. Monograph of the North American Umbelliferae [microform]. Botany; Botanique. 'JIH roNTUlUl'TloNS KKoM THK NATIONAL IIKUIJAUII 61. HERACLEUM L. Sp. IM. 1: •_'»!•. I7:.:5. Calyx (cclli siiiiill »>r(»l»M)l('|f. Kiiiil lii«Mully<ilKtviit<', xcry imicli tint tciird (lorMilly. soiiK'wImt imiIm'scciiI. Ciii'iicl w illidorsiil iind intrniit'di tit I'ilis lilil'onii: (lie liioiid liitcnil \vin odicr riiiiM'I. stroiiii'lv iirrvcd toward the outer imiiein: >ti'eii<'tlieirni«!' cells contimioiis ulioiit seed ('iivity and iiiidei'tlie nerves. Slyl(»|)(idiitin tliick conical. ()il tulie
. Monograph of the North American Umbelliferae [microform]. Botany; Botanique. 'JIH roNTUlUl'TloNS KKoM THK NATIONAL IIKUIJAUII 61. HERACLEUM L. Sp. IM. 1: •_'»!•. I7:.:5. Calyx (cclli siiiiill »>r(»l»M)l('|f. Kiiiil lii«Mully<ilKtviit<', xcry imicli tint tciird (lorMilly. soiiK'wImt imiIm'scciiI. Ciii'iicl w illidorsiil iind intrniit'di tit I'ilis lilil'onii: (lie liioiid liitcnil \vin odicr riiiiM'I. stroiiii'lv iirrvcd toward the outer imiiein: >ti'eii<'tlieirni«!' cells contimioiis ulioiit seed ('iivity and iiiidei'tlie nerves. Slyl(»|)(idiitin tliick conical. ()il tulies s(dilary in the in- tei'xals. conspicuous. al»out liair as lone- as the cai'))el. L' to I on the coiinnissural side. Seed \ ei-y nnich llat- teru'd dorsally. 'lall stout perennials, with laree ternately coni- ])<mn(l l(»a\'es, deciduous \^\y,Mij/ci involucres, invohiccis of iMMaiiim:-f,/,. I, nuuierous hractlets. lare-e many-rayed unihelof while llowcrs, aiul ol»cordalc petals (the outer ones often <lilated and -J-cleft). I*'irst species cited, l/t nifl, iiiii sp/iniicies. Iielonyino' to the northern hemisphere, represented in North America \)\ a sinul(> species. 1. Heracleum lanatum Michx. V\. Hoi-. Am. 1: KWl. isii;;, Fui. ill. Very stout. I'J to -lA dm. hi^h. puhesccnt or woolly ahove; ju'tiolcs much dilated: leallets petiolulate. n ind-cordate, 1(» to !'.'» cm. hroad. irregularly cut-toothed; rays ,') to I,') cm. lonj^-; fruit s to I'J nmi. Ion;;-, somewhat i)ul)esc(>Mt. 'lype locality. '" ( ; ^^'et jii'ound. from Canada to North Carolina and Tennessee, and extendiuiL;- westward to New Mexico. California, and .Vlaska. S/t>fiiiii i)s : \\'{' cite lint few nf tlic iimntTdiis sheets examined nt' tlii.« alum daiit ami u 'prcad sitecics. N': I'cacliam, Alii-r Slirnix. .\iij,'iist ."), isilii. MAssAcnt'sKTTs: Ipswicli, Onkix. ('(: I''airlield, , .Iiiiie 14, l
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