WOOTOiSr AND STANDLEY FLORA OB" NEW MEXICO. 263 



KEY TO THE SPECIES. 



C'orolla puri^lish 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 curved ; 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; 

 MesiUa 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. PL 1: 14. 1891. 

 Corydalis aurea Willd. Enum. PI. 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 Transitioi^ Zone. 



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

 Corydalis brandegei S. Wats. Bot. Calif. 2: 430. 1880. 



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



Range: Utah and Colorado to northern New Mexico. 



New Mexico: Chama (Standley 6708). Damp canyons, in the Canadian Zone. 



56. BKASSICACEAE. Mustard Family. 



Herbaceous annuals, biennials, or perennials, sometimes with woody base, with 

 watery, acrid or pungent sap; leaves alternate; flowers in mostly terminal racemes, 

 generally small; sepals 4, deciduous; petals 4, rarely wanting; stamens 6, tetrady- 

 namous, rarely 2 or 4; ovary 2-celled by a thin partition, rarely 1-celled; fruit a 

 silique or silicle. (The fruit is necessary for the determination of genera and species.) 



