552 FLORA OF TEXAS. 



TRILLIUM, L. 



Flowers pertect ; perianth 6-leaved, the three exterior 

 leaves calyx-like, persistent, the interior withering; stamens 

 G, inserted at the base of the perianth ; filaments short ; 

 anthers adnate, linear, 2-celled; ovary G-ribbed, 3-celled, 

 with numerous anatropous horizontal ovules in each cell ; 

 styles or stigmas 3, slender, stigmatic within, recurved, 

 persistent; /rzfi^ a roundish G-sided many-seeded purple 

 bprry. — Low perennial herbs, with tuberous rootstocks, and 

 simple stems, which are sheathed at the base, and termi- 

 nated with a whorl of three broad leaves and a single ses- 

 sile or peduncled showj flo?ver. 



* Floioers on erect or declining pedvncle. 



T. ERYTHROCARPUM, Michx. Stem solitary ; leaves ovate, 

 long-acuminate, rounded at the base, short-petioled ; pe- 

 duncle (l'-2' long) erect, longer than the widely-spreading 

 flower; petals oblong, acutish, wavy, much longer than the 

 lanceolate sepals, white, striped with purple at the base; 

 stigmas slender, longer than the anthers; berry red. Rich 

 shady woods. April and May. Stem 1° high ; leaves 

 3-5' long; flowers 9"-12" long. 



T. Texanum, Buckley. Leaves ovate-oblong, obtuse, ses- 

 sile, smooth above, subpubescent beneath, longer than the 

 peduncle ; petals white, ovate-lanceolate, acute, nearly equal 

 or shorter than the sepals; sepals oblong-OA'ate, obtuse. — 

 Plant six to nine inches high ; leaves 1 J-2 inches long, 5 

 lines wide; peduncle 6 lines long; sepals G lines long and 

 2 lines wide. Such is the size of a medium specimen. 

 Flowers in March. Banks of streams and low grounds, 

 Panola County, Texas. 



MEDEOLA, Gron. 



Floiuers perfect; leaves of the perianth 6, similar, de- 

 ciduous; stamens 6, erect, hypogynous; a?ithers linear- 



