PRLMULACEjE. (primrose family.) 271 



8. DODECATHEON. Corolla reflexed, 5-parted Stamens exserted ; filaments \m ted. 



# * Stems leafy : corolla wheel-shaped (or in Glaux none). 



4. TRIENTALIS. Corolla mostly 7-parted. Stem leafy at the summit. 



5. LYSIMACHIA. Corolla 5-parted, without intermediate teeth. Stems leafy. 



6. NAUMBUKGIA Corolla of 5 or 6 petals, with intermediate teeth. 



7. GLAUX. Corolla none : tte calyx petal-like. 



Teibe II. ANAGALiLIDEjE. Pod free from the calyx, opening all round liy a trans, 

 verse line, the top falling o£f like a lid 



8. ANAGALLIS. Corolla longer than the calyx, o parted Leaves opposite. 



9. CENTUNCULUS. Corolla shorter than the calyx, 4 - o-cleft. Leaves alternate. 



Tribe III. SA3IOLE./E. Pod partly adherent to the calyx, opening by valves. 



10. SAMOLCS. Corolla hell-shaped and with 5 sterile filaments in the sinuses. 



Tribe IV. HOTTOIVIE^E. Pod entirely free from the calyx, opening by valves. 

 Seeds fixed by the base, anatropous. 



11. HOTTONIA. Corolla salver-shaped. Immersed leaves pectinately dissected. 



1. PRIMULA, L. Primrose. Cowslip. 



Calyx tabular, angled, 5-clcft. Corolla salver-shaped, enlarging above the 

 insertion of the stamens ; the 5 lobes often notched cr inversely heart-shaped. 

 Stamens 5, included. Pod many-seeded, splitting at the top into 5 valves or 10 

 teeth. — Low perennial herbs, producing a tuft of veiny leaves at the root, and 

 simple scapes, bearing the flowers in an umbel. (Name a diminutive of primus, 

 from the flowering of the true Primrose in early spring.) 



1. P. farinosa, L. (Bird's-eye Primrose.) Leaves elliptical or 

 obovate-lanceolate, the lower surface and the 3 - 20-flowercd involucre, $-c. covered 

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

 St. Clair, Huron, 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-flowcred ; lobes of the flesh-colored corolla 

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

 Lake (SartweU) and Annsville, Oneida County, New York (Knieskern and 

 Vasey), Willoughby Mountain, Vermont ( Wood, $•&), and northward. May. — 

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



P. veris and P. vulgaris are the Cowslip and Primrose of Europe, 

 from which various cultivated varieties arc derived. 



2. ANDROSAGE, 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 old name, composed of 

 avhpos-i of man, and o-clkos, a shield : unmeaning. ) 



I. A. OCCidesitalis, Pursh. Smoothish; 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. © — 

 Hills on the Mississippi, Illinois, and northwestward. 



