CLASS VI. ORDER III. 151 



neighborhood of Boston. Leaves three, large, roundish, or rhom- 

 boid, pointed. Flower terminal, from the bosom of the leaves, 

 bending down so as to be sheltered beneath them. Calyx leaves 

 three. Petals three, alternate with the calyx leaves, nearly 

 white, reflexed. Stigmas three, recurved. — In shady thickets. — 

 May, June. — Perennial. 



Trillium erectum. L. Erect Trillium. 



Peduncle inclined; flower nodding; petals ovate; 

 acuminale, flat, spreading; much broader, but scarcely- 

 longer, than the calyx ; leaves broad, rhomboidal, acu- 

 minate, sessile. 



Flowers dull brownish purple, greenish outside ; odor offensive. 

 Root used in medicine. — In old woods in the middle and western 

 parts of the state. — May. — Perennial. 



Trillium pictum. Piirsh. Painted Trillium. 



Peduncle somewhat erect, petals oval-lanceolate, 

 acute, recurved, twice as long as the calyx ; leaves 

 ovate, acuminate, rounded at base, and abruptly pe- 

 tioled. 



Petals white, striped at base with purple, undulate at the 

 edge. A very handsome species. — On the Ascutney mountain, 

 Vermont. — May, June. 



Trillium grandiflorum. Salisb. Large flowering Trillium. 



Peduncle slightly nodding ; petals spatulate-lanceo- 

 late, erect at base and spreading at top, much longer 

 than the calyx ; leaves broad rhomboid-ovate. 



A fine plant, larger than any of the preceding. Leaves sessile, 

 acute at base, abruptly acuminate. Peduncle an inch and more 

 in length. Flowers white, turning dark red. Berries dark pur- 

 ple. — June. — Burlington, Vermont, Mr. Eussell. 



My specimens are from the natural bridge in Virginia. 



