704 Ordeb 147.— TEILLLACB^. 



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

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

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

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

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

 nons." — -if Rhizome slender, creeping, sending up annual stems with 

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

 axillary flowers. 



C. pauciflora Torr. — S. Ga. (Feay, Pond) and Pla. (near Quinoey I). Stems glab- 

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

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

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

 cotyledonous was first demonstrated by Dr. Gray. 



Order CXLVII. TRILLIACE^. Trilli.a.ds. 



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

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

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

 :i juicy, oo-seeded pod. Figs. 356, 03, 88. 



Genera 4, spcciea SO, in woodlands, tcmperato parts of Europe, Asia and N. Araerica. The 

 r'>ots of faomo species are emetic 



OBNKRA. 



§ Leaves in one whorl. Sepals green, petals colored Trilliitm. 1 



§ Leaves in two whorls. Sepals and petals alike greenish. Medeola- 2 



1. TRIL'LIUM, Miller. Wake-robin. (Lat. trilix, 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- 

 cclled, colls 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 aoovo the leaves. (*) 



* Leaves petiolate, ovate, roonded at the b.ase. Petals thin, delicate Nos. 3, 4 



* Leaves sessile, rhomboidal, nearly as broad .as lonp. Petals thickish Xos. 5, 6 



§ Flowers on a peduncle deHexed beneath the leaves. — Stylo scarcely any Nos 7, 8 



— Style 1, as long as stigmas No. 9 



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

 closely sessile, erect ;■ s«p. 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 — 3', 

 smooth and enthe, 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. recurvatum Beck. Lvs. ovate or obovate, attenuated to a petiole, acute ; fl. 

 closely sessile ; pet. lanceolate-ovate, very acute, attenuaie at hose, erect, as long 

 as the recurved 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 

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

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



3 T. iiivale Pdddell. Skowy Trillium. St. low; fcs. ovate or oval, rather oh- 

 iuse, distinctly and abruptly petiolate ; fi. short, pedunculate, erect ; pet. spatulaii- 

 obovate, obtuse, white, one third longer than the qalyx. — The smallest species here 

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



