Tiddcecs 11 
BB. Stem leafy; bracts green, not scarious. 
C. Leaves 8—I6 mm. wide; flowers 2—3; perianth-tube 12—-15 mm. long; 
capsule 3.8—4.2 cm. long. U. 
I. douglasiana Herb. 
CC. Leaves 3—5 mm. wide; flower |; perianth-tube less than 10 mm. long; 
capsule 1.72.5 cm. long. W. 
I, tenax Dougl. 
AA. Flowers white or yellow, sometimes striped or blotched with other colors. 
D. Leaves not evergreen; bracts 2.55 cm. long. 
E. Plant 1-flowered; flower white; outer perianth-segments 5-7 cm. long; cap- 
sule oblong. W. _ I. tenax Dougl. 
EE. Plant 2-flowered; flowers white, blotched and striped with yellow and pur- 
ple; outer perianth-segments 33.5 cm. long; capsule globose. C. 
I, tenuis Wats. 
DD. Leaves evergreen; bracts 5—7.5 cm. long. 
F. Flowers yellow; perianth-tube less than 2.5 cm. long, funnelform; spathe- 
bracts short-acuminate. U. 
I. bracteata Wats. 
FF. Flowers white to yellow, with blue veins; perianth-tube 57.5 cm. long, 
filiform; spathe-bracts long-acuminate. U. 
I. chrysophylla How. 
SISYRINCHIUM BLUE-FYED GRASS 
Tufted, slender, with short rhizomes; roots fibrous; stems simple or branched, 
2-edged or 2-winged. Leaves linear, grass-like. Flowers in a terminal umbel, or only 
f, rather small, mostly blue; spathe-bracts 2, green or purplish, erect. Perianth-tube 
short or none; segments 6, spreading, oblong or obovate, alike, mostly aristulate. Fila- 
ments united at least at base. Style 1, 3-cleft; stigmas filiform, alternate with the 
stamens. Fruit globose, oval or obovoid, 3-valved. Seeds 9—12. Mostly in wet 
grassy places. (Gk. sisyrinchion—the name of some Flag-like plant.) 
A. Inner bracts exceeding the flowers. 
B. Stem 2—3 mm. wide; perianth 12—14 mm. long, deep blue, with orange- 
yellow eye. W. S. littorale Gr. 
BB. Stem i—1.5 mm. wide; perianth 7—10 mm. long, light-blue, without eye. C. 
S. sarmentosum Suks. 
AA. Inner bracts not reaching the tips of the flowers. 
C.  Perianth 4—7 mm. long. white or pale; leaves 0.5—-I mm. wide; stem 0.5—1 
mm. wide. E. S. septentrionale Bick. 
CC. Perianth 10—22 mm. long, dark blue; leaves | mm. or more wide( except S, 
segetum) ; stem | mm. or more wide (except S. segetum). 
D. Stem usually 2-branched. W. 
S. biramium Pip. 
DD. Stem always simple. 
E. Outer spathe-bracts 3—7 cm. long. W. E. (S. idahoense.) 
§. macounii Bick. 
EE. Outer spathe-bracts 1.8—3.8 cm. long. W.E. (S. segetum; S. bellum 
for our region.) S. occidentale Bick. 
HYDASTYLUS YELLOW STAR-GRASS 
Black to purplish when dry; rhizome obscure or none; stem 2-edged, simple, sca- 
pose. Leaves narrowly linear. wider at base. somewhat equitant. Spathe-bracts 2, en- 

