TT)!) I'l.ANT I-IKK <'K A I, A |;A M A. 



Nabalus altissimus ( I>. ) llnok. 11. I'.oi. Am. 1 : 1'MI. l.s:>|. Iaii. Wiiiii; Lkiti c k. 



J'niiiiiilliis iillisHimn L. Sp. I'l. 2 : 7117. 17r(;j. 



/'. (lelloitleii KM. SU. 2 : iTu. 1^21. 



Kll.Sk. l.r. (Jr.iy. .Man. .-d. (i, .{Ol'. Cli.iii. I'l. 251. (J my, Syii. Kl. N. A. 3. j)). 2 : liil. 



Ciiiiaiiiaii to ( 'aroiiiiian area. N'ewroiiiKll.iinl, ( Mitario, and New lOiijilaiid ; <>liii) 

 Nullcy to .Mi.ssiniii and Arkan.sas, and I'roni .New ^ Ork soiilli alonj; tlic inDiintainsio 

 (icoijjia. 



.\i.,\ii.\.M,\ : Mountain ici^ion. Lower iiill.s. l>icli woodlands. Clchunic Connly 

 {Ih-. /•-'. .1. Smilli). I'uKcaloo.sa County, Aufjust, September. 



Type locality: " Ilah. in Nirf^inia, Canada." 



Herb. (ieol. Sni v. llorb. Molir. 



SONCHUS L. Sp. PI. 2:7!»3. 175H. 



l'orty-li\ f spccii 8, temperate Kiirope. .\nnual weeds diUuscd in Nortli .\meriea, 1. 

 Soiichns asper ( I.. ) All. I'l. Pedem. 1:222. 17><5. J'ijickly Sow-tiii.sti.k. 



Soiicliiin olcracciis var. ((.syxr L. S]i. PI. 2 : 7tM. 17r)3. 



S. caroliiiidiiits Walt. Fl. Car. I!t2. 178X. 



^'. sphntlo.sus Higel. Fl. P.oHt. ed. 2, 290. 1824. 



i:il. Sk.2:2r)r,. (;ray, Man. ed. 6, 305. Cliap. Fl. 2.^3. Coulter, Contr. Nat. Herb. 

 2 : 2.j(). 



Canadian /.(uie to lionisianian area. <)v(a' the continents from Canada to I'lorida 

 and Hritish t'olumbia to California. 



Alabama: Over tlie State. C'ommou weed in cultivatetl and waste ground. 

 F'lowers March to .June. Annual. 



Tyjje locality : "Hab. in Knropae cultis." 



Herb. Geol. Surv. Herb. Mohr. 



Sonchus oleraceus L. Sp. PI. 2:794. 1753. Co.mmon Sow-thistlk. 



Kll. Sk.2:2.")l. Gray, Man. ed. 6, 305. Chap. Fl. 253. Coulter, Contr. Nat, Herb. 

 2:2.")(). 



Distribution as in the last, 



Ai.ai'.ama: With the above. February to July. Annual. 



Tyiie, locality: " Hab. in Kuropae cultis." 



Herb. (leol. Surv. Herb. Molir. 



Souchus tenerrimus L. Sp. PI. 2 : 7!M. 1753. 



SOUTHKKN KuiiOI'E. 



Adventive on ballast in South Carolina and southern Calitbrnia, 



Ai.aijama: Mobile County, fn.iiitive, on ballast. Hare. Annual. 



Type locality : "Hal), in M()ns|)elii, Floreutiao," 



Herb, Geol. Surv, H<nb. Mohr. 



AMBROSIACEAE. Ragweed Family. 

 IVA L, Sp. PI. 2 : 988, 1753. 



About 12 8i>ecies, North American. Atlantic, 5, 

 Iva clliata Willd. Sp. PI, 3 : 2386. 1804. Annual Mar(^ii 1':li»ek. 



Ira annua Michx. Fl. Hor. Am. 2 : 184. 1803, Not L, 



Gray, Man. ed, 0, 272. Gray, Syn, Fl. N. A. 1, pt. 2 : 246. Conlter, Contr. Nat. Herb. 

 2:2(IS. 



Alleiihenian to Louisianiau area. Illinois west to Nebraska, southern Arkansas, 

 northwestern Louisiana, Texas, and New Mexico. 



Alabama: Coast plain. .Mobile County, In cultivated fields, Adventive with 

 fXraiu seed from the West, FlowtTs in July. The form with elongated lloral bracts. 

 Annual. 



Tv])e localit V : " Hab. in America boreali." 



Herb. Mohr. 



Iva imbricata Walt, Fl, Car. 2.32. 1788, Seaside Marsh Elder. 



Ell, Sk, 2 : 475, Chap, Fl, 222. Gray, Syn. Fl. N. A. 1, pt. 2 : 246. 



Louisianian area. North Carolina to Florida and .Mississippi, 



Alabama: Littoral region. Damp sandy beach. Mobile County, West Fowl 

 Kiver. Flowers greenish yellow. lntref|ueiit. A shrubby evergreen with succulent 

 leaves. Perennial. Shrubby at the l)ase. 



Type locality : South Car<dina. 



Herb. Geol. Surv. Herb. Mohr, 



