OF THE WASATCH REGION 9 



masses called 'pollinia (granular in Cypripedium). 

 Ovary "inferior," 1-celled, with .3 parietal placentae. 

 Fruit a capsule. 



With large green leaves; perfect anthers 2; flowers 



showy 1. Cypripedium 



Without green leaves; anther 1; flowers not 



showy 2. Corallorhiza 



1. CYPRIPEDIUM. Lady's Slipper; Mocassin Flower. 



Stems pubescent, from coarsely-fibrous roots. Leaves con- 

 spicuously nerved; sheathing at the base. Flowers large. 

 Sepals spreading; the two lower usually united. Petals 

 usually spreading, the lip an inflated sac. Fertile stamens 2, 

 with the rudiments of a third. Column declined. Stigma 

 terminal. 



1. C. parviflorum Salisb. Yellow Lady's Slipper. Stem 8-18 

 in. high, leafy at the top. Flowers 1-3, both the sepals and 

 the lateral petals greenish-yellow; lip yellow. In timber along 

 streams. May-July. Rare. 



2. CORALLORHIZA. Coral-root. 



Root-parasites; stems from fleshy, branched, coral-like 

 rootstalks. Flowers racemose, in a solitary scape with 2-4 

 membranous sheaths; brownish, yellowish or purplish; pedicels 

 reflexed in fruit. Sepals and petals ascending, the lateral 

 sepals oblique at the base. 



1. C. multiflora Nutt. Scape many-flowered, 1-2 ft. high. 

 Sepals and petals 3 -nerved; spur of sepals adnate to ovary; 

 lip nearly sessile, 3-lobed by a deep cleft on each side. Cap- 

 sule */2~ A. in. long, narrowed to a short, rather stout pedicel. 

 Rich, moist soil in mountains, May-August. 



ORDER SALICALES. 



SALICACE^:. Willow Family. 



Dioecious shrubs or trees, with alternate simple 

 leaves. Stipules present, but soon falling off. Flowers 

 in catkins, 1 to each bract of the catkin. Ovary 1-celled 

 with or without a style and with 2 more or less lobed 

 stigmas. Fruit a 1-celled, 2-valved capsule containing 

 many downy-tufted seeds. 



Bract entire. Flowers with small glands; disks none. 



Buds with a single scale 1. Salix 



Bracts irregularly incised at apex as if torn. Flowers 

 with a broad or cup-shaped disk somewhat re- 

 sembling a calyx. Buds resinous, with several 

 stales 2. Populus 



