238 NORTH AMERICAN FLORA [VoLumE 21 
or truncate at the base, attenuate to broadly rounded at the apex, often apiculate, thin, 
bright-green, sparsely puberulent when young but soon glabrate, minutely ciliolate; inflores- 
cence of large terminal many-flowered cymes, these bearing few small, orbicular or ovate 
bracts; peduncles 1-5 mm. long, densely short-villous and viscid; involucre broadly turbinate- 
campanulate, 6-11 mm. long, densely viscid-villous, the lobes shorter than the tube, broadly 
triangular, acute, slightly accrescent in age; perianth 4-5 cm. long, white tinged with pink, 
sparsely glandular-villous outside with short hairs, gradually dilated upward, the limh 1.5-2.5 
cm. broad; stamens 5, about twice as long as the perianth; fruit broadly obovoid. or oval, 
6-8 mm. long, obscurely angled, smooth, dark-brown. 
TYPE LOcALIty: Summits of the spurs of the Sierra de San Francisquito, Lower California. 
DISTRIBUTION: Mountains of the Cape Region of Lower California. 
3. Mirabilis Pringlei Weatherby, Proc. Am. Acad. 45: 424. 1910. 
Plants erect, about 1 meter high, much branched, the branches slender, finely viscid- 
puberulent; petioles slender, 3-15 mm. long; leaf-blades suborbicular to rounded-deltoid or 
deltoid-ovate, 3.5-10 cm. long, 2-9 cm. wide, unequally subcordate at the base, acute to 
attenuate at the apex, thin, bright-green, glabrous, ciliolate; inflorescence of terminal many- 
flowered cymes, bracteate, the bracts minute; peduncles 1-6 mm. long, densely short-villous;: 
involucre campanulate, 5-8 mm. long, glandular-puberulent, the lobes as long as the tube, 
oval-ovate, acute or obtuse; perianth tubular, 2.5-3 cm. long, sparsely glandular-puberulent, 
white tinged with pink, 4-5 mm. in diameter, slightly dilated below, the shallowly 5-lobed limb 
scarcely broader than the tube; stamens 5, the filaments nearly twice as long as the perianth, 
much coiled and twisted; fruit broadly obovoid, 6-7 mm. long, 4-5 mm. in diameter, con- 
stricted at both ends, sharply 5-angled, slightly tuberculate, dark-brown, glabrous. 
TYPE LOCALITY: Under limestone cliffs, Iguala Canyon, Guerrero, at an altitude of 915 meters. 
DISTRIBUTION: Known only from the type locality. 
4. Mirabilis Urbani Heimerl, Oesterr. Bot. Zeits. 56: 250. 1906. 
Plants erect, much branched, the branches slender, puberulent above, glabrate below; 
petioles 1.5 cm. long of shorter, the uppermost blades subsessile; leaf-blades ovate-deltoid, 
4.5 cm. Jong and 3 em. wide or smaller, subtruncate and short-decurrent at the base, acute or 
attenuate at the apex, thin, green, puberulent, ciliolate; involucres solitary in the axils and 
aggregate in small cymes at the ends of the branches, campanulate, 7 mm. long, glabrate, 
the lobes about as long as the tube, lance-oblong, subobtuse, ciliate, the peduncles 3-4 mm. 
long, short-villous; perianth purplish-red, 2-2.2 cm. long, short-villous below, gradually dilated 
from the base to the 5-lobed limb, this 12-14 mm. broad; stamens 5, exserted; fruit 6-7 mm. 
long, oblong-ellipsoid, 5-angled, puberulent. 
TyPE Locality: San Salvador, Michoac4n or Guerrero. 
DISTRIBUTION: Michoacan and Guerrero. 
5. Mirabilis Jalapa L. Sp. Pl.177. 1753. 
Mirabilis odorata I,. Cent. Pl. 1: 7. 1755. 
Mirabilis dichotoma I,. Sp. Pl. ed. 2.252. 1762. 
Jalapa dichotoma Crantz, Inst. 2: 266. 1766. 
Jalapa congesta Moench, Meth. 508. 1794, 
Nyctago versicolor Salisb. Prodr. 57. 1796. 
Jalapa undulata Moench, Meth. Suppl. 196. 1802. 
Nyctago Jalapae DC. FI. "Fr. 3: 426. 1805. 
Nyctago mirabilis Jaume St.-Hil. Expos. Fam. 1: 212. 1805. 
Mirabilis pedunculata Stokes, Bot. Mat. Med. 1: 311. 1812. 
Mirabilis divaricata Lowe, Trans. Cambridge Phil. Soc. 17. 1831. 
Mirabilis procera Bertol. Novi Comm. Bonon. 3: 15. 1839, 
Mirabilis planiflora Trautv. Bull. Acad. Sci. St.-Pétersb. 6: 216. 1840. 
Trimista levigata Raf. Aut. Bot. 12. 1840. 
Mirabilis ambigua Trautv. Linnaea 15: Lit. Ber. 97. 1841. 
Mirabilis Jalapa procera Choisy, in DC. Prod. 13%: 428. 1849. 
Mirabilis Jalapa ambigua Choisy, in DC. Prodr. 132: 428. 1849, 
Mirabilis Jalapa planifiora Choisy, in DC. Prodr. 13?: 428. 1849. 
Mirabilis Jalapa odorata Heimerl, Bot. Jahrb. 21: 616. 1896. 
Mirabilis Jalapa volcanica Standley, Contr. U. S. Nat. Herb. 12: 367. 1909, 
Mirabilis Jalapa gracilis Standley, Contr. U. S. Nat. Herb. 12: 367. 1909, 
