Salicace^ 25 



stigma on the front and the anther on the back; pollen masses 2. 

 Slender herbs from fleshy or tuberous roots bearing spikes ol small 

 spurless flowers in 1-3 more or less spirally twisted rows. 



1. S. Romanzoffiana, Cham. 



Stem 3-15 in. high, leafy below and braoted above; leaves oblong to 

 linear; scape pubescent above; spike dense, the flowers appearing in several 

 rows; flowers yellowish white, the Up constricted near the middle, and the 

 apex recurved. Wet places, Man.-Alta. 



2. S. gracilis, (Bigel.) Beck. 



Stem slender, 8 in.-2 ft. high, from a cluster of spindle-shaped tuberous 

 roots; flowers white with a greenish lip, fragrant, in a single row, usually 

 spirally twisted around the axis. Open woods and grassy slopes, N. Mai., 

 westward and northward. 



8. CORALLORRHIZA. Coral Root. 



Perianth gaping, very slightly spurred, the sepals and petals 

 colored alike. Reddish or yellowish saprophytic herbs, without 

 green leaves, springing from branched and knotted' rootstooks; 

 flowers in a raceme and about the color of the stem. 



1. C. trifida, Chatelain. 



Stem rather slender, 4-12 in. high, glabrous, yellowish, with a few scales; 

 lip whitish without red markings, notched at the apex, and a, small tooth 

 on each side near the base ; spur obscure. Cool, moist wpods, Man.-Alta. 



2. C. maculata, Raf. 



Stem stouter than the preceding, 6-18 in. high, clothed with several 

 scales, reddish purple; lip white, spotted or marked with red, deeply 3-lobed, 

 the middle lobe broad, rather square, and curved downward at the apex. 

 Red River Valley at Winnipeg. 



CLASS II. DICOTYLEDONE^. 

 Net-veined leaves, exogenous stems, and dicotyledonous seeds. 



XVIII. SALIC ACE^ (Willow Family). 



Dioecious trees or shrubs with both kiilds of flowers in catkins, 

 without perianth, and each in a bract or scale; fruit a pod, 1-celled 

 and 2-4-valved, with numerous seeds furnished with long, silky 

 down; stigmas 2; leaves alternate, stipulate, the stipules often 

 deciduous or scale-like. 



