WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 597 



7. Pedicularis fiuviatilis Heller, Minn. Bot. Stud. 2: 33. 1898. 



Type locality: Meadow 9 miles east of Santa Fe, New Mexico. Type collected 

 by Heller (no. 3639). 



Range: Northern New Mexico and southern Colorado. 



New Mexico: Santa Fe and Las Vegas mountains; Sierra Grande. Mountains, in 

 the Transition Zone. 



This is closely related to the eastern P. canadensis L., but appears to be fairly 

 distinct. 



128. ACANTHACEAE. Acanthus Family. 



Annual or perennial herbs or shrubs, with alternate or opposite leaves; flowers 

 perfect, irregular, sometimes solitary, often subtended by large bracts; calyx of 5 

 variously united or distinct sepals; corolla of 5 partially united petals, 2-lipped; 

 stamens 2 and equal or 4 and didynamous; styles terminal, united; fruit a capsule, 

 usually with 2 cavities, opening with an elastic longitudinal dehiscence. 



key to the genera. 



( auline leaves reduced to imbricated scales 1. Ttjbifloka (p. 597). 



Cauline leaves not reduced to scales. 

 Shrubs. 



Corolla purplish red; tall shrub 50 cm. high or 



mqre; corolla deeply bilabiate 2. A msacaxthus (p. 597). 



Corolla white; low shrub, 30 cm. high or less; 



corolla nearly regular t>. Ruellia (p. 598). 



Low herbs. 



Corolla convolute in bud; flowers covered by 



large bracts 3. Diapedium (p. 598). 



Corolla imbricated in bud ; flowers not covered 

 by bracts. 



Stamens 4; plants hirsute 4. Caklowbightia (p. 598). 



Stamens 2; plants glabrous 5. Stenandrium (p. 598). 



1. TUBIFLORA J. F. Gmel. 



Perennial caulescent herb with numerous large basal leaves, those of the stems 

 reduced to imbricated scales; flower; in ch-n.-e :- [ » i 1 : * ■ ; eorolla \ I > . I . • <u I, hie. with a 

 slender tube; stamens 2. 



1. Tubiflora squamosa (Jacq.) Kuntze, Rev. Gen. PI. 2: 500. 189] 



Verbena squamosa Jacq. PI. Sort. Schdnbr. 1:3. pi. 5. 17ft7. 



Elytraria tridentata Vahl, Enum. PI. 1: 1<>7. 1804. 



Type locality: Not known. 



Range: Western Texas to southern Arizona, southward through tropical America; 

 also in Africa. 



i\i:w Mkxico: San Luis Mountain- | tfeams 639). Dry, rocky hills. 



2. ANIS ACANTHUS 



Shrub with opposite entire leavt , flowers solitary, axillary; corolla purpli h red, 

 with a Blender elongated tube; upper lip emir.- or 2-cleft, the lower 3 lobed; Btamene 

 included; capsules contracted into a stipelike base eeds4 or fewer 



1. Anisacanthus thurberi (Torr.) A. Cray, Syn. II. 2 1 : 82* 18 



D ■ era thurberi Torr. D\ S. A Hex. Bound. Bot. 124. L859. 



Type locality: "Along water-count . La talmas, Bonora." Type collected by 

 Thurber. 



