226 I'.I'JNOXIA FAMILY.. 



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

 maiiv bladders, 1 - .'J-llowered peduncles 2' - 4' liigh, and awl-shaped spur us 



long as loan- lip. 



* * # Slinjilf U nil <wt naked scape-like stem rooting in wet soil, with minute and 



fuijiii-iims ijruxs-like leaves seldom seen : commonly no bladders : flowers 



ow. 



U. SUbulata, from N. Jersey S. in wet sand; very slender, 3' - 5' high, 

 witli several very small slender-pedicel led flowers. 



U. cornuta. In tiogs N. ..<; S. ; ti'- 15' high, bearing 2-4 large flowers 

 crowded together on short pedicels, or 8. with 4-12 more scattered and smaller 

 flowers. 



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

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

 or less clammy-pubescent.) 



* ( 'orolla violet-purple ; the upper lip 2-lobed, lower 3-lobed. 



P. vulgaris, is scarce on wet rocks along our northern larders ; scape 2' 

 high ; upper lip 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: ti. spring. 



P. elatior, borders of ponds from N. Carolina S., has scapes near 1 high, 

 and large corolla (I' wide) with bluut spur : fl. summer. 



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



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

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



73. BIGNONIACE.SI, BIGNONIA FAMILY. 



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

 diandrous or didynammis 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 PROPER ; almost all woody plants, 

 \vi;h opposite leaves, 1 2-celled pods, and flat winged seeds. (Les- 

 sons, p. 126, fig. 415, 416.) 



$ 1. Climbers, with comjwund leaves and I fertile stamens in tiro pairs. 

 * Barely woody or herbaceous : ovary and pod one-celleii with 2 parietal placenta. 



1. KCCKKMOCARPUS. Calyx 5-elcft, short. Corolla tubular, \vith5shortand 



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



* is Wwxlii-stemmed: ovary and pod '2-celled, but the placenta parietal: valves of pod 

 fnllinij away from UK. /irlithm : set-tig with a broad thin icintj. 



2. ni(i\n\|\. Calyx nearly truncate. Corolla tubular bell-shaped, 5-lobed. 



l'd flattened parallel with the valves and partition. Climbing by leaf- 

 Irila. 



3. TKCIIMA. Calyx '.-toothed. Corolla funnel-shaped, tubular, or bell-shaped, 



6-lobed. l'"l ilaltisb or flattened contrary to the partition, the edges 01 

 which -eparate t'n.in the middle of the valves. Leaves in ours odd-pinnate. 

 'I he hardy species climl' I'V rootlets. 



2. Trees, irith simple learns <iml 2 or rarely 4 fertile stamens. 



4. CATALI'A. (^ilvx deeply 2-lip])e,l. Ccirolla inflated hell-shaped, the 5-lobed 



border more or les^ j-lijipt-d and wavy. Pod very long and slender, hanging; 

 the partition contrary to the. valves. Narrow win^ of the seed lacerate- 

 ' (For corolla and stamens, see Lessons, p. 92, fig. 265.) 



