314 PRIMULACEiE. (PRIMROSE FAMILY.) 



a white mealiness: corolla pale lilac with a yellow eye. — Shores of Lakes St 

 Clair and Huron; also Mount Kineo, Maine {A. H. Smith), and northward. 

 June, July. — Scape 3' - 10' high. (Eu.) 



2. P. Mistassinica, Michx. Leaves spatulate or wedge-oblong, thin and 

 veiny, not mealy; involucre 1 - 8-flowered ; lobes of the flesh-colored corolla 

 broadly and deeply obcorclate. — Shores of the Upper Lakes : also Crooked Lake 

 (Sartwell) and Annsville, Oneida County, New York [Knieskern and Vasey), 

 Willoughby Mountain, Vermont ( Wood, Sj-c), and northward. May. — A 

 pretty species, 2' - 6' high. (Eu.) 



2. ANDROSACE, Tourn. Androsace. 



Calyx 5-cleft ; the tube short. Corolla salver-shaped or funnel-form ; the tube 

 shorter than the calyx, contracted at the throat; the limb 5-parted. Stamens 

 and style included. Pod 5-valved. — Small herbs, with clustered root-leaves, 

 and very small solitary or umbelled flowers. (An ancient and obscure name, 

 thought by Linnaeus to be formed of dvbpos, of man, and adicos, a shield.) 



1. A. OCCidentalis, Pursh. Smoothish annual; scapes diffuse (2' -4' 

 high), many-flowered; leaves and leaflets of the involucre oblong-ovate, entire, 

 sessile ; calyx-lobes leafy, triangular-lanceolate, longer than the (white) corolla. 

 — Bare hills on the Mississippi, Illinois, and northwestward. 



3. DODECATHEON, L American Cowslip. 



Calyx deeply 5-cleft ; the divisions lanceolate, reflexed. Corolla with a very 

 short tube, a thickened throat, and a 5-parted reflexed limb ; the divisions long 

 and narrow. Filaments short, monadelphous at the base : anthers long and 

 linear, approximate in a slender cone. — Perennial smooth herb, with fibrous 

 roots, a cluster of oblong or spatulate leaves, and a simple naked scape, involu- 

 crate with small bracts at the summit, bearing an ample umbel of showy flowers, 

 nodding on slender pedicels. Corolla rose-color, or sometimes white. (Name 

 fancifully assumed from 8o>Se/ca, twelve, and 6eoi, gods.) 



1. D. Meadia, L. — Rich woods, Pennsylvania and Maryland to Wiscon- 

 sin, and south westward. May, June. — Very handsome in cultivation. In the 

 West called Shooting-Star. 



4. TRIENTALIS, L. Chickweed-Wintergreen. 



Calyx mostly 7 -parted; the divisions linear-lanceolate, pointed. Corolla 

 mostly 7-parted, spreading, flat, without any tube. Filaments slender, united in 

 a ring at the base : anthers oblong, revolute after flowering. Pod few-seeded. — 

 Low and smooth perennials, with simple erect stems, bearing a few alternate 

 usually minute and scale-like leaves below, and a whorl of thin veiny leaves at 

 the summit. Peduncles one or more, very slender, bearing a delicate white and 

 star-shaped flower. (A Latin name, meaning the third part of a foot, alluding 

 to the height of the plant.) 



1. T. Americana, Pursh. (Star-flom<er.) Leaves elongated-lanceo- 

 late, tapering to both ends ; petals finely pointed. — Damp cold woods : common 

 northward, and southward in the mountains. May. 



