PENTANDRIA MONOGINIA. 253 



goslssimis, subtus pubes- I wrinkled, pubescent un- 



5 



centibus;pedunculisi— 5 derneath:peduncl 

 floris. E. I flowered^ 



Ipomoea macrorliiza, Midi. :. .„, 

 C. Jalapa ? Sp. pi. l. p. 860. 

 Ipomoea Jalapa, Pursh, 1. p. 146. 



fiooi perennial, somewhat fusiform, very lar^e, weighin^r when old 

 2a'A ^0P°""''«» ^vhite, farin'accous, insipid. ^ ^f^mtu^nin^ 

 LT , Ji". ^"^ ^^"'^^'' ^^'S^'^^y angled, pubescent. The young; leav^ 



Sw I r ?^'® '*'' ^'''^ ""*^^'* "'^^■^*^^*^' t^''^ «ltl leaves frequently 

 •Muse, and sli^htlj muricate ; petioles 1-2 inches long. Peduncles 



»l>out 3 inchest 



ZL h ' r"^' \-^ flowered. 6^a/y.r pubescent. Corolla large ; 

 S ^'•/'■'^•^ /^ ^'*^'^' externally pubescent, white, tinged witlv 

 K'r.i !'f "'* unequal, as long as the tube of the corolla, villous 

 2 ^2- ^* ^^f • %^« as long as the stamens, 2 cleft at the sum- 



.r 



Stisnnas 



Capsule 9—3 valved, 2— S celled. ;Seei« 



dark hr«f — 1 ^ t : , V^^/'*'"'^ ^—-^ vaivea, a—;:, celled. A.eerf« 



&r '^V^^ ^^"''y ^°''« of ^'^e Islands of Georgia and Carolina, 

 'lowers June—Octobpr. ° 



as the C. 

 two plants 



!, 



Jalam „/t • " generally considered by modern botanists 

 aDoiar^n "^""^ ' ^"* ^'"''^ the external ch.iracters of theiwopianw 

 nomp,n "^^^L?^P^*^** *« ^g^'^^' *''e m<^dical qualities of this bj 

 conclude •?^^"'^,^^ *^«se of the officinal Jalap. We must thereforV 

 »«us n tV 1- "™oJern botanists have mistaken "the plant of Lin- 

 Pertipe . f "mate has totally changed or destroyed its active pro- 



KalS'V''^** ^'^ ^q"^%p'«t>ahle "-^^ -' - ' • ■■ 

 ireil r '^P ^^' ^^en concealed by t! 



To n "' B curiosity of Europeans. 

 •"^ t»ii8 pfant ^'^^^^ ' ^"^ iiitlebted for the following observations 



f'^zafMlo^u"'^*.'"" '■expecting the medical qualities of the I. macro- 

 ^e pulveriy 1 i" <^erived from actual experiment. Six drams of 



*"y cathair ^w^^ ^^^" S*^'^° ""^^'' "^7 notice, without producing 

 ^ chemirai ^ 1 '^** ' ^^^^ *1^" subjected the dried root to the test 

 "f^yve ZZ ^'^^y f^*' ^"^ ^"^""^^ i* t« contain no resin (in which the 



'ottonrp! *^ ^ '''^''*"^' -^^^^P ''^''^es). or sc 



••^al of sar 1 '• '^^^'^S used as an article of diet, 

 •'•tter T7".arme, along witli a considerable quj 



mall a quantity as 

 — It contains a great 

 quantity of farinaceous 



^^r* It ; — ''*'""s v^iui it cuiibiuerauie quantity ot larmaceouB 

 ^"^insmor^ P''?"*% uot nioie cathartic than the C Satatas, nor 



m re resm. Negroes I have been informed sometimes eat 



