Order 12.— THE FUMEWORTS. 159 



1 P. somnif' eram. Opium P. Fls. large, often double, t Summer. 



2 P. dubium. Small Bed P. Pod club-shaped, smooth. Leaves coarsely 



divided. Flowers light red, smaller than in No. 1. M. S. Summer. 

 2 P. Rheas. Corn P. Pod globular, smooth. Leaves more finely divided. 

 Flowers large and brilliant, deep scarlet, often double, t Sum. 



Order XII. FUMARIACEJE. The Fumeworts. 



Herbs smooth and delicate, with brittle stems and watery juice ; 



leaves usually alternate, many cleft or compound ; 



fiowers irregular, purple, white or yellow ; sepals 2, very small ; 



petals 4, more or less cohering, one or both of the outer saccate, the two 



inner inclosing the anthers in their coherent tips ; 

 stamens 6, in 2 sets of 3 in each ; pistil 1 ; pod 1-celled. 



Analysis of the Genera. 



* Corolla equally 2-spurred or 2-saccate at base. . . .a 



* Corolla unequal, only 1 of the petals spurred b 



a Petals slightly united or distinct, deciduous. Not climbing. Dicen'tra. 1 



a Petals firmly united, persistent. Plants climbing. Mountain Fringe. Adlu'mia. 

 b Ovary with several seeds, forming a slender pod. Corydal. Cokyd'alis. 2 

 b Ovary with 1 seed, becoming a globular nut. Fumitory. Fuma'ria. 



1. DICEN'TRA. Ear-drop. 



Sepals 2, very small, sometimes disappearing. The 2 outer petals alike, 

 saccate at base, with spreading tips; the 2 inner alike, spoon-shaped, 

 meeting face to face over the stamens and pistils. Filaments flat, separate 

 or not. Middle anther of each set 2-celled, the outer 1-celled. Pod 

 man j-seeded. — li 



§ Low herbs (6'), with white flowers in shnple racemes 1,2 



§ Taller (l-2f,), with purple flowers racemed or panicled 3, 4 



I D. cucuUa'ria. White Ear-drop. Eoot bulb-like. Spurs of the flowers divergent 



acute, straight. Flower nearly as broad as long. Spring. 

 J D. Canaden'sis. Sqmrrel-corn. Eoot bearing yellow tubers as large as peas. Fls 

 niueli longer than broad, spurs rounded, incurved. May, Jn. 

 3 D. exim'ia. Wild Purple Ear-drop. Kacenics panicled. Flowers oblong 



■«vith very short blunt spurs. Sepals manifest. M. S. t 

 3 D. spectab'ilis. Chinese E. Raceme simple. Flowers nearly as broad as long 

 (T), very fine and showy; scpalo obsolete, t 



