340 OUDJSK 146. 



C. panclflora Torr. Woods, Qa., Fla., Ala. Stem simple, If. Leaves about 6. tnl&, 

 glabrous, pedately arranged, 7-9-veined. Fed. 1'. Flowers 2" wide when open. April. 



ORDER CXLV1. 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 6 10. Ovary free, 3-5-celled, bear- 

 ing in fruit a juicy, oo-seeded pod. Figs. 115, 259, 294. 



5 Leaves in one whorl. Sepals green, petals colored TRILLIUM. I 



| Leaves in two whorls. Sepals and petals alike greenish MKDEOLA. 2 



1. TRILLIUM, L. WAKE-ROBIN. Perianth deeply 6-parted, in 2 dis 

 tinct series, outer of 3 sepals, inner of 3 colored pet. Sta. 6, anth. longer 

 than the filaments. Stig. sessile. Beny purple, 3-celled, 06-seeded. U 

 St. simple. Leaves 3, whorled at the top of the stem, palmi-net-veined. 

 Flowers solitary, terminal. In Spring. 



Flowers sessile. Petals dark purple, erect Nos. 1, 9 



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



* Leaves petiolate, ovate, rounded at the base. Petals thin, dedicate Nos. 3, 4 



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

 Flowers on a peduncle deflexed beneath the leaves Nos. 7, 8 



1 T. sessile L. Leaves sessile, roundish-ovate to rhomb-ovate, acute, mottled with 



dark purple : petals sessile, some spreading, dull purple. Pa., W. and 8. 6 12'. 



2 T. recurvatmn Beck. Lvs. ovate to obovate, narrowed to a petiole; sepals re 



flexed, green : pet. erect, narrowed at base to a claw, purple, 1'. Woods, W. 810'. 



3 T. nivale Kid. Stem 24' ; Ivs. oval to ovate, distinctly petiolate ; fl. erect, 7 8" 



long ; petals ovate-spatulate, white, half longer than the sepals. Penn. to Wis. 



4 T. erytlirocarpnin MX. Smiling IK. Lvs. ovate, rounded at base, acuminate; 



petals lance-ovate, recurved, twice longer than the sepals, wavy, white, beautifully 

 pencilled at base with purple. Woods, Can. to Ga. 8 12'. 



5 T. graiidiflormn Salisb. Lvs. rhomb-obovate, sessile, conspicuously acuminates 



petals spatulate-obovate, much longer (11 2') than the sepals, white, varying to 

 rose-color. Damp, rocky woods, M., S., and W. 8 12'. 



6 T. e rectum L. Bath. Flower. Leaves roundish-rhombic, short-pointed, almost 



petiolate, about as broad as long; ped. scarcely erect ; flower nodding ; petals oval- 

 ovate, much broader than the sepals, dark purple, ill-scented. Woods. 

 /3. album. Petals white or greenish ; ped. inclined. N. Y. (Hankenson), and W. 



7 T. cern Hum L. Leaves nearly as in No. 6 ; ped. more than half the length of the 



leaves, twice that of the flower ; petals flat, not reflexed, white, little larger than 

 the sepals ; stigmas as long as the anthers. Woods, M., S., and W. 1 ljf- 



8 T. stylosnm N. Leaves petiolate, ovate, oval, or elliptic ; ped. not longer than 



the flower, decurved ; petals recurved, much larger than the sepals, white ; ^tylen 

 united, as long as the stigmas, shorter than the recurved anthers. South. 1020'. 



2 MEDEOLA, Gronov. INDIAN CUCUMBER-ROOT. Perianth deeply 

 parted into 6 pelaloid, revolute segments. Sta. 6, with slender filaments. 

 Stigmas 3, divariu.ite, united at base. Berry 3-celled, cells 3-6-seeded. U 

 Stem simple, arising from a while, tuberous rhizome (which is thought to 

 resemble the cucumber in flavor) bearing 2 whorls of Ivs. and 1 3 term. ns. 

 HI. Vlrginica L. Damp woods. Slender, erect, 1 2f, with cottony wool. Lowci 

 whorl of 8, upper of 3 leaves. Flowers pendulous, yellowish. July. (Fig. --'94.) 



