328 ACANTHACEiE. Carloioricjhlia. 



lobes of tlie purple and almost rotate corolla oblong, 2^ lines long, twice the length of the 

 tube : filaments hirsute-puberulent : anthers sagittate, the cells at base very obtuse or 



_ retuse : stipe as long as the body of the capsule. — Shaueria linearifoVui, Torr. Bot. Mex. 

 Bound. 12o : referred by Benth. & Hook. Gen. ii. 1114, to Diantliera, but it cannot properly 

 be included in that genus. — Western Te.xas ; on hills between the Limpio Pass and the llio 

 Grande, Wrii/ht. Burro Mountains and Great Carion of the Kio Grande, BigeJow, Parn/. 



C. Arizonica, Gray, 1. c. Apparently low, diffuse : leaves oblong or lanceolate, 2 or 3 

 lines long : tiowers sparsely spicate on filiform branelilets : bracts subulate, shorter than 

 the calyx: bractlets minute or none : calyx deeply 5-cleft ; the lobes subulate : lobes of the 

 bright purple corolla 4 lines long, thrice tlie length of the narrow tube, narrowly oblong, 

 or the posterior broader above and witii a yellow spot on the face, contracted below : fila- 

 ments glabrous : antliers oblong : stipe shorter than tlie body of the capsule. — Arizona, on 

 rocks near Camp Grant, Palmer, 1867. 



8. ANISACANTHUS, Nees. (J^i'iao^-, unequal, and axavdog, the Acan- 

 thus.) — Suffruticose or shrubby plants (of Mexico and its borders) ; with mostly 

 lanceolate and entire petioled leaves, and usually loosely spicate or scattered red 

 (an inch or more lon<^) flowers : branches apt to be pubescent in alternate lines. — 

 Benth. & Hook. Gen. ii. 1117. 



A. pumilus, Nees. Low shrub, nearly glabrous : leaves lanceolate or linear-lanceolate 

 (about IM lines long) ; the larger short-petiolcd : calyx pubescent or tomcntulose, 5-parted; 

 the subulate or linear lobes about equalling the stipe of the capsule, wliich is not longer 

 than the body : corolla red or reddisli. — DC. Prodr. xi. 445. Drejeni puberula, Torr. Bot. 

 Mex. Bound. 123. — S. Arizona, Wriijhf, Wheeler. Probably not distinct from A. vlrijtilaris, 

 Nees, the Justicia coccinea, Cav. and J. virgularis, Salisb. (Mex.) 



A . Thurberi. Shrubby, 2 to 4 feet high : young parts minutely hirsute : leaves oblong or 

 lanceolate (an inch or less long), thickish, subsessile : flowers more pedicellate, in short 

 leafy clusters at tlie axils : calyx-lobes long-attenuate, equalling the pointed capsule, twice 

 the length of its stipe: corolla retl, more f nnnelform ; its lobes little shorter than tlie tube. 

 — Drejern Tliiirheri., Torr. Bot. Mex. Bound. 124. — S. New Mexico and Arizona, Thurber, 

 Capt. Smith, Palmer. 



A. W^rightii. Suffruticose, 2 to 4 feet high, puberulcnt or the foliage glabrous, panicu- 

 latcly branched: leaves oblong- or ovate-lanceolate, acute or acuminate (an inch or two 

 long) : spikes loosely paniculate, naked : lobes of the deeply 5-cleft calyx oblong-lanceo- 

 late, obtuse, very much (commonly thrice) shorter than tlie stipe of the pointed capsule 

 (stipe 3 to 5 and capsule 3 or 4 lines long) : corolla purplish-red, inch and a half long, with 

 lobes considerably shorter than tube. — Drejera Writ/hlli, Torr. I.e. — S. and W. Texas, 

 between the Guadaloupe and the Rio Grande, Wrl<//it, &c.. 

 A. Greggii, Drejera Gre(j(;ii, Torr. 1. c, of northern part of Mexico, has leaves as the 



last species, but more pubescent and veiny, longer and slender corolla, with linear lobes 



longer than the tube, tomentose calyx 5-cleft only to the middle, and the single capsule 



seen is obovate and obtuse or retuse, on a stipe of thrice its length and double the length 



of the calyx. 



• 



9. SIPH0N0GL6SSA, Oersted. {lUfwv, tube, and ylciaoa, tongue.) — 

 Herbaceous or barely suffrutescent, chiefly Mexican. 



S. Pilosella, Torr. Low, branching from a suffrutescent base, hirsute with scattered 

 spreading hairs: leaves ovate or oval, subsessile (5 to 15 lines long): flowers mostly soli- 

 tary in the axils : sepals 5, subulate : corolla pale blue or purple, with tube 8 or and limb 

 3 or 4 lines long : lower anther-cell conspicuously mucronate-calcarate at base ; upper less 

 so at apex : seeds cordate-orbicular, rugulose. — Bot. Mex. Bound. 134. Adhatoda diptera- 

 cnntha, Nees in DC. 1. c. 396. Moncchma Pilosella, Nees, 1. c. 412. — Dry ground, Texas and 

 S. New Mexico. (Adjacent Mex.) 



S. longiflora. Glabrous, or the slender stems cinereous-puberulent, barely a foot high : 

 leaves lanceolate, glabrous, short-petioled, an inch or two long: flowers clustered in upper 



