520 OKDER CXX. TRILLIACE^. 



Order CXX.— TRILLIA'CE^. {Trillium Famihj) 



# 



Flowers perfect. Sepals 3. Petals 3. Stamens 6. Ova- 



\-' ry 3-celled, few or many seeded. Herbaceous plants, with 

 leaves in 1 — 2 whorls. Flowers at the summit of the stem. 



Genus L— TRIL'LIUM. L. 6—3. 

 (From trilex, triple, in allusion to its floral organs.) 



Perianth 6-parted, the 3 outer resembling a calyx, the 3 inner 

 petaloid. Stamens 6, inserted into the base of the segments. 

 Stigmas 3, usually distinct. Fruit 3-celled, many-seeded. 



1. T. SEs'siLE, (L.) Stem erect, glabrous, spotted, with sheaths at the 

 base. Leaves 3, at the summit of the stem, sessile, broad-ovate, acute. 

 Flowers sessile, erect ; the petal-like segments lanceolate, erect, twice a» 

 long as the calyx. Fruit glabrous, dark purple, — Dark purple. If. 

 March — April Rich lands. Common. 6 — 12 inches. 



2. T. disco'lor, (Wray.) Flowers sessile, erect. Petals obovate, 

 spatulate, erect, twice as long as the spreading calyx. Leaves sessile, 

 3, roundish-ovate, acute, spreading, smooth, spotted, paler beneath, 5- 

 nerved. Stem erect, purple, green above. Ovary ovate, 3-lobed, 

 greenish-purple. Styles linear, purple externally, yellow within. — Geo. 

 11. 6 inches. 



3. T. recurva'tum, (Beck.) Stem erect, purple below. Leaves peti- 

 olate, ovate, acute, spotted, o-nerved, paler beneath. Flowers sessile, 

 erect. Petals unguiculate, ovate-oblong, acuminate, erect. Sepals re- 

 flexed, ovate-lanceolate, acute, 3-nerved, green. — Lou. 



4. T. pusil'luji, (Mich.) Plant small. Leaves sessile, oval, oblong, 

 obtuse. Peduncle erect. Petals scarcely longer than the cal^'x. — 

 Flesh-colored. %. May — June. Pine-barrens. 6 — 8 inches. 



5. T. ereo'tum, (L.) Leaves broad, rhomboid, acuminate, sessile. 

 Peduncle inclining. Floicer nodding. Petals ovate, acuminate, flat, 

 broader than the calyx. Dark purple or white, li. May^-June. 

 Common. 



6. T. graxdiflo'rum, (Salis.) Leaves rhomboid-ovate, broad, sessile, 

 acuminate. Peduncle erect or slightly inclined. Flower nearly erect. 

 Petals longer than the calyx, spatulate-lanceolate. — White or reddish. 

 2^, May-— June. Banks of streams. 8 — 12 inches, 



7. T. erythrocar'pum, (Mich.) Leaves ovate, acuminate, rounded at 

 the base, abruptly contracted into a short petiole. Peduncle erect or 

 declining. Petals ovate-lanceolate, recurved, broader than the calyx. 

 — White, with purple veins. If. May — June. Shady woods, 6 — 8 

 inches. 



8. T. cer'nuum, (L.) Leaves rhomboidal, acuminate, very large, on 

 rather long petioles. Peduncles recurved. Petals lanceolate, acu- 

 minate, reflexed, about as long as the calyx. — White. 2f , April — May. 

 Rocky places. 12 — 18 inches. 



9. T. Cates'b^i, (Eil,) Leaves obovate and oval, acuminate, attenu- 

 ate at the base. Peduncle recurved. Petals lanceolate, expanding, 



