704 ORDER 147. TRILLIAOEJ3. 



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

 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- 

 DOUS." 2+ Rhizome slender, creeping, sending up annual stems with 

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

 axillary flowers. 



C. pauciflora Torr. S. Ga. (Feay, Pond) and Fla. (near Quincey !) Stems glab- 

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

 acuminate, thin, 7 9-veined, pet. 1' long. Peduncles capillary, 1' long. Fls. 

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

 cotyledoaous was first demonstrated by Dr. Gray. 



ORDER CXLYII. TRILLIACE.E. TRILLIADS. 



Herbs with simple stems, tuberous roots and verticillate, net-veined leaves. 

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

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

 a juicy, OD-seeded pod. Figs. 356, 53, 8S. 



General, species SO, in woodlands, temperate parts of Europe, Asia and N. America. The 

 roots of some species are emetic, 



GENERA. 



Leaves in one whorl. Sepals green, petals colored TRILLIUM. 1 



Leaves in two whorls. Sepals and petals alike greenish MEDEOLA. 2 



1. TRIL'LIUM, Miller. WAKE-ROBIN. (Lat. trilir, triple ; every part 

 being in 3s.) Perianth deeply 6-parted, in 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; berry 3- 

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

 top 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 base. Petals thin, delicate Nos. 3, 4 



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



Flowers on a peduncle defined beneath the leaves. Stylo scarcely any Nos 7, 8 



Style 1, as long us stigmas No. 9 



1 T. sessile L. Lvs. rhombic-ovate, or suborbicular, acute, sessile, spotted ; 11. 

 closely sessile, erect; sep. 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, 1 3' by 12', 

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

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



2 T. recurvatum Beck. Lvs. ovate or obovate, attenuated to a petiole, acute ; fl. 

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

 as the recurved sepals, A small Trillium quite distinct, although allied to the last, 

 in shady woods, Ivis. to La. Stem 8 10 high, rather thick. Leaves 2 2' by 

 \\ '2', with distinct, short petioles, not usually spotted. Petals purple, and with 

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



3 T. nivale Riddell. SXOWY TRILLIUM. St. low; Ivs. ovate or oval, rather ob- 

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

 obovate, obtuse, white, one third longer than the calyx. The smallest species hero 

 described, in stony cr dry fields, Ohio to Wis. Stem 2 4' high, from a thick. 



