

 border more or less 2-lipped and wavy. Pod very long and slender, hanging; 

 the partition contrary to the valves. Narrow wings of the seed lacerate- 

 fringed. (For coi-olla and stamens, see Lessons, p. 95, fig. 196.) 



