


Pyrolaceae 291 
sterile flowers 4-parted; segments linear: ovary none. Calyx of the fertile flowers shortly 
2-lobed or entire: stamens none: ovary I-celled; styles 2. Fruit a berry, blue or purple. 
Seeds |—2. (Honor of M. Garry, of the Hudson Bay Company.) 
A\..” Leaves: mostly truncate or rounded ‘at base, rounded or acute at apex, undulate, 
densely tomentose beneath. W. G. elliptica Doug]. 
AA. Leaves acute at both ends, entire. 
B. Leaves 3.7—6.2 cm. long, glabrous or nearly so beneath. W. C. 
G. fremontii Torr. (Bear Bush) 
BB. Leaves 2.53.7 cm. long, densely white appressed-silky beneath. U. 
G. buxifolia Gray 
PYROLACEAE Wintergreen Family 
Herbs or shrubs, low, perennial, with branched rhizomes. Leaves none or evergreen 
and coriaceous, simple, petioled. Flowers perfect, nearly regular, solitary or racemose 
or corymbose, white or pink or green or purple or yellow (not ours). Calyx-segments 
4—5. Petals 4—5, nearly or quite distinct. Stamens twice as many as_ the 
petals; anthers opening by pores or slits at one end. Ovary superior, 4—5-celled; style 
often curved; stigma 4—5-lobed or -crenate. Fruit a capsule, loculicidal, dehiscent. 
Seeds, many, minute. 
A. Leaves opposite or whorled; flowers solitary or in corymbs or umbels. 
B. Flowers in corymbs or umbels; style very short; leaves on erect or ascending 
branches. CHIMAPHILA (p. 291) 
BB. Flowers solitary; style long; leaves much clustered at base. MONESES (p. 291) 
AA. Leaves basal and not showing opposite if so; flowers in racemes. 
PyROLA (p. 291) 
CHIMAPHILA PIPSISSEWA 
Herbs or shrubs, ours 3 dm. or less high; stems decumbent; branches leafy. Leaves 
opposite or whorled, short-petioled, serrate. Flowers spreading or nodding, white or 
purplish, in terminal corymbs. Calyx 5-cleft or -parted, persistent. Petals 5, nearly 
orbicular, spreading or recurved. Ovary 5-lobed, 5-celled; style very short, obconic. 
Capsule erect, globose, 5-valved from the top; valve-margins not woolly. (Gk. chei- 
ma—winter, phileo—I love; because it is evergreen.) 
A. Leaves cuneate-oblanceolate, not white-mottled; flowers usually more than 3. W. 
Ss Soe C. umbellata Nutt. 
AA. Leaves ovate to oblong-lanceolate, often white-mottled; flowers |—3. W. C. E. 
C. menziesii Spreng. (Spotted Pipsissewa) 
MONESES 
Herbs; stem decumbent. Leaves opposite or in whorls of 3, crenulate; in ours or- 
bicular to ovate, 1.2—4 cm. long. Flower |, terminal, drooping, on a long scape. Ca- 
lyx persistent. Petals spreading, broadly ovate or orbicular. Style straight. Capsule 
subglobose, 4—5-lobed, 4——5-celled, 5-valved from the top; valve-margins not woolly. 
(Gk. monos—1, esis—delight; referring to the single beautiful flower.) W. C. E. 
M. uniflora Gray (Single Beauty) 

PYROLA WINTERGREEN 
Herbs, glabrous, stoloniferous. Leaves basal or none, persistent. Flowers nodding 
(ours) or ascending, green or white or pink (ours), racemose, on erect bracted scapes. 
