ot G 
[610] TRANS. OF THE ACAD. OF SCIENCE. 60 
markably thick in Eenpvenen to the stems; stigmata oval, al- 
most twice as long as they are t a a ire that I have not 
seen in any other s ecies. The on en examined is 
barely in flower; the ovary is BCR ly Zwesih as in the last 
species, 
** Flowers closely sessile, crowded in compact and often continuous 
clusters. 
C. ls ae n. 8p. cau ulibus filiformibus auran 03 
sessili 1 ong ovatis “cuspida atis membranaceis adpressis oa. 
‘sim in sepala exteriora similia et interiora longiora obtusiora 
ovario 0 
capsula ovata apiculata 1-2-sperma corollz rudimentis calyp- 
trata; seminibus subglobosis Stiiasted ieee hilo oblon 
breviato. 
Fields and wastes on the Rio Grande, on Artemisia Lu- 
doviciana, se anthus ciliatus other weeds, from 
Se Wreh t! as 5 (aol ray) ny 1628 (coll. 1852), rhe 
Thatber! a del Norte, P 
ters pay lines in diameter, pre htine of $12 fi nasil 0 
sometimes salt nly 2-3-flowered; occasionally continu- 
ous, in the manner the next species; flowers 2} lines long 
similar in shape to those of the two last species, but close 
es - alate lan, almost a mere dot. 
65. C. oor seg Choisy! Cuse. 184, t. 4, f. 1; DC. 
Prod, IX. 458; Lepidanche Compositarany “Engelm. 1 Sill. 
_ 3,C hg ara 
. Ann 
ty 
° 
A i 
= 
¥ &. 
Be 
oO 
rt ‘ant 
um and other tall parent te ; rasitic on any other 
aye from Indiana, D Clapp af nos and Missouri, 
mond ! Engelm.! Rie hl! 15 & 16; Kansas, Hayden! 
the sai Arkansas region, Fendler'! és aH a to the 
Canadian, Bigelow! and to the Liano in western Texas, 
Lindheimer! Mr. Riehl found it very destructive to the pear 
seedlings in his nursery.—This, the most striking of all Cus- 
cutee, hos been so fully described, that very little is to be 
