276 BOTANY. 



Datura Stramonium, L. Wahsatch Mountains, at the mouth of Cot- 

 tonwood Canon. Introduced. (943.) 



NicoTiANA ATTENUATA, Torr., in Herb. Annual, glutinous-pubescent 

 or somewhat glabrate, erect, 1-3° high, branched ; leaves oblong-lanceolate, 

 the uppermost linear, acuminate, attenuate into a petiole, entire or obscurely 

 repand-dentate ; flowers in loose terminal racemes ; calyx 3" long, tubular- 

 campanulate, teeth short, triangular, acute, equal; corolla narrow-funnelform, 

 1' long, the short (2") limb spreading or more usually erect and closed, the 

 lobes short and obtuse ; capsule 3-5" long, exceeding the calyx, ovate, acute, 

 2-valved, valves bifid. — Lower leaves 4-6' long and 1-2' wide, proportionately 

 narrower above ; capsule becoming half-longer than the calyx; seeds pitted. 

 A quite distinct species, rather common in the valleys and dry lower canons 

 of Nevada. It is 38 and 289 Anderson, from near Carson City ; 354 Torrey 

 frbm Lake "Washoe ; 75 Xantus from Fort Tejon, Southern California ; also 

 found by Vasey on Bear Creek, 12 miles west of Denver, and by Palmer in 

 Southern Utah. N. ipomopsiflora is somewhat similar but has sessile clasping 

 and more oblong leaves, and the flowers are in long secund racemes. Plate 

 XXVII. Fig. 1. A branch and portion of the stem ; natural size. Fig. 2. 

 A lower leaf; full size. (944.) 



NicoTiANA BiGELOVii. {N. plumbaginifoUa, Var. (?) Bigelovii, Torr. 

 Pac. R. E. Surv., 4. 127.) Leaves sessile, attenuate at base ; calyx glandular- 

 pubescent, with unequal lance-linear lobes; corolla 2' long, tubular-funnel- 

 form, the elongated tube 2-3 times longer than the calyx, the lobes broad- 

 ovate, subacute ; capsule obtuse, usually 4-6" long, shorter than the calyx ; 

 ' otherwise much like the last.— Collected by Bigelow, Frdmont, (481, 1846,) 

 and Torrey, (355,) in California, and by Anderson, (268,) in Western Nevada. 

 Much resembling N. noctiflora, of Chili, but the leaves are more attenuate at 

 base and the corolla-lobes are not at all obcordate. Plate XXVII. Fio- 3. 

 Extremity of a branch. Fig. 4. A lower leaf; natural size. 



aENTIANACE^. 



Erythema Nuttallil Erect, loosely branched ; leaves linear-oblong, 

 6-12" long, acute, not rosulate at base ; panicle loose, dichotomous, few- 

 flowered; flowers on elongated slender peduncles ; calyx-lobes narrowly subu- 

 late, acute, a little shorter than the corolla-tube; corolla pink, contracting 

 over the capsule and usually becoming somewhat twisted; lobes elliptic- 



