320 BIGNONIACE^.. (bIGXONIA FAMILY.) 



about as long as the lower lip. — Peat-bogs, or sandy swamps : common both 

 northward and southward. — Flowers close together, large. 



12. U. SUbulita, L. Stem capillary (3' -5' high); pedicels rapilhry ; 

 lower lip of the roiolla Jlut or with its margins recurved, eqmdly 3-M>ed, much 

 larger thim the ovate upper one ; spur oblumj, acute, straight, oppressed to the 

 lower lip, which it nearly equals in length. — Sandy swamps, pine-barrens of 

 Kew Jersey, Virginia, and southward. June. — Corolla 2" -4" broad. 



U. — Walter characterizes his IJ. purpurea as with " Jlorilms pnrvis." 

 Elliott mentions that he once saw, near Savannah, a small terrestrial species, 

 like U. subulata, but purple-flowered, which he took for Walter's plant. Mr. J. 

 A. Paine, Jr. found in the pine barrens of New Jersey, in Sept., 18G6, a few 

 minute specimens of this sort, with " faint pink-purple corolla, not larger than 

 a pin's head." It is left for further investigation. 



2. PINGUiCULA, L. Butterwort. 



Upper lip of the calyx 3-clcft, the lower 2-cleft. Corolla with an open hairy 

 or spotted palate. — Small and stcmless perennials, growing on damp rocks, 

 with 1 -flowered scape.<i, and broad and entire leaves, all clustered at the root, 

 soft-fleshy, mostly greasy to the touch (whence the name, from pinguis, fat). 



1 . P. vulgaris, L. Leaves ovate or elliptical ; scape and calyx a little 

 pubescent ; lips of the violet corolla very unequal, the tube funnel-form ; spur 

 straightish. — Wet rocks, W. New York to Lake Superior, and northward. 

 July. (Eu.) 



Order GG. BIGNONIACEiE. (Bignoxia Family.) 



Woody or rarely herbaceous plants, monopetalous, didynamous or dian- 

 drous, with the ocary commonly 2-celled by the meeting of the two parietal 

 placenlce or of a projection from them, many-seeded : the large seeds with a 

 flat embryo and no albumen. — Calyx 2-lipped, 5-cleft, or entire. Corolla 

 tubular or bell-shaped, 5-lobed, somewhat irregular or 2-lij)ped, deciduous; 

 the lower lobe largest. Stamens inserted on the corolla ; the fii'th or pos- 

 terior one, and sometimes the shorter pair also, sterile or rudimentary : 

 anthers of 2 diverging cells. Ovary free, bearing a long style, with a 

 2-lipped stigma. — Leaves compound or simple, opposite, rarely alternate. 

 Flowers large and showy, — Chiefly a tropical family : to which are ap- 

 pended several outlying groups, such as the I^kdalinEvE, represented 

 by Marty nia, &c. 



• Woody plants, with do' pods. Seeds transverse, very flat, winged ; the broad and leaf-lili« 



cotyle<lons notched at both ends. 



1. Bignonia. Pod flattened iiaralKl with the jiartition. Leaves compound, tendril-be.iring. 



2. Tecoina. Pod flattish contrary to the partition. Leaves compound, without tendrils. 



3. Catalpa. Pod as in No. 2. Fertile stamens only 2. Trees: leaves simple. 



* « Herbs. Fruit fleshy outside, woody within. Seeds attached by one cud, not winged ; tba 



cotyledons thick and entire. 



4. Alartyuia. Fertile Elamens 2 or 4. Corolla bell-shaped o-lobed. Fruit beaked. 



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