I'KlMI.AIi ri-(Jl{A. 



191 



69. GENTIAN FAMILY. Onl.r CKNTIANACK.K. 



Sniootli 1i(m]»s with i\ roldiiilcss MtltT jiiicii ; tlu> It'avos, witli two (»xcopti«)ns opposito, 

 fossilc, ajnl ciitiif ; the K'j^iil.u lloWtTs liaviiij^ as many >laiiii'iis a-; tln'if art' IoIm-s |u tlm 

 corolla, ainl altt-iiiatr with thi'iii ; .»ti},'iiia.s of liiamhi's ol'tht- >tyh' 2 ; po<l i-crlh-tl, with 

 many ami usually vciy small st-eds on the \vall>, u~nally in two lim-s. Tonic, ^i-nt-rally 

 very hitter plants : none of them poisonous. I'lowi-js commonly laip' and hantl>omc. 



Leaves 8iin|il(', opixisite and sossili-. ('ciioljji with i\iv]i>\fnri>iiriihil>; i.r , f.uU with oiio 



I'll^t! ill jiiiii one out. ill tiie tutil. 



(\)rollii wlieel-slmiH'il, 3 tn 12-iiiirtcil, white i>r pink, in cvnies. .Stylo 2-pHrtc<l. 



('I'wo or tliicn li;iii(Noiiit' lluweiiil Kjiicics in Niilt iiiiuuiieH, iiml mif or two on 



livrr luniks, \c.. f^ptciiiily Smitii), {S)t'il„itiii) S.MliiATI.V. 



Corollii funnelfonii or licU-sliaiieil, cuiiiinonly Miie. .StyU- very short or none : 



stij,'liias _', lilnail, {(JrntiiiiKl) GKNTIAN. 



Leaves simple, alteinale or all from the root, roiiiul heai tshiiptil. tloitin^ on ilie water, 

 witli very long footstalks, which hear near their siimmit a cluster of siiiall 

 white (lowfrs, hIhhj; with some spui -sliapeil hodies. Corolla 3 parted, tlie 

 Inhts fcihh'd inwards in the lui 1, {fjiiiniiiiitliiiniiiii) Ki.0ATIN(j1Ik.\I!T. 



Leaves with 3olilong leaflets; footstalks loni,', alternate, their hase sluMtliiii',' tin- thickish 



lootstock (»r the lower part of a Kcapf, which hears a lacenn'if w hite flowers. , 



Corolla 5 parted, tlie lolics w hitehearded insitle, llu ir eilges tiirmd inwards in 



the hud. One species, in hoys, (Mcni/diithcs) litCKUKAN. 



Gentian. Centidun. 



* Stamens separate : no plaits or fiin^'i's httween the lohes of tlie cnrolla. 



1. FiVE-tT.oWKItKn Gknti.VX. Slender, hranchinj; ; leaves lance-ovate ; tiranclies about sflowercd ; 



coroll.i li^lit hliie, hardly i' lon;r, with 5 ]H.inted naked lohes. FI. late summer and autuinu ; 

 as do all tlie species. O. qiiiiK/iDtldrn. 



2. FhiN(JKD (i. Leaves hiiico-shaped 01 lance-ovate ; flowers single on a long naked stalk ; corolhk 



2' long, .<^ky blue, with 4 ohovate licautifnlly fringed lohes. liow grounds. O'. crinlUi. 



* * AiitluMs co'.icriiig with each othtr more or less : eorolla with 5 plaited folds. 



3. Cl.O.HKU a. Stout, leafy to the top, the Howeis in sessile clusters, terminal and in the axils of 



the upper lance-ohlnng leaves; corolla pale blue or iturplish, rather cluhsliajied, wiili th« 

 mouth contracted, and with 5-friiige-toothed plaiti, the lohes hardly any. O. Artilnimii. 



4. So.Vl'WOUT G. The li^'llt. blue corolla more ojxMi and bi-ll-sliaped. its hdies short ami broad, but 



longer than the intervening plaits ; otherwise niiicli .'is No. 3. .S. ami W. ('. Snjioiinna. 



5. Whitish G. Leaves lance-ovate with a heart-shaped clasping base ; corolla dull white or 



yellowish, with lobes longer tluwi the plaits. S. and W. O. alLa, 



t. 



y 



70. DOGBANE FAMILY. Order APOCYNACK^.. 



Plants with a milky ami acrid juice, a toui^h inner liark, jjjencrally ojipasite aiul entire 

 leaves, and regitlar tluwer.s : corolla 5-lo1)ed, the lobes convoli'te in tluv bud (one edj.,'!' in, 



13 



