242 SOLANACEiE. Nicotiana. 



above passing into linear-siibulate bracts : corolla greenish-white, less than 2 inches long, 

 somewhat contracted between the limb and the subclavately dilated throat ; the lobes 2 or 

 3 lines long, acute. — Diinal in DC. 1. c. 569. — Damp grounds around Mataraoras, Ber- 

 landier. Probably on the Texan side of the Rio Grande also. (Mex., W. Ind.) 

 N. repanda, W^illd. Minutely pubescent or above glabrate, 2 or 3 feet high, with loose 

 slender branches, extending into open racemose or somewhat paniculate naked inflores- 

 cence: leaves thin (3 to G inches long and 1 to 4 wide), ovate, or the lower obovate and 

 sometimes panduriform, commonly repand ; the lowest contracted into a winged petiole ; 

 upper deeply cordate-clasping : bracts minute or often wanting : calyx-lobes slender, fully 

 as long as tlie short-campanulate acutely 10-ribbed tube : corolla with tube frequently 2 

 inches long, somewhat clavato or f unnelform at the open throat ; the spreading limb 

 white, or sometimes tinged with rose, 7 to 12 lines in diameter ; its lobes short and obtuse 

 or acutisli. — Lelim. Nicot. 40, t. 3 (depauperate) ; Dunal in DC. 1. c, but not Hook. Bot. 

 Mag. and perhaps not N. lijnita, HBK. N. pundurata, Dunal, I.e. N. Roemeriana, Scheele 

 in Linn. xxi. 707. — Low grounds, Texas. (Mex.) 



H— H— Leaves entire, or the margins sometimes obscurely undulate : filaments slender, 



+-I- Equally inserted low down on the tube of the salverform corolla, which is not enlarged at the 

 throat, and is very much longer than the small obtusely 5-lobed limb. 



== Leaves, even the lower, with more or less clasping base : flowers open throughout the day. 



N. trigonoph^Ua, Dunal. Viscid-pubescent : stem 1 to 3 feet high, simple or vir- 

 gately branched : leaves all sessile or only the lower tapering into a winged petiole, and 

 obovate-oblong ; the upper oblong-lanceolate with a broader cordate half-elasping base, or 

 some spatulate-lanceolate with a dilated auriculate-clasping base (1 to 4 incites long) : in- 

 florescence at length loosely paniculate-racemose, with the later bracts very small or want- 

 ing, and somewhat unilateral pedicels about the length of the caly.x : calyx-lobes subulate- 

 lanceolate bvit rather obtuse, equalling the campanulate tube, attaining the middle of the 

 corolla-tube, about equalling the 4-valved capsule, somewhat callous-margined : corolla 

 greenish-white or yellowisli, about three-fourths inch long, somewhat pubescent, a little 

 constricted at the orifice ; the tube slightly enlarging upward ; the sinuately-lobed limb 

 about 4 lines in diameter. — DC. Prodr. xi. 562; Gray, Bot. Calif, i. 545. N. multlfora, 

 Torr. in Pacif . R. Rep. v. 362, excl. '" Nutt. PI. Gamb." N. ipomopsi flora. Gray, Proc. Am. 

 Acad. v. 166, and perhaps of Dunal; 1. c, but the figure in Mocino & Sesse, Ic. Fl. Mex. 

 ined. t. 909, represents a more funnelform corolla. N. tjlandidosa, Buckley in Proc. Acad. 

 Pliilad. 1862, 166. — Texas to S. E. California. (Mex.)' 



N. Palmeri. Viscid-tomentose throughout, except the corolla : stem apparently 3 feet 

 high, loosely branched above : leaves as of the preceding, but acuminate and mostly with 

 undulate margins, the larger 5 or 6 inches long : flowers sparsely racemose, short-pedicelled : 

 calyx-lobes lanceolate-subulate, somewhat unequal, longer than the tube, half the length 

 of the corolla, conspicuously surpassing the capsule : corolla white tinged with green, an 

 inch long, neither constricted nor dilated at the orifice, externally somewhat ptibescent ; 

 the conspicuously 5-lobed limb G or 7 lines in diameter. — Northern Arizona, on Williams 

 Pork, Palmer (no. 433, coll. 1876). 



= = Leaves not clasping : flowers vespertine, and closing before noon or under sunshine. 



N. Cleveland!. Viscid-pubescent, or the stem (a foot or two high) villous: leaves ovate 

 or the upper ovate-lanceolate (2 or 3 inches long) ; the lower obtuse and with margined 

 petiole not dilated at base ; the upper subsessile and gradually narrowing from a broad and 

 rounded or truncate subsessile base into an acuminate apex : bracts lanceolate : flowers 

 paniculate-racemose ; calyx-lobes linear, tmequal ; the longer fully twice the lengtli of the 

 tube, more titan half the length of the corolla : the latter greenish-white tinged with violet, 

 almost glabrous, an inch long, quite salverforni ; the somewhat 5-Iobcd limb half inch in 

 diameter. — California, in dry bed of streams, Chollas Valley near San Diego, Cleveland, 

 Palmer (no. 267, coll. 1875). Near Santa Barbara, Rothrock, a smaller-flowered form. 



N'. attenuata, Torr. More or less viscid-pubescent, a foot or two high : leaves all on 

 naked and mostly slender petioles and acute or merely obtuse at base ; the lower ovate or 

 oblong (li to 4 inches long) ; the upper from oblong-lanceolate and attenuate-acuminate to 

 linear-lanceolate or linear: inflorescence loosely paniculate and naked above: pedicels 

 short: calyx-teeth triangular-lanceolate or subulate, with thin edges, almost equal, much 



