Monocotyls or Etidogoioiis Plants. 23 



Po-lyg-o-na'-tum bi-flo'-rum com-mu-taMum (R. and S.) Mor. Great . 

 Soloman's Seal. — Stem mostly tall Ci-ii ft.), peduncles 2 to 8-flowered; ^ ff^-f^xL J 

 perianth 5-9 lines long. 



14. Genus CON-VAL-LA'-RI-A.— Plant low. stemless, leaves 2, ob- 

 long, their long petioles enrolled one within the other; scape angled; 

 raceme 1-sided; flowers white, nodding, sweet-scented. 



Con-val-la'-ri-a ma-ja'-lis L. Lily of the Valley. — Cultivated, perhaps 

 occasionally escaped. 



15. Genus ME-DE^-O-LA. — Stem simple, 1-3 ft. high, from a hori- 

 zontal tuberous white root-stock; leaves 5-9 in a whorl near the mid- 

 dle, also a whorl of usually 3 at the summit. 



Me-de'-o-la vir-gin-i-a'-na L. Indian Cucumber-root. — Flowers in a 

 sessile umbel, or solitar}-, recurved. 



15. Genus TRIL'-LI-UM. — Low stout plants with a whorl of 3 leaves 

 at the summit, netted-veined ; flower solitary. 



A. Ovary 6-angled and more or less winged. 

 b. Floxver sessi/e.i 



Tril'-li-um ses'-si-le L. Sessile Trillium. — Leaves sessile, ovate or^'Tz/^yztl 7» 

 rhomboidal; sepals spreading, petals sessile. ^ 



Trir-li-um re-cur-vaMum Beck. Reflexed Trillium. — Leaves contracted 

 below into a petiole, ovate-oblong or obovate ; sepals reflexed, petals 

 pointed, the base narrowed into a claw. 



{b. Floiuer pedicelled.'' 



TriK-li-um e-recMum L. Purple Trillium. — Pedicel longer than the 

 flower, usually more or less inclined or declinate; petals ovate to 

 lanceolate, brown-purple, or often white or greeni.sh ; stigmas distinct, 

 spreading or recurved. 



Tril'-li-um gran-di-flo'-rum (Mx.) Salisb. Large-flowered Trillium. — (y^ih-g-rcL.^^ 



Pedicel longer than the flower, erect or ascending; petals oblanceo- 

 late, white, turning rose-color; stigmas erect, somewhat cohering. 



Tril'-li-um cer'-nu-um L. Nodding Trillium. — Pedicel short, recurved 

 or strongly declinate; petals white or pink, ovate to oblong-lanceolate, 

 wavy, recurved-spreading; stigmas stout, recurved. 



A. Ovary ?>-/of>ed or angled 7iot ivinged. 



