54 COMMON CANADIAN WILD PLANTS. 



6. ROBIVIA, L. LOCUST-TREE. 



1. R. Pseudaea'Cia, L. (COMMON LOCUST.) Racemes slen- 

 aer, loose. Flowers white, fragrant. A large tree. 



2. R. viseo'sa, Vent. (CLAMMY L.) Racemes crowded. 

 Flowers white, with a reddish tinge. Branchlets and leaf- 

 stalks clammy. Smaller than No. 1. 



7. ASTRAG'ALUS, Tourn. MILK- VETCH. 



NOTE. All the following species except Nos. 2, 7, 8 and 

 10 belong to the North- West. 



"Pod completely 2-ceIIed, beinir divided lengthwise by tbe intrusion 

 of one or both sutures. 



(a) Pod thick and fleshy, sessile. 



1. A. earyoear'pus, Ker. (GROUND PLUM.) A pale per- 

 ennial, with low leafy stems, and minutely pubescent. 

 Flowers violet, large, in short spike-like racemes. Leaflets 

 about 21 , elliptical-oblong. 



(6) Pod coriaceous or cartilaginous. 

 -i- Pod sessile. 



2. A. CanadensiS, L. (CANADIAN MILK- VETCH.) Stem 

 erect, 1-4 feet high, somewhat pubescent (or glabrous). 

 Leaflets 21-27, linear-oblong, comparatively large. Flowers 

 greenish -yellow, in long dense spikes. Pod and ovary 

 glabrous. Common from Quebec to the Rocky Mountains. 



3. A. adsup'gens, Pall. Stem 4-18 inches high, ascend- 

 ing or decumbent, grayish with appressed pubescence. 

 Leaflets about 21, narrowly oblong. Flowers purplish, 

 medium-sized, in dense short spikes. Pod finely pubescent, 

 triangular-compressed, with a dorsal furrow. 



t- *- Pod with a very short stalk. 



4. A. hypoglot'tis, L. Stem slender, 6-24 inches long, 

 diffusely procumbent or ascending, sparingly pubescent. 

 Leaflets 15-21. Flowers violet, in capitate clusters. Calyx 

 copiously pubescent. Pod silky- villous, with a dorsal furrow. 



