WOOTON AND STANDLEY FLORA OF NEW MEXICO. 263 



KEY TO THE SPECIES. 



Corolla purplish pink ; plants tall, about 1 meter high 4. C. brandegei. 



Corolla bright yellow; plants low, usually less than 30 cm. high. 

 Pods not torulose, slightly curve'd ; pedicels erect or ascend- 

 ing; racemes many-flowered, dense; spur about equal- 

 ing the body of the flower; stems stout, mostly erect. . 1. C. montanum. 

 Pods torulose, incurved -ascending; pedicels reflexed; ra 

 cemes few-flowered , lax ; spur about half as long as the 

 body; stems slender, weakly ascending or prostrate. 

 Bracts narrowly lanceolate to oblong, 8 mm. long or 

 usually less; petioles without pinnae near the 



base 2. C. aureum. 



Bracts rather broadly oblanceolate, 12 to 25 mm. long; 

 a pair of pinnae present almost at the base of the 

 petiole 3. C. euchlamydeum. 



1. Capnoides montanum (Engelm.) Britton, Mem. Torrey Club 5: 166. 1894. 

 Corydalis montana Engelm.; A. Gray, Mem. Amer. Acad. n. ser. 4: 6. 1849. 

 Corydalis aurea occidentalis Engelm.; A. Gray, Man. ed. 5. 62. 1867. 



Type locality: Rocks, Santa Fe Creek, New Mexico. Type collected by Fend- 

 ler (no. 17). 



Range: South Dakota to Utah, Arizona, and Texas, south into Mexico. 



New Mexico: Santa Fe Creek; Burro Mountains; Mangas Springs; Black Range; 

 Mesilla Valley; Organ Mountains; near Gray; mountains west of San Antonio. Open 

 slopes, in the Lower and Upper Sonoran zones. 



2. Capnoides aureum (Willd.) Kuntze, Rev. Gen. PI. 1: 14. 1891. 

 Corydalis aurea Willd. Enum. PL 740. 1809. 



Type locality: "Habitat in Canada." 



Range: British America to Pennsylvania, Texas, and California. 



New Mexico: Chama; Tierra Amarilla; Santa Fe and Las Vegas mountains; Zuni; 

 Magdalena Mountains; Sandia Mountains; Mogollon Mountains; Black Range; San 

 Luis Mountains; Organ Mountains. Damp thickets, in the Transition Zone. 



3. Capnoides euchlamydeum Woot. & Standi. Contr. U. S. Nat. Herb. 16: 122. 



1913. 



Type locality: Cloudcroft, Sacramento Mountains, New Mexico. Type collected 

 by Wooton, August 8, 1899. 



Range: Damp woods in the Sacramento and White mountains of New Mexico, in 

 the Transition Zone. 



4. Capnoides brandegei (S. Wats.) Heller, Cat. N. Amer. PI. 4. 1898. 

 Corydalis brandegei S. Wats. Bot. Calif. 2: 4:10. 1880. 



Type locality: "Mountains of southern Colorado and in the Wahsatch." 



Range: Utah and Colorado to corthern New Mexico. 



New Mexico; Chama (Standley 6706). Damp canyons, in the Canadian Zone. 



56. BRASSICACEAE. Mustard Family. 



II. annuals, biennials, or perennials, sometimes with woody base, with 



ery, acrid or pungent Bap; leaves alternate; Sowers in mostly terminal racemes, 

 rally small; Bepals I. deciduous; petal-i i. rarely wanting; stamens 6, tetrady- 

 oamous, rarely 2 or 4; ovary 2-celled by a thin partition, rarely I celled; h 

 ailique or silicle. (The fruit J for the determination of 



