WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 429 
KEY TO THE GENERA, 
Sepals auriculate at the base; flowers mostly large and 
showy; lower petal spurred.........-.. wee eee eee 1. Viowa (p. 429). 
Sepals not auriculate; flowers small, greenish; upper and 
lateral petals markedly unequal. .............--.- 2, CALCEOLARIA (p. 431). 
1. VIOLA L. VIOLET. 
Low perennial herbs, acaulescent or with short stems, with alternate stipulate 
leaves of various shapes; flowers solitary, scapose, on axillary peduncles, often of 
two kinds, the later ones cleistogamous; petals irregular, the lowermost spurred or 
saccate at the base; capsules elastically dehiscent. 
The writers wish to acknowledge their appreciation of the assistance of Dr. Ezra 
Brainerd in the preparation of the account of this genus, 
KEY TO THE SPECIES. 
Plants acaulescent. 
Leaf blades lobed. 
Lobes of leaves linear or nearly 80, numerous, extending 
nearly to the base...............---------------- 1. V. pedatifida. 
Lobes oblong, few, separate only about half way to the 
base. ..... 2-2. ee eee eee eee eee eee eee eee ee eens 2. V. wilmattae. 
Leaf blades not lobed. 
Flowers white. .....---.---------------e2e- cece eee 3. V. pallens. 
Flowers blue. 
Leaves broadly ovate, obtuse; capsules 5 to 10 mm. 
long........2-...2-2 2-22 eee eee eee eee eee . 4. V. nephrophylla. 
Leaves deltoid, acutish; capsules 10 to 15 mm. long. 5. V. missourtensis. 
Plants caulescent. 
Flowers yellow or brownish.......-...---------+++--+-++++--- 6. V. pinetorum. 
Flowers blue or white. 
Flowers blue. 
Leaves deeply cordate; stems much elongated, 
slender, not cespitose...............-------- 7. V. montanensis. 
Leaves rounded to acutish at the base; stems stout, 
thick, cespitose. 
Leaves glabrous or nearly so........-.-.-...... 8. V. adunca. 
Leaves puberulent..........-....-.------+-+-+-- 9. V. puberula, 
Flowers white or nearly so. 
Stipules fimbriate ..............---------+---+---+-- 10. V. reptans. 
Stipules entire. 
Leaves nearly glabrous beneath; petals not 
retuse........-------- 2 eee ee eee eee eee 1l. V. canadensis. 
Leaves muriculate-scabrous on both surfaces; 
petals retuse.............-----+-+-------- 12. Y. muriculata. 
1. Viola pedatifida Don, Hist. Dichl. Pl. 1: 320. 1831. 
Typr Locatity: North America. 
Rance: Colorado and New Mexico to Saskatchewan and Illinois. 
New Mexico: Sierra Grande; between Park View and Tierra Amarilla. Plains 
and low hills, in the Upper Sonoran Zone. 
2. Viola wilmattae Pollard & Cockerell, Proc. Biol. Soc. Washington 15: 18. 
1902. ; 
TypE Locatity: Sapello Canyon, Beulah, New Mexico. Type collected by Mrs. 
W. P. Cockerell in 1901. 
