18 DYCOTYLEDONOUS. 



Genus I. ARGEMONE. ' 



Sepals 3, caducous. Petals 6. Stamens numerous. Stig- 

 mas 4-7 sessilo, or nearly so. Capsule opening by valves sep- 

 arating from the placentse. Herbs vvilh a yellow juice. 



1. A. Mexicana. ieaves alternafe, pinatifid, and spiny. Flowers solita.- 

 ry, axilar}' and terminal. Calyx and capsule pricklv. 



There seems to be several variations from the ;;b ive description, which 

 constitu'e varieties of this species. The flowers vary ;nuch in size and color^ 

 and in some the capsule is not prickly. We have nev, r met niih sn; h a one. 



Prickly Poppy. 

 White, (i). From June through the summer. In cultivated places,, 

 common. 



Genus II. SANGUINARIA, 



Sepals 2, deciduous. PftoZ^ vary from 8-12. Stamens nu- 

 merous. Stigmas 2, sessrif. Capsule oblong-ovate. Seeds 

 numerous. R/iizoma yellowish red. 



1. S. Canadensis. Leaves reniform, palmate, 5-7 lobe^J, glaucous. Petals 

 oblons caducous; scape l-flowered. Plant yields a light red juice. 



White. ^. March. Common. Blood Root. 



i2cma/-/c5.— This plant enjoys considerable reputation, both in the re<rnlar practice of 

 medicine and in ihf family practice. It is a powerful ins^dicint-, and should be used 

 by those UKacquaiated w.lh ii wiih care. It is a stimulant in smiU doses; in larger 

 produces violent vomiting and irmch irritation. It is one of the earliest and prettiest 

 flowers of spring, and as an early border flower, deserves the attention of the florist. 



Genus III. CHELIDONIUM. 



Sepals 2, caducous. • Petals 4, small. Stamens numerous. 

 Capsules 2-valved, 1-celled, many seeded, linear, dehiscing 

 from the base upwfirds. Yields a deep yellow juice. 



1. C. Majus. Leaves pinnate-lobcd, glaucous, segments ovate, the ter- 

 minal one obovate. Flowers in axilary umbels. Celandine. 

 Yellow. '21-. Naturalized. Grows in waste places. 



Genus IV. GLAUCIUM. 



SepaZ* 2, caducous. Petals 4. Cfir_p5?z/c linear 2-valved, 2- 

 celled, many seeded. Seeds somewhat leniform. Plant yiel- 

 ding a yellow juice. 



1. G. Flavum. S<'em glabrous. Floral leaves repand ; cauline ones, 

 clasping and pinnatifid ; radical ones bipinnatifid, large, pubescent. Pedun^ 

 cZes one flowered. Copsu?e ruberculate. Horned Poppy. 



Yellow. <v). June. Introduced. 



Order XII. FUMARIACE^. 



Sepals 2, deciduous. Petals 4, cruciate ; one or both of the 

 two outer ones saccate or spurred at the b;!sc ; t!ie two inner 

 cohering at the apex, and enclosing t!ie anthers and stigma. 

 Stamens 6, in two parcels; anthers membranous, adnale ex- 



