18 SELECTED WESTERN FLORA 



1. T. glutinSsa, (Miohx.) Pers. 



Stem 4-16 in. high, pubescent, covered with dark glands, and sticky to 

 touch; leaves short, linear; seeds with a crooked tail at each end. Cold 

 bogs and borders of mountain streams or lakes. From Hudson Bay west- 

 ward, and in the Rocky Mts., and valleys of streams flowing eastward. 



6. CALOCHORTUS. 



Perianth segments narrow, separate, the three outer sepal-like, 

 the three inner petal-like, bearded or spotted, and glandular within; 

 stamens 6, hypogenous; ovary 3-oelled; stigmas 3, reourvod; 

 seeds flat. Perennial herbs from coated corms, with narrowly linear 

 leaves and large showy flowers. 



1. C. Nuttallii, T. and G. 



Stem 3-12 in. high, few-leaved, usually branched; leaves narrowly linear, 

 the lowegt generally with a bulblct in the axil ; flowers, white, purplish, or 

 yellowish, yellow within, with a gland at the base of each petal. Foothills 

 of Rocky Mts. 



7. ALLIUM. Onion. 



Perianth of 6 colored sepals, distinct or but slightly united, and 

 often persistent when dry; stamens 6, filaments frequently dilated 

 at the base; stylo persistent, thread-like, and stigma only slightly, 

 if at all, 3-lobed; capsule 3-valved. Strong-scented herbs from a 

 coated bulb, with round scape-like leaves and flowers in a simple 

 umbel, some of the flowers being frequently replaced by bulblets. 



1. A. Schoenoprasum, L. 



Scape 8-20 in. high, rather stout; bulbs narrowly ovoid, clustered, and 

 fibrous-coated; umbel globular, many-flowered; flowers , rose-purple; seg- 

 ments of the perianth lanceolate. Moist places, Man.-Alta. 



/ 



2. A. stellatum, Ker. 



Scape 6-15 in. high, slender, rather stiff above; bulbs narrowly ovoid, 

 usually solitary, membranous-coated ; leaves somewhat flat ; umbel several 

 or many-flowered, erect; flowers rose-pink; segments of the perianth ovate. 

 Prairie, Man.-Alta., widely distributed, but never plentiful. 



3. A. cernuum. Roth. Nodding Wild Onion. 



Scape slender, 8-20 in. high; bulbs usually clustered, not fibrous-coated ; 

 leaves mostly shorter than the scape, flat or grooved; umbel many-flowered, 

 nodding; flowers white or pink; segments of the perianth Ovate. Prairies, 

 Man.-Alta. 



