HEATH FAMILY 



23 



valved from above. — The expansion of the corolla curves the filaments outward and 

 backward, so that irritation or jostling of the stamens or corolla, as by an insect, 

 causes the elastic filaments to release the anthers with considerable violence, thus 

 scattering the pollen. — Species 6, North America. (Peter Kalm, early North 

 American explorer, KJnight of the Order of Vasa and a pupil of Linnaeus. ) 



1. K. polifolia Wang. Swamp Laurel. (Fig. 284.) Erect, 1 to 2 feet high ; 

 leaf -blades elliptic-oblong to oblong, shining gi-een above, glaucous or whitish be- 

 neath, entire, revolute-margined, i/o to 1 inch long; sepals ovate; corolla bright pink 

 or rose-purple, 6 to 9 lines broad ; valves of the capsule pouch-shaped, splitting half- 

 way down the back but closed in front below, the open- 

 ing above corresponding to a placenta; placentae per- 

 sisting on the summit of the axis. 



Wet meadows or bogs, 3500 to 8000 feet: Hum- 

 boldt and Siskiyou Cos. ; Sierra Nevada from Eldorado 

 Co. to Modoc Co. North to Alaska, east to Newfound- 

 land. June-July. 



Locs. — North Coast Ranges: Bald Mt., Humboldt Co., 

 Tracy 7177; Trinitj' Summit, Tracy 14,261 ; Jackson Lake, Sis- 

 kiyou Co., Alexander 4" Kellogg 140. Sierra Nevada: Fallen 

 Leaf Lake, If. S. Baker; Squaw Valley, Placer Co., L. S. Smith 

 1591; Frog Lake, Castle Peak, Nevada Co., Sonne; Lassen 

 Creek, Warner Mts., Modoc Co., L. S. Smith 908. 



Var. mlcropliylla Eehd. Alpine Laurel. Two to 3 inches 

 high ; leaves often seemingly linear on account of the strongly 

 revolute edges, 3 to 7 lines long; corolla 5 to 7 lines broad. — 

 Wet meadows or swamps, 7,000 to 12,000 feet: Sierra Nevada 

 from Tulare Co. to Shasta Co.; north to British Columbia, east 

 to Colorado. 



Loca. — Twin Lakes, Tulare Co., W. Fry 371 ; Evolution 

 Basin, Fresno Co., E. Ferguson 475 ; Nellie Lake, Fresno Co., 

 A. L. Grant ; Vogelsang Pass, Yosemitc, Jepson 3227 ; Bloody Caiion, Mono Co., Jcpson 4460 ; Til- 

 deu Lake, Tuolumne Co., Jepson ; Suzy Lake, Eldorado Co., Ottley 1148 ; Lassen Peak, ./. Grinnell. 



Refs.— Kalmia poub^olia Wang., Beob. Ges. Naturf. Freunde Berlin 2=:130 (1788), type 

 loc. Newfoundland; Jepson, Fl. W. Mid. Cal. ed. 2, 313 (1911), Man. 742 (1925). Kalmia glauca 

 Ait., Hort. Kew. ed. 2, 3:47 (1811). Var. microphylla Rehd.; Bailey, Cyclop. Am. Hort. 2:854 

 (1900) ; Jepson, Man. 742, fig. 725 (1925). Kalmia glauca var. micropliylla Hook., Fl. Bor. Am. 

 2:41 (1834), type loc. Rocky Mts., Drummond. 



Fig. 284. 

 lia Wang. 



Kalmia polifo- 

 a, 11. branchlet, 



X V2; b, long. sect, of fl.,X 2; 



c, stamen, X 4; (?, capsule, 



X 2. 



5. PHYLLODOCE Maxim. 



Diminutive alpine heath-like shrubs. Leaves evergreen, alternate, crowded, 

 linear, with revolute margins, articulated with the stem and leaving behind a raised 

 scar when falling away. Flowers in ours rose-color, racemose-crowded at the sum- 

 mit of the branches and therefore appearing umbellate. Pedicels glandular, each 

 with 2 bracts at base. Calyx of 5 (rarely 4) sepals. Corolla open-campanulate, 

 5-lobed. Stamens 7 to 10; anthers opening by an oblique terminal chink. Capsule 

 globose, septicidally 5-valved from the summit. — Species 7, North America, Europe 

 and Asia. (Greek phullodoce, a sea nymph mentioned by Virgil.) 



Stamens exserted ; corolla 5-clef t to the middle 1. P. breweri. 



Stamens included; corolla merely 5-lobed 2. P. empetriformis. 



1. P. breweri Hel. Hikers Heather. Stems rigid, 4 to 12 inches high; leaf- 

 blades entire or obscurely serrulate, 3 to 7 lines long; sepals mostly glabrous; corolla 

 deeply saucer-shaped or bowl-shaped, 4 to 6 lines broad, 5-eicft nearly or quite to 

 the middle, the lobes recurving from the tip; style exserted. 



Alpine rocky slopes, 4000 to 12.000 feet: Sierra Nevada from Shasta Co. to 

 Tulare Co.; San Bernardino Mts. July- Aug. 



