AMARYLLIDACEAE 49' 



1. AMARYLLIDACEAE. 



Hypoxis. 280. 



1. Hypoxis hirsuta (L.) Coville. Star grass. 



In low prairies in the eastern part of the state. Ashland; Inman; New- 

 ark; Lincoln; Otoe County; Plainview. 



2. IRIDACEAE. 



Style-branches petal-like, opposite the stamens. 1. Iris. 



Style-branches not petal-like, alternate with the stamens. 



Petals mottled, flowers 3-5 cm. broad. 2. Gemmingia. 



Petals not mottled, flowers less than 3 cm. broad. 3. Sisyrinchrum. 



1. Iris. 282. 

 1. iris versicolor L. Blue flag. 



In low wet places in the eastern part of the state, not common. Ash- 

 land; Nebraska City, 



2. Gemmingia. 284. 



1. Gemmingia chinensis (L.) Kuntze. Blackberry lily. 



Belamcanda chinensis (L.) DC. 

 Escaped from cultivation and spreading along roadside near Brunswick. 



3. Sisyrinchium. 284. 



1. Sisyrinchium angustifolium Miller. Blue-eyed grass. 



Common in prairies all over the state. Banner County; Central City; 

 Lincoln; Pine Ridge; Sheridan County; Thedford; Weeping Water. 



ORCHIDALES. 

 ORGHIDACEAE. 



Holophytes with normal green leaves. 



Fertile stamens 2, on the sides of the column, a large staminodium 

 central over the column. 1. Cypripedium. 



Fertile stamen one, central over the column, staminodia, if present, 

 lateral. 



Flowers with a spur at least 2 mm. long. 



Leaves all basal. 2. Orchis. 



Leaves not all basal. 3. Habenarla. 



Flowers not spurred. 



Petals joined to the upper sepal. 4. Ibidium. 



Petals free from the sepals. 5. Leptorchys. 



Saprophytes without green leaves, stems yellowish or brownish. 



6. Corailorrhiza. 

 1. Cypripedium. 290. 

 Lip yellow. 1. C. pubescens. 



Lip white. 2. C. candidum. 



1. Cypripedium pubescens Willd. Yellow lady's slipper. 



Cypripedium hirsutum. 

 In southeastern Nebraska long the Missouri River. Peru; Plattg- 

 mouth; Richardson County. 



