ttEXANDUll. TRIGYNIA. 233 



The principal part of this genus is indigenous to the 

 Dape of Good Hope, thei«; is 1 species also in Siberia and 1 

 in India. M. pnmllum of Tierra del Fiiego, JM. grammeu7ii 

 and M. punctahim of Burbaryj cannot certainly belong to 

 tills genus- 



544. ZIGADENUS. Michaux. 



Corolla 6-p;irte(!, spreading; scj^ments sub- 

 equal, .above tlic base narrower and biglandu- 

 lous. Stamina insevtiH] in contact with the germ. 

 Styles 3, ])artly unitf d at the, base. Capsule in- 

 cluded in the persistent corolla, sub-ovate, acute, 

 <^-ce{led, cells many seeded. Seeds linear-ob- 

 long, apterous. 



Nearly allied to JMeJnnthlnm with wliich it also partly 

 agrees in habit, but tlie flowers are all hermaphroditei and 

 tjie panicle alternately branched. 



Species. 1. Z. glaberrimus. 2. elegans. Pursh, Flor, 

 Ajti 1 p. 241. Tiie oaly species of the genus. 



345. YERATRUM. L. (Green and White Hel^ 

 lebore.) 



Polygamous. — Corolla 6-parted, spreading, 

 segmersts sessile and without glands. Stamina^ 

 inserted upon tlje rectiplaclc. Capsules 3 united, 

 many seeded. 



Root fibrous or brandling: leaves ovate or elliptic, plait- 

 ed, and niarierously ner\ed, rarely (as in V. angustijolium') 

 gramineou.s; flowers pyramidally paniculate, greenish. 



SpEcms. 1. V.'viruk. in the vicinity of Philadelphia, 

 on the banks of the Schuylkill, but not cornmon; growing 

 nearly 6 feet high. Peduncles and branches of the pani- 

 cle pubescent, upper part of the brancldets filiform vvitli 

 masculine flowers, the lower part fructiferous. 2. /»ar- 

 'vijloriim. 3. angustifoUum} Pursh, 1. p. 242. Itacemecom' 

 pound, lateral branchlels tiliform masculine, upper part sim- 

 ple, hermaphiodite; petals sessile, lineardanceolate, j^cu- 

 ramate; leaves flattish gramineous, rather obtuse, v. v. Not 

 uncommon in the grassy prairies of Ohio, Tennessee and 

 Louisiana. 2 to 3 feet high, root bulbous? leaves linear, 

 semiamplexicaule, rather arid, striated, 6 to 10 -jiches 

 long; raceme long, with a few short filiform male brunch- 

 lets on the lower part; male flowers nearly sessile, her- 

 njaphrodite pedicellate, bractes subulate, nearly the lengtt 

 X 2 



