NELUMBIUM-NUTTALLIA- 119 



NELUMBIUM. 12—13. (.Ranunculacem.) 

 lute'um, (water chinquepin, sacred bean, w y. Ju. %.) corolla many-petalled 

 anthers produced in a linear appendage of the extremity ; leaves peltate 

 orbicular, very entire. Lakes. Flowers larger than those of any other 

 plant in North America, except one species of mae:nolia. 



NEMOMPHILA. 5—1. (BoraginecB.) [Fi-om nemos, a grove, and pAiVeo, to love : so called froa 

 its habit.] 



pa?iicula'ta, (b. M. (^.) very hairy ; radical leaves sub-pinnatifid ; caulina 

 ones angularly lobed ; divisions of the calyx with minute, oval appen- 

 dages; flowers on short peduncles, somewhat paniculate. Moist woods. 



phacelo'ides, (b. M. J^.) succulent; stem 3-sided; leaves alternate, pinnatifid ; 

 peduncles very long, 1-flowered, opposite the leaves, and terminal. 



NEOTTIA. 18—1. (Orchidem.) [The name is from tlie Greek, and signifies bird's nest.] 

 torti'lis, (summer ladies'-tresses, w. Ju. %.) radical leaves hnear; scape 

 sheathed ; flowers spirally secund ; lip somewhat 3-lobed ; middle lobe 

 larger, crenulate. 12 i. 

 graci'lis, (ladies'-tresses, w. Ju.) radical leaves ovate; scape sheathing; flow- 

 ers in a spiral row; lip obovate, curled; scape 8-12 inches, with a few 

 sheathing leafets or scales; leaves on short petioles, sometimes falling ofl 

 before the plant blossoms ; flowers in a twisted spike. Var. secunda, spike 

 scarcely twisted, flowers more slender. Dry woods. 

 cer"nua, (nodding ladies'-tresses, w. Au. %..) leaves lanceolate, nerved; flow- 

 ers in a dense spike, nodding; lip oblong, entire, acute. 



NEPETA. 13 — 1. (Labiata.) [Name is said to have been derived from Nepet, a town in 

 Tuscany.] 



cata'ria, (catmint, catnep, b-w. %..) hoary-pubescent; flowers in whorled 

 spikes ; leaves petioled, cordate, tooth-serrate. 



NICOTIANA. 5—1. {Solanex.') [From Nicot, who first introduced it into Europe.] 



iaba'cuvi, (Virginian tobacco, w-r. Ju. ©•) leaves lance-ovate, sessile, decur- 



rent ; flowers acute. Naturalized at the north. 

 rus"tica, (common tobacco, g-y. Au. ©.) viscid-pubescent; stem terete; leaves 

 petioled, ovate, very entire ; tube of the corolla cylindrical, longer than 

 the calyx ; segments round, 12-18 i. Flowers in a terminal panicle or ra- 

 ceme. Introduced. 



NIGELLA, 12-4. (RanunculacetB.) [From „,^er, Dlack, on account of its black seed.] 

 damasce'na, (fennel-flower, lady-in-the-green, b. M. ©.) flowers surrounded 



with a leafy involucrum, composed of linear bracts. 

 sati'va, (nutmeg-flower,) pistils 5 ; capsules muricate ; roundish leaves sub- 

 pilose, pinnatifid. 

 NOLINA. 6—3. (Junci.) 

 georgioJna, (W. M. %.) leaves long-linear, coriaceous, dry; scape with small 

 subulate scales near the base ; panicle racemose, spreading. 2-3 f. 



NOSTOC. 21-4. (AlffcB.) 



commu'ne, on the earth ; frond ventrjcose, gelatinous. On the earth after a 

 storm ; an inch or two in extent ; olive green. 

 NUPHAR. 12—1. {Papaveracem.) [From the Greek, signifying water-lily.] 



kalmia'na, (water-lily, Kalm's water-lily, Ju. '2|-.) leaves cordate, lobes neai 

 each other; calyx 5-leaved ; stigma gashed, with 8-12 radiated lines; 

 leaves and flowers small. 



lute'a, (yellow water-lily, y. Ju. %) calyx with 5 obtuse sepals ; stigma en- 

 tire, 16-20 rayed; leaves cordate-oval; petals much smaller than the 

 sepals, truncate. Water. 



adve'na, calyx with 6 sepals ; petals numerous, small ; petioles semi-cylin- 

 drical. 



rOJTTALLIA. 15—13. {Malvacem.) [In honour of Thomas Nuttall.] 

 digita'ta, (r. M. %.) glaucous ; lower leaves obsoletely digitate, sub-peltate ; 

 divisions linear ; segments glabrous ; upper leaves 3-parted and simple 

 peduncles somewhat racemed, very long 3-4 f. 

 31* 



