<rQ4: Obder UI.—'SB.UjJAA.CEM. 



Perianth of 4 oval segments, imbricated in 2 rows (2 interior) ; stam. 

 4, opposite the segments, slightly perigynous, anth. introrse, innate, 

 cells distinct ; ovary 1-celled, with 4 — 6 suspended ovules ; stigma ses- 

 sile,; fruit ovate, " seeds 1 — 3, copiously fringed along the raphe and 

 funiculus as if arillate, and ribbed lengthwise ; embryo monocotyledo- 

 nous."— ^i( Ehizome slender, creeping, sending up annual stems with 

 about 6 petiolate, lance-ovate, cordate leaves, and a few small whitish, 

 axillaiy flowers. 



C. pauciflora Torr. — S. Ga. (Peay, Pond) aod P)a. (near Quincey !) Sterna glab- 

 rous, If high, bearing at top 6 leaves pedately arranged. Lvs. 3—4' long, short 

 acuminate, thin, 1^9-veined, pet. 1' long. Peduncles capillary, 1' long. Ms. 

 few, near 2" wide when open. Apr. — The true character of this plant as mono- 

 cotyledonous was first demonstrated by Dr. Gray. 



Order CXLVII. TRILLIACE^. Trilliads. 



jFIerbs with simple, stems, tuberous roots and verticillate, net-veined lesres. 

 Flowers terminal, 1 or few, perfect, mostly 3-parted. Oalyx herbaceous, corolla 

 more or less colored. Stamens 6 to 10. Ovary free, 3 to 5 -celled, bearing in fruit 

 a juicy, oo-seeded pod. Figs. 356, 53, 88. 



Genera 4, speeien 80, in wootlliiufls, temperate parts of Europe, Asia and N. -AmericL Tlie 

 Toots of some species are emetic. 



GBNEEA. 



§ Leaves, in one wliorl- Sepals green, petals colored .., Teilliitm. 1 



§ Leaves in two whorls. Sep.als and petals alike greenish Mi^deola. 2 



1. TRIL'LIUM, Miller. Wake-robin. (Lat. trilix, triple ; every part 

 being in 3s.) Perianth deeply 6-parted, dn 2 distinct series, outer of 3 

 sepals, inner of 3 colored petals; stamens 6, nearly equal, anthers longer 

 than the filaments ; stigmas sessile, distinct or approximate ; beny 3- 

 celled, cells many-seeded. — 2| St. simple. Lvs. 3, whorled at the 

 stop of the stem, reticulate-palmate veined. Fls. solitary, terminal. Fr. 

 purple 



§ Flowers sessile, petals dark purple, erect Nos. 1, 2 



§ Flowers on a peduncle raised above the leaves. (*) 



* Leaves petiolate, ovate, rounded at the hase. Petals thin, delicate Nos. 3, 4 



* Leaves sessile, rhomboidal, nearly as broad as long. Petals thickish Nos. 5, 6 



§ Flowers on a peduncle dcflexed beneath the leaves.— Style scarcely any Nos. 1', S 



— Style 1, as long as stigmas Ko. 9 



1 T. Sessile L. Lvs. rhombic-ovate, or suborbicular, acute, sessile, spotted; fl. 

 closely sessile, erect; sg). erect, ovate-lanceolate or lanceolate, acute; pet. linear- 

 lanceolate, purple, a third longer than the sepals; anth. long, erect. — A small 

 species, in fertile soils. Middle, Western and Southern States. Rhizoma horizon- 

 tal, thick. Stem 6 — 12' high, slender. Leaves rather thick, IJ — 3' by 1 — 2', 

 smooth and entire, blotched with dark purple. Sep. 8 to 12" long, the petals nar- 

 rower and mnch longer, dark purple. Apr. May. (T. discolor Wray.) 



2 T. reourvdtum Beck. Lvs.. ovate or obovate, attenuated to a petiole, acute ; 9. 

 closely sessile ;' pet. lanceolate-ovate, very acute, attenuate at base, erect, as long 



' as the recwved sepals.' — A small Trillium quite distinct, although allied to the last, 

 in Shady woods, Wis. to La. Stem 8 — 10' high, rather thick. Leaves 2— 2J' by 

 1^ — 2', with distinct, short petioles, not usually. spotted. Petals purple, and with 

 the green, reflexed sepals about 1' long. May. 



3 T. iiiv^le Eiddell. Snowy Trillium. St. low; lvs. ovate or oval, rather ob- 

 tuse, distinctly and abruptly petiolate ; fl. short, pedunculate, erect ; pet. spattdate- 

 oiovate, obtuse, white, one third longer than the oalyx. — The smallest species here 

 described, in stony or dry fields, Ohio to Wis. .Stem 2—4' high, from ft thick. 



