PIPER—FLORA OF THE STATE OF WASHINGTON, 83 
OPHIOGLOSSACEAE. 
Sterile portion of leaf simple, entire; veins netted.................-.--- OPHIOGLOSSUM. 
Sterile portion of leaf pinnately divided or compound; veins free... .... - BorrycHiuM. 
OPHIOGLOSSUM. 
1. Ophioglossum vulgatum L. Sp. Pl. 2: 1062. 1753. ADDER’S TONGUE. 
Type Locauity: ‘Habitat in Europae pratis sylvaticis.”’ 
Rance: Washington to Arizona, Texas, and Maine. Europe. Asia. 
SPECIMENS EXAMINED; Skamania County, Suksdorf, June 26, 1895; Falcon Valley, 
Suksdorf 1218. 
ZONAL DISTRIBUTION: Humid Transition. 
BOTRYCHIUM. Grape FERN. 
Bud in a cavity at one side of the base of the stem; leaves thin, ternate, 
then pinnately much divided. ...............-.-.-.-.------------ 1. B. virginianum., 
Bud inclosed in the base of the stalk. 
Sterile portion of leaf arising near the base of the rather large plant. 2. B  silaifolium. 
Sterile portion of leaf arising near the middle of the usually small 
plant. 
Green part of leaf oblong, its segments fan-shaped. 
Segments truncate at base, overlapping -.........-..--- 3. B. lunaria. 
Segments cuneate at base, distant ..........-.-2-.----- 4. B. onondagense. 
Green part of leaf triangular or ovate, the segments not fan- 
shaped. 
Segments lanceolate, acute; midvein continuous. ...-.-- - 5. B. lanceolatum. 
Segments oblong-ovate, obtuse; midvein dissipated... -- 6. B. neglectum. 
1. Botrychium virginianum (L.) Sw. Schrad. Journ, Bot. 18007: 111. 1801. 
Osmunda virginiana L. Sp. Pi. 2: 1064. 1753. 
Tyrpr Locauity: “ Habitat ini America.” 
Rance: British Columbia to Labrador, south to Washington, Arizona, Texas, and 
Florida. 
SPECIMENS EXAMINED: Seattle, Piper 906. 
ZONAL DISTRIBUTION: Transition. 
2. Botrychium silaifolium Presl, Rel. Haenk. 1: 76, 1825. 
Botrychium occidentale Underw. Bull. Torr. Club 25: 538. 1898. 
Type Locauity: “Hab. in Nootka-Sound.” 
Rance: British Columbia and Washington. 
SPECIMENS EXAMINED: Lake Cushman, [Henderson 1852; Seattle, Tarleton, July, 1894; 
Piper, October, 1892; Lake Wenache, Sandberg & Leiberg 639; Usk, Kreager 360; Lake 
Chelan, Elmer, September, 1897. 
ZONAL DISTRIBUTION: Humid Transition. 
This species appears in Suksdort’s List as Botrychium ternatum Swartz. 
3. Botrychium lunaria (L.) Sw. Schrad. Journ. Bot. 18007: 110. 1801. 
Osmunda lunaria L. Sp. Pl. 2: 1064. 1753. 
TYPE LOCALITY: European. 
RanGE: Washington to Colorado and Labrador and northward. Europe. Asia. 
SPECIMENS EXAMINED: Mount Rainier, Smith, October, 1888; Mount Adams, Suksdorf, 
July 11, 1886. 
ZONAL DISTRIBUTION: Arctic. 
The Mount Adams specimen is the basis for the inclusion of Botrychium simplex Hitch- 
cock in Suksdorf’s List. 
