464 



IRIDACEAE 



/ 



6. Iris bracteata S. A\'ats. 

 Siskiyou Iris. Fig. 1135. 



Iris bracteata S. Wats. Proc. Am. Acad. 20: 375. 1885. 



Rootstock very slender, forming tufts. Stems slender, 

 simple, flattened, 2-3 dm. high ; basal leaf solitary, usually 

 much longer than the stem, 6-10 mm. wide, glossy green 

 above, pale beneath, firm and persistent; stem-leaves 2-3, 

 bract-like, the sheathing bases somewhat inflated and often 

 colored, the l)lades about 25 mm. long ; bracts somewhat in- 

 flated and tinged with red, 5-8 cm. long, 5-7 mm. wide, attenu- 

 ate at apex ; flowers 2, creamy white ; pedicels slender, 30-35 

 mm. long; perianth-tube funnel-form, 6 mm. long; sepals 

 oblong, 5-7 cm. long ; petals oblanceolate, somewhat shorter 

 than the sepals ; capsule ovate-oblong, 3 cm. long ; anthers 12 

 mm. long. 



Open coniferous forests, Transition Zone; Siskiyou Mountains, Ore- 

 gon. Type locality: near Waldo, Josephine County. 



7. Iris douglasiana Herbert. 

 Douglas" Irjs. 



Fig. 



1136. 



Iris douglasiana Herbert; Hook. & Arn. Bot. Beecliey 393. 



1841. 

 Iris douglasiana bracteata Herbert; Hook. & Arn. Bot. 



Beechey 395. 1841. 

 Iris douglasiana nuda Herbert; Hook. & Arn. Bot. Beechey 



395. 1841. 

 Iris beechc\ana Herbert; Hook. & Arn. Bot. Beechey 39o. 



1841. 

 Iris zvatsoniaiia Purdy; Erythea 5: 128. 1897. 



Rootstock rather stout, elongated, clothed by 

 the persistent leaf-base, these not becoming fib- 

 rous. Stem flattened, 25-50 cm. high, with 2 or^ 3 

 leaves, simple and.2-3-flowered, or rarely branch- 

 ed above and each branch 2-5 flowered. Basal 

 leaves equalling or usually much exceeding the 

 stem. 7-15 cm. long, acuminate, bright glossy 

 green, reddish at base; bracts separate, foliaceous, 

 lanceolate. 6-8 cm. long; pedicels 2-3 cm. long; 

 flowers bright or pale lilac-purple varying to 

 white or cream with lilac veins ; sepals 5-7 cm. 

 long, 15-25 cm. wide; petals oblanceolate, equal- 

 ing" the sepals; perianth-tube 15-20 cm. long; style-branches with long toothed crests; ovary 

 narrowly oblong. 3-4 cm. long ; capsule oblong, 4-7 cm. long, short-acummate, or acute at apex ; 

 seeds nearly globose. 



Open woods, especially in the redwood belt, forming tufts or small colonies, but on open hillsides near the 

 coast often forming extensive colonies. Humid Transition (mainly) and Upper Sonoraii Zones; Coast Ranges 

 from Curry County, Oregon, to Monterey County, California. Type locality: California, probably Monterey. 



8. Iris purdyi Eastw. 

 Purdy's Iris. Fig. 1137. 



Iris purdvi Eastw. Proc. Calif. Acad. II. Bot. 1: 78. 

 pL 7, fig. -2. 1897. 



Rootstock slender, about 3 mm. in diameter. 

 Stems 15-30 cm. high, somewhat flattened. Basal 

 leaves exceeding the stems, 6-7 mm. wide, erect 

 or laxly spreading, long-acuminate, pale green ; 

 cauline leaves several, more or less overlapping, 

 bract-like, the sheathing base inflated, tinged with 

 red, the leaf-blade attenuate, scarcely 2 cm. long; 

 bracts inflated, broadly lanceolate, 5-7 cm. long, 

 about 7 mm. wide, abruptly acuminate, tinged 

 with rose ; flowers 2, short-pediceled ; sepals 5-7 

 cm. long, 20 mm. wide, cream-color, with yellow 

 lines on the claw and purple veins on the spread- 

 ing blades ; petals linear-oblong, somewhat 

 shorter than the sepals ; perianth-tube slender, 

 4-5 cm. long; anthers 15-18 mm. long; capsule 

 oblong-ovoid, 25-30 cm. long, acute at each end. 



Hillsides in open forests. Upper Sonoran and Humid 

 Transition Zones; Siskivon Mountains, southern Oregon 

 to Mendocino County, California. Type locality : "red- 

 wood region of Mendocino County, around Ukiah." 



