74 ERICACEZS, 
10. RHODODENDRON, Linnmus. 
Deciduous: flowers from lateral buds, nodding; corolla nearly rotate......cccceswccee O 
flowers from terminal buds; tube funnel-form; limb spreading.........00. 2 
Evergreen: many-flowered corymbs terminal: corolla campanulate, lobes broad....... 8 
1, B. albifiorum, Hooker. Low: corolla white, 5-cleft: stamens included. 
2. B. occidentale, Gr. Taller: corolla white, viscid; stamens exserted. 
3. BR. Californicum, Hooker. Leaves 3 to 6 inches long: corolla. rose-purple. 
11. LEDUM, Linnaeus. 
1 WL. latifolium, Ait, Leaves rusty-tomentose below, margins strongly revolute, 
2, IL. glandulosum, Nutt. Leaves whitish beneath, resinous, scarcely revolute. 
12, CLADOTHAMNUS, Bongard. 
1. ©. pyrolsefiorus, Bong, Tall, slender, smooth: sepals equaling the petals. 
138. CHIMAPHILA, Pursh. 
1. ©. Menziesii, Spreng. Leaves often mottled above: peduncle 1-3-flowered. 
2. ©. umbellata, Nutt. Taller (1 or 2 ft. high) leaves not spotted: flowers 4 to & 
14. MONESES, Salisbury. 
1. ML uniflora, Gr. Corolla white or rose-tinged, 4-2in. broad. Cold bogs. 
15. PYROLA, Tournefort. 
Stamens connivent about the straight style, not declined: stigma peltate.......... 1, 3 
Stamens and style bending downward then upward: style exserted. 
Corolla greenish white: calyx-lobes short..........sescceerceeecceees 3, 4, 6 
Corolla rose-purple or purplish: scaly bracts large..........cee cece ee eee eee 5 
Leaves sometimes veined or splotched with white..........:.eceeneeecee 5, 6 
Leaves wanting: scapes reddish: petals obovate, white...... wgrenshaisiseaete senses 7 
P. minor, L, Leaves orbicular, an inch long or less: style short, 
P. secunda, L. Leaves ovate, 1 to 2 inches long: petals oblong: style long. 
P. chlorantha, Swartz. Leaves orbicular, 5 to 8 lines long: sepals obtuse. 
P. elliptica, Nutt. Leaves 14 to 24 inches long, longer than the petioles, 
P. rotundifolia, L. Leaves orbicular or nearly so, shining above. Ouly the 
var. bracteata, Gr., found on this coast, which often has large white-banded leaves, 
6. P. picta, Smith. Leaves broadly ovate to narrow or spatulate, coriaceous. 
7. BP. aphylla, Smith. Scapes a span to a foot high: bracts subulate. 
ee meade lee 
16. ALLOTROPA, Torrey & Gray. 
1. A. virgata, T.&G, Thick and densely bracteate at base, ending in a long spike, 
