282 



[Vol. 9 



GARDEN 



Yellowstone Nat. Park, July, 1904, Oleson 242 (Rky. Mt. Herb.). 



Idaho: saline flats, American Falls, July 28, 1911, Nelson & 

 Macbride 1380 (Mo. Bot. Gard. Herb, and Rky. Mt. Herb.). 



Utah: 1847, Parry (Mo. Bot, Gard. Herb.). 



CHLOROCRAMBE 



Chlorocrambe Rydb. Bull. Ton*. Bot. Club 34: 435 1907. 



Perennial herb with rather stout, erect stem and thin, petioled, 

 more or less hastate leaves. Flowers greenish yellow in a loose, 

 virgate raceme, slightly deflexed; sepals similar, spreading; petals 

 dentate or laciniately toothed laterally. Pods widely spreading, 

 subterete, shortly stipitate; stigma entire; cells of septum elon- 

 gated parallel to the replum, not tortuous. Seeds neither winged 

 nor margined; cotyledons obliquely accumbent. Generic type: 

 C. hastata (Wats.) Rydb. 



1. C. hastate (Wats.) Rydb. Bull. Torr. Bot. Club 34: 435. 

 1907 ; Rydb. Fl. Rocky Mountains, 365. 1917. 



Caulanthus hastatus Wats. Bot. King's Exp. 28. t. 3. 1871; 

 Robinson in Gray, Syn. Fl. N. Am. I 1 : 17:5. 1895; Howell, Fl. 

 Northwest Am. 47. 1897; Nelson in Coulter & Nelson, Manual 

 Cent. Rocky Mountains, 210. 1909; Garrett, Spring Flora of the 

 Wasatch Region, 48. 1912. 



Perennial, glabrous throughout: stem erect, simple or spar- 

 ingly branched, rather stout, 6-15 dm. high: all except the up- 



late 



ample; blade broadly deltoid, hastate 



lobed, 5-10 cm. Ions:, base 



times subcordate; petioles of 



8-15 cm. long, becoming shorter above, frequently appendaged 

 with several entire or irregularly lobed segments of the blade; 

 uppermost leaves narrowly_ lanceolate, entire, much reduced: 

 sepals greenish white, nearly equal, not saccate at the base, 

 narrowly lanceolate, about 6 mm. long, slightly spreading, dis- 

 tant; petals whitish, somewhat exceeding the sepals, irregu- 

 larly dentate or sublaciniate laterally towards the base, nar- 

 rower and frequently linear above ; filaments linear, slightly en- 

 larged near the base, distinctly longer than the petals, anthers 

 3-4 mm. long, apiculate; nectar glands rather well developed: 

 inflorescence racemose; pedicels deflexed-divaricate, enlarged at 

 the apex, somewhat laterally compressed at the base, 7-10 mm. 

 long: pods widely spreading, subterete, slightly flattened parallel 



