WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 461 
2. GAURA L. 
Annual, biennial, or perennial herbs with alternate, mostly narrow and small 
leaves, and small, red or pink flowers in terminal, sometimes elongated, racemes; 
hypanthium prolonged beyond the ovary; sepals and petals 4, the latter clawed and 
unequal; stamens usually 8, declined; ovary 4-celled; style declined; stigmas 4-lobed, 
surrounded by a cuplike border; fruit nutlike, ribbed or angled, indehiscent. 
KEY TO THE SPECIES, 
Anthers oval, attached near the middle...................-..---- 1. G. parviflora, 
Anthers linear or narrowly oblong, attached near the base. 
Fruit glabrous. 
Branches of the inflorescence, bracts, and calyx glandu- 
lar... 22 eee eee eee eee eee 2. G. glandulosa, 
Plants not glandular. 
Leaves deeply lobed or sinuate-dentate. 
Buds glabrous; bracts broadly obovate, acumi- 
nate .........-2-.------- 2222222 eee ee eee 3. G. brassicacea, 
Buds strigillose; bracts ovate or ovate-lanceolate, 
acute...........222 ee eee eee eee eee ee eee 4. G. strigillosa. 
Leaves entire or merely shallowly repand-dentate. 
Buds strigillose; fruit not stipitate............-. 5. G. gracilis. 
Buds glabrous; fruit short-stipitate.............. 6. G. podocarpa. 
Fruit pubescent. 
Fruit on long slender stipes. 
Branches of the inflorescence glabrous. .......... .-. 7, 
Branches of the inflorescence cinereous........--... 8. 
Fruit not on long slender stipes, sessile or with a short 
thick angled stipe. 
Fruit not constricted below the middle, with spread- 
ing pubescence...............-..-..---------- 9. G. neomexicana. 
Fruit constricted below the middle, appressed- 
pubescent. 
Stems strigose to hirsute............2...----.--- 10. G. coccinea. 
Stems glabrous. 
Bracts linear, acute, much exceeding the 
OVATICS. . 2.222. eee eee ee eee ee eee eee ll. G. induta. 
Bracts lanceolate or ovate, acuminate, much 
shorter than the ovaries..............- 12. G. linearis. 
1. Gaura parviflora Dougl.; Hook. Fl. Bor. Amer. 1: 208. 1830. 
Type Locauiry: ‘Sandy banks of the Wallahwallah River.”’ 
Rance: Washington and North Dakota to Louisiana and Mexico. 
New Mexico: Throughout the State. Lower and Upper Sonoran zones. 
2. Gaura glandulosa Woot. & Standl. Contr. U. S. Nat. Herb. 16: 153. 1913. 
TYPE Locauity: Reserve, New Mexico. Type collected by Wooton, July 9, 1906. 
RanGE: Mogollon Mountains of New Mexico, in the Transition Zone. 
8. Gaura brassicacea Woot. & Standl. Contr. U. 8. Nat. Herb. 16: 152. 1913. 
Tyre Locauity: Socorro, New Mexico. Type collected by G. R. Vasey in 1881. 
Ranae: Known only from type locality. 
4. Gaura strigillosa Woot. & Stand]. Contr. U. 8. Nat. Herb. 16: 152. 1913. 
Type Locaity: Wingfields Ranch on Ruidoso Creek, White Mountains, New 
Mexico. Type collected by Wooton, July 8, 1895. 
Rance: Known only from type locality, in the Transition Zone. 
. villosa, 
. cinerea, 
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