PLUMBAGINACEX. (LEADWORT FAMILY.) 71 
6. CHIMAPHILA, Pursh. Prpsissrwa. 
Corolla of rotately spreading, orbicular and concave petals, Stamens 10. Style very 
short, inversely conical, nearly immersed in the depressed ovary; stigma broad, its border 
somewhat 5-crenate. 
C. umbellata, Nutt. A nearly herbaceous evergreen, 6 to 18 inches high; the usually 
whorled leaves oblanceolate, bright green; peduncle bearing 3 to 7 white or flesh-colored, 
waxy flowers.—Mt. St. Helena, Mise E. Swett. 
7. PYROLA, Tourn. 
Corolla of 5 concave and converging petals. Stamens as in Chimaphila. Style gen- 
erally long; stigma 5-lobed or 5-rayed.—Low and smooth perennial herbs, with broad 
and petioled leaves, close to the ground, and more or less scaly-bracted scape bearing a 
simple raceme of white, greenish or rose-colored, nodding flowers. 
1. P rotundifolia, L. Leaves orbicular, varying to round-obovate or round-reni- 
form, on slender, naked petioles; scape 6 to 14 inches high; probably our plants are of the 
Var. bracteata, Gr. A large form, with leaves 2 or 3 inches long; scape often over a 
foot high. 
2. ¥P. picta, Smith. Leaves thick, coriaceous; pale, sometimes purplish below; com- 
monly blotched with white, ovate to obovate and lanceolate-oblong, on short petioles, 1 
to 2 inches long; smaller than the last. 
8. PTEROSPORA, Nutt. ~ 
Calyx deeply 5-parted, short, persistent. Corolla withering-persistent, globular-ovate, 
with contracted mouth; the 5 very short lobes, recurved. Stamens 10, included, short; 
stigma 5-lobed. 
1. P. andromedea, Nutt. A stout, purplish-brown or chestnut-colored and 
clammy-pubescent herb, 1 to 3 ft. high; raceme long, many-flowered; corolla white, 3 
lines long. 
BARCODES SANGUINEA, Torr. The Snow Prant of the Sierra Nevada belongs here. 
-Orver 34. PLUMBAGINACEZ:. 
Chiefly maritime herbs, with regular flowers, the parts in fives; the stamens opposite 
the petals. Calyx tubular or funnel-form, 5-plaited, 5-toothed, persistent. Corolla in 
our genera with the long-clawed petals scarcely united. Stamens adnate to the base of 
the petals, 
Flowers in a globose-head on a simple scape...-......0+.0-esee seer eeeee Armeria. 1 
Flowers on a branching scape... 1.60... csc cence cece cence sce terencreces Statice. 2 
