342 Monography of the North American Cuscutinece . 
This Texian species is nearly related to C. pentagona: the'size! 
of the flowers, shape of corolla and the scales, are the same ; but 
it is easily distinguished by the loose and few-flowered cyme, 
and by the tuberculate or hispid-campanulate (not pentagonoui 
smooth, and membranaceous) calyx. 
7. CUSCUTA POLYGONORUM, U. Sp. 
' C trmsis of Bey; 
Stem low, branching; flowers subsessile, glomerate, mostly 3§|§F ia P s my C. vul 
4-parted; tube of the corolla campanulate, nearly equal to the 
acute campanulate or spreading lobes, and the acut/segments Mpan-toBi 
of Laurus Caro 
[LEpilmm, WeiJ 
7 , especially C 
the calyx; stamens as long as the limb; the scales mostly bifid, 
ciniate, appressed ; styles as long as the depressed ovary; remains] 
of the corolla persistent at the base of the depressed capsule. 
On different species of Polygonum, also on Lycopus, Penthoi 
rum, and other plants in the neighborhood. August and Sep¬ 
tember. 
This is a much lower plant than C. Saururi, etc., with orange! 
colored stems,, twining round the Polygona in overflowed place! 
the bottoms of sink-holes, or margins of ponds, west of St. Louis, , 
where in the year 1839 my friend F.Lindheimer , now in Texa^^P^ en ^^ 
to whose zeal and kindness I owe many specimens from that F c * usters of 
interesting country, first discovered it. In the following year, I “F*in, cons 
found it on the banks of Illinois river, near Peru, in thicke|| > “scarious scale: 
formed by immense Ambrosiae, with Bidens, Spartina.J etc ^^y ^tos) 
pyx consistir 
tubular, 5-cli 
Tery similar to 
Whether any Polygonum was there I cannot recollect, having . Stance 
appe 
at the time paid no particular attention to this point. The are so cro 
of the specimens from Peru are a little more peduncled, and thq : * . -;®gled, presenti 
very acute segments of the calyx rather longer than the tube of ^ are apparen 
the corolla ; but I observe no other difference. 
1 pnncipal c 
This and C. Saururi, are easily distinguished from the others^pn the calyx, 
by their orange-colored stems, their larger open campanulate flow-^Bsierous imbrica 
ers, with the remains of the corolla always at the base of the ^ much small 
capsule. The scales of the filaments in C. Polygonorum afe \ which are 
intermediate between C. Coryli and G. Cephalanthi in shape ^||p refl eX ed or 
but are more Taciniate than in the former. They are appresspd^wper calyx, Tl 
to the corolla ; so that the large depressed ovary appears naked . R ifely similar io 
in the open tube ; while in C. Saururi it is covered by the con^V'7; but the ui 
IBi'stylopodi 
vergent or indexed multifid scales. 
: NoTE>-Since the*manuscript of this a,rtide'has been communicated to thes.-. 
American Journal, my attention has been directed to one or two species of Cus^ 
cm 
2 3 4 5 6 7 8 9 10 
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