PIPER—FLORA OF THE STATE OF WASHINGTON. 437 
Tree; berry many-seeded...........-...-.-.------ Arsutus (p. 437). 
Shrub; drupe 5 to 10-seeded..... 22-22. ..-.-.----- ARCTOSTAPHYLOs (p. 487). 
Fruit a dry capsule. 
‘ Anther cells each tipped with a recurved awn. 
Leaves opposite; style long, slender..........--.--. CasstorE (p. 438). 
Leaves alternate; style short, stout... .--.2..2....- HARRIMANELLA (p. 439). 
Anther cells not appendaged. 
Corolla gamopetalous. 
Bracts firm, persistent; no scaly leaf-buds. 
Leaves heath-like; corolla without pouches. PuyLLopoce (p.439). 
Leaves lanceolate; corolla with 10 pouches, 
which hold the anthers. ...--.-.-------- Kawia (p. 439). 
Bracts thin, deciduous; leaf-buds scaly. 
Corolla funnel form, 5-lobed... 2.2.2.2... - RHODODENDRON (p. 440). 
Corolla globose, 4-toothed _...-....-.---.- MEnzIEsIA (p. 440). 
Corolla choripetalous; bracts deciduous. 
Flowers white, umbelled; leaves evergreen... -- . Lepcm (p. 440). 
Flowers coppery, solitary; leaves deciduous. . . - CLADOTHAMNUS (p. 442). 
ARBUTUS. 
1. Arbutus menziesii Pursh, Fl. 1: 282. 1814 MADRONA. 
Type Locauiry: “On the northwest coast ef America.’”’ Collected by Menzies. 
Rance: British Columbia to California along the coast. 
SPECIMENS EXAMINED: Mat Mats Bay, Binns; Seattle, Piper in 1888. 
ZONAL DISTRIBUTION: Humid Transition. 
Not uncommon, especially on the bluffs along Puget Sound, and in similar situations 
where the trees receive abundant light. 
ARCTOSTAPHYLOS. 
Erect shrubs 1 to 2 meters high .-......22222..-..-.-.--------------- 1. A. tomentosa. 
Prostrate creeping shrubs. 
Leaves retuse at apex.......-....22-2-.-.--------------------- 2. A. wea-urst. 
Leaves cuspidate at apex........2200..00-2.-0-2---2------------- 3. A. nevadens's. 
1. Arctostaphylos tomentosa (Pursh) Dougl. Bot. Reg. 21: pl. 1797. 1836. 
MANZANITA. 
Arbutus tomentosa Pursh, Fl. 1: 282. 1814. 
Type Locauiry: “On the North-west Coast of America.’’ Collected by Menzies. 
Ranae: Western Washington to California and Arizona. 
SPECIMENS EXAMINED: Tacoma, //eff, April 20, 1896; MeNeils Island, Flett, June, 1895; 
Mason County, Piper 898; Mount Constitution, Henderson, July 4, 1892; west Klickitat 
County, Suksdorf 985, 660; Olympic Mountains, Elmer 2473; Vancouver, Piper, Septem- 
ber, 1902; Vancouver, Piper 4936. 
ZONAL DISTRIBUTION: Humid transition. 
Hooker @ recognizes two forms of this species A. tomentosa hisjida and A. tomentosa 
nuda, the former with hispid, the latter with smooth branchlets. The first form is appar- 
ently typical A. tomentosa. 
2. Arctostaphylos uva-ursi (L.) Spreng. Syst. 2: 287. 1825. KINNIKINNICK. 
Arbutus ura-ursi L. Sp. Pl. 1: 395. 1753. 
Type Locauiry: “Habitat in Europa frigida, Canada.” 
Rance: Arctic regions, southward to Pennsylvania, New Mexico, and California. 
Europe. Asia. 
a Fl. Bor. Am. 2:37. 1884. 
