ORDER 10. FUMARIACE.E. 33 



ORDTTR X. FUMARIACE^E. FUMEWOKTS. 



t^erbs smooth and delicate, with a watery juice. Leaves exstipulate, alter- 

 nate, many-cleft. Flowers irregular. Sepals 2, very small. Petals 4, par- 

 allel, one or both of the outer saccate, 2 inner cohering at apex. Stameiu 

 6, diadelphous. Anthers, 2 outer 1-celled, middle 2-celled. Ovaries supe- 

 rior, 1 -celled. Print a nut 1-2-seeded, or a capsule oo-seeded. Seedt 

 shining, arilled. Albumen fleshy. Illust 61, 253-4. 



* Corolla equally 2 spr red or 2-saccate at base, (a) 



Coiolla unequal, ouly 1 of the petals sparred. (6) 



a Petals sliprtly united or distinct, mostly deciduous. Not climbing DICENTRA. 1 



a t'etals firmly united, persistent. Plants climbing ADLUMIA. 2 



6 Ovary with several see<ls, forming a slender pod CORYDALIS. 3 



6 Ovary with " ieed, forming a globular nut FUMARIA. 4 



1 DICS3NTRA, Borkh. EAR-DROP. Sep. 2, very small, sometimes 

 disappearing. The 2 outer petals alike, saccate at base, with spreading 

 tips ; the 2 inner alike, spoon-shaped, crested, meeting face to face over 

 the stain, and pistil. Fil. flat, in 2 sets, united at top. Stig. 2-crested. Pod 

 many-seeded, if I. vs. ternately divided or cleft. Fls. racemed, nodding. 

 Delicate and beautiful plants. Figs. 61, 252-4. 



* Herbs native, acaule ;ent, the sepals small but manifest Nos. 1, 2, 3 



* Herbs exotic, caulescent, the sepals obsolete or wanting No. \ 



1 D. cucullarla DO. White Ear-drop. Root bulb-like ; spurs of the fls. divergent, 



acute, straight ; flower nearly as broad as long. Woods, Can. to Ky. 6 1(X. Lvs. all 

 radical of numerous oblong linear segm. The bulb consists of reddish, scale-like 

 tubers. Apr. May. 



D. Canadensls DC. Squirrel-corn. Root bearing yellow tubers as large as peas; 

 rac. simple ; fls. w'_ite, cordate-ovate ; spurs rounded, incurved. Rocky woods, Cau. 

 to Ky. 6 St. Lvs. as in No. 1. Fls. fragrant. May, June. 



3 D. eximla DC. Purple E. Rhizome scaly; rac. paniculate; fls. cordate-oblong, 



rose-purple, spurs blunt, incurved ; sep. ovate, acute ; Ivs. triternate, segm. cut into 

 oblong, acute lobes N. Y. to Oreg. ! 10 15'. Fls. all summer, t 



4 D. SPECTABILIS. Uleeding Heart. Stems recurved, branched ; Ivs. biteruate, segm 



2 or 3-lobed ; fls. in spreading racemes, bright purple ; cor. broad, heart-shaped ; sep. 

 obsolete. China. V^ery fine and showy. 



2. ADLUMIA, Baf. MOUNTAIN FRINGE. Sepals 2, minute. Petals 4, 

 united into a cellular, monopetalous corolla, persistent, bi-gibbous at base, 

 4-lobed at apex. Stain, united in 2 equal sets. Pod 2-valved, many-seeded. 

 (D jp Delicate, with tripinnate leaves, and ample pendulous cymes. 



A. cirrhosa Raf. Kocky hills, Can. to N. Car. 20f. The leaf-italks serve for tenddls. 

 Leaflets 3-lobed. Flowers pinkish white. June Aug. 



3. CORYDALIS, DC. Sepals 2, small. Petals 4. Ctrolla with a 

 single spur at base i-n the upper side. Capsule silique-form, many-seeded. 

 Seeds crested or arilled. Herbs caulescent, with rnultifid leaves. Racemes 

 bracted, with ebracieolate pedicels. 



I C. glauca. Ph. Glaucous, erect ; fls. red, yellow at the tip ; pods erect; lobes of the 

 leaflets obtuse, bracts minute. @ Rocky woods, Can. to N. Car. 1 4f. Raceme ter- 

 minal. Flowers horizontal, spur short, blunt. May, Jane. 



