WOOTON AND STANDLEY FLOKA OF NEW MEXICO. 599 



129. PINGUICUIACEAE. Bladderwort Family. 



1. UTRICITLAIIIA L. Bladderwort. 



Small slender aquatic herb with capillary-dissected leaves bearing small bladder- 

 like appendages, and with short, 1 to few-flowered scapes; calyx 2-lipped, the lips 

 entire or nearly so; corolla deeply bilabiate, yellow, the lower lip larger and 3-lobed, 

 spurred at the base in front; oA^ary free; style very short or none; stigma 2-cleft. 



1. Utricularia vulgaris L. Sp. PI. 18. 1753. 

 Type locality: "Habitat in Europae fossis paludibus profundioribus." 

 Range: Throughout most of North America and in Europe, Asia, and Africa. 

 New Mexico: Tunitcha Mountains (Standley 7559). In quiet water. 



130. OROBANCHACEAE. Broomrape Family. 



Perennial parasitic or saprophytic herbs, less than 40 cm. high; leaves reduced to 

 scales, without chlorophyll; flowers perfect, rarely dioecious, sometimes cleistoga- 

 mous; calyx of 4 or 5 more or less united sepals, persistent; corolla irregular, bilabiate, 

 persistent; stamens 4, didynamous, mostly included; anthers 2-celled, rarely 1-celled; 

 ovary 1 or 2-celled; style 1; stigma capitate or 2-lobed; fruit a 1 or 2-cened capsule; 

 seeds many, minute. 



KEY TO THE GENERA. 



Calyx irregular, split on the lower side, the upper part with 



3 or 4 toothUke lobes 1. Conopholis (p. 599). 



Calyx regular or nearly so, with 2 to 5 equal or unequal 

 lobes. 

 Calyx with a deep sinus above and below, the lateral 



lobes often 2-cleft 2. Myzorrhiza (p. 599). 



Calyx nearly equally 5-lobed 3. Thalesia (p. 600). 



1. CONOPHOLIS Wallr. 



Low herb, about 20 cm. high, with very thick glabrous yellow stems, appressed or 

 erect scalelike leaves, and perfect flowers in a dense scaly-bracted terminal spike; 

 calyx accompanied by 2 bractlets, spatheKke, split on the lower side; corolla v/ith a 

 curved tube and strongly 2-lipped limb, the upper lip arching, notched, the lower 

 shorter and 3-lobed; ovary 1-celled, with 4 placentae. 



1. Conopholis mexicana A. Gray; S. Wats. Proc. Amer. Acad. 18: 131. 1883. 



Squaw root. 



Type locality: " Jn the Sierra Madre, south of Saltillo, and at Soledad, Coahuila, 

 growing at the foot of oaks," Mexico. 



Range: New Mexico and Arizona to Mexico. 



New Mexico: Gallinaa Planting Station; Sandia Mountains; Santa Fe Canyon; 

 Magdalena Mountains; Kingston; MogoUon Creek; San Luis Mountains; Organ Moun- 

 tains; Gilmores Ranch. 



2. MYZORRHIZA Phil. Broomrape. 



Herbs, 20 to 40 cm. high, more or less glandular-pubescent, purpUsh or brownish, 

 with scalelike leaves, the flowers in a terminal spike or panicle; calyx nearly equally 

 5-lobed; corolla purpUsh, the tube slightly curved, the limb 2-Upped, the lips often 

 nearly erect; ovary 1-celled. 



A decoction of these plants is used by the Navahos in the treatment of sores, 



