WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 597 
7. Pedicularis fluviatilis Heller, Minn. Bot. Stud. 2: 33, 1898. 
Typr Locauity: Meadow 9 miles east of Santa Fe, New Mexico. Type collected 
by Heller (no. 3639). 
Ranaes: 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. 
Cauline leaves reduced to imbricated scales.........- . 1. Tuprriora (p. 597). 
Cauline leaves not reduced to scales. 
Shrubs. 
Corolla purplish red; tall shrub 50 cm. high or 
more; corolla deeply bilabiate . ...- 2. ANISACANTHUS (p. 597). 
Corolla white; low shrub, 30 cm. high or ‘less; 
corolla nearly regular wee e cece eee eee eee 6. Rue iia (p. 598). 
Low herbs. 
Corolla convolute in bud; flowers covered by 
large bracts........------------------- 3. Diapeprum (p. 598). 
Corolla imbricated in bud; flowers not covered 
by bracts. 
Stamens 4; plants hirsute........-..----- 4. CARLOWRIGHTIA (p. 598). 
Stamens 2; plants glabrous...-.-..------- 5. STENANDRIUM (p. 598). 
1. TUBIFLORA J. I. Gmel. 
Perennial caulescent herb with numerous large basal leaves, those of the stems 
reduced to imbricated scales; flowers in dense spikes; corolla white or blue, with a 
slender tube; stamens 2. 
1. Tubiflora squamosa (Jacq.) Kuntze, Rev. Gen. Pl. 2: 500. 1891. 
Verbena squamosa Jacq. Pl. Hort. Schénbr, 1:3. pl. 5. 1797, 
Elytraria tridentata Vahl, Enum. Pl. 1: 107, 1804, 
TypE Locatity: Not known. 
Rance: Western Texas to southern Arizona, southward through tropical America; 
also in Africa. 
New Mexico: San Luis Mountains ( Mearns 539). Dry, rocky hills. 
2. ANISACANTHUS Nees. 
Shrub with opposite entire leaves; flowers solitary, axillary; corolla purplish red, 
with a slender elongated tube; upper lip entire or 2-cleft, the lower 3-lobed; stamens 
included; capsules contracted into a stipelike base; seeds 4 or fewer. 
1. Anisacanthus thurberi (Torr.) A. Gray, Syn. Fl. 21: 328. 1878. 
Drejera thurberi Torr. U. 8. & Mex. Bound. Bot. 124. 1859. 
Typp Locauity: ‘‘Along water-courses, Las Animas, Sonora.’’ Type collected by 
Thurber. 
