fiorLTER AND RO-iK — NORTH AMERICAN UMHKLLIKKRAK. 



27 



n'oiul, 



Mid' '• 



■Ik 4005, 



iichifola, 

 ;.')1, April 



r Colton, 

 Moroii^o, 

 June 15, 



lich have 



whorls, 



if: fruit 



sal ribs 



in Texas 

 referred 



;. R. Vitmi 

 San Fran- 

 lirdiideijee, 



eh weeni to 

 n wt't land 

 ■y in 1891), 

 ic(\ Ih elon- 

 )ii^er than 

 a the atate- 



'virwh. 



m 





rni)>els ;> t(» '.♦-ll()\ver<>(l. jrciierally i»r<)lif(>r()tis; pediecMs very sliort. 

 Imt cllsfinct; fruit sli«jclitly notched, 'J nun. lon^" and ahout 4 ujui. I)r(>ad, 

 nuich more HatttMunl than in the precedinj^ forms ; dorsal and lateral 

 ribs much more prominent, the foruu'r acutish. 



Type locality. "Maryland ;" type in llerl). (rray. 



New ffersey to Alai'vland. 



S/iiciiiii'us I'.ntinhii'il : 



Dki-awakk: CollinH Beach, Coinnioiix, July (i, 1874. 

 Maryland: 0(;ean City, Oinhi/, Auj^ust, 1874. 



4. Hydrocotyle bonariensis Lam. Encycl. 3: 158. 17811. 



rr. hitiiarli'iisix Ir.idiKi C. & K. Mot. (la/,. 15: !.'.">!». 1890. 



rmhcls profusely hranchinj'' and proliferous; pedicels slender, more 

 or less elonj^ated, sometimes '2 cm. lonjj; fruit slightly notched, )i mm. 

 long, 8 nun. hroad. 



Type locality, "pres de Hueno.s-Ayres." 



From North Carolina to Floi'ida and Texas; a South American and 

 Mexican species, and often a ])allast plant. 



Spi'chiu'iiK t'xitinhu'd: 



North Cakoi.ina: Ballast dumps at Wilmington, Billmoir Ifrrh. 5708, July 2, 



1897. 

 Florida: Dry grassy ground, Pensacola, r'?<>7/.<i,t 5922, .July .S, 1897. 

 Missis-sii'Im: Hiloxi, Harrison County, Polht rd ll'VA, August 1, 189(). 

 Texas: LiiKlliciuicr, October, 1847 (under //. iindn'lhtta); Devils River, Hunird 

 l.'{9, July, 188;i; NeuUeu, in 1888; Industry, Wnrzloir, in 1895. 

 Most of the so-called proliferous forms of //. uinhdldla throughout the South and 

 South\ve.st and on l)anast heaps s(>em to Iwlong to //. hnnnrii'iixix. 



5. Hydrocotyle verticillata Thun))erg, Diss. 2; 415. pi. H. ISOO. 



If. iidn-mptd Muhl. Cat. 29. 18i;5. 



Umbels few-tiowered, proliferous, forming an interrupted si)ike; 

 pedicels very short or none; fruit '2 nun. long, 3 nun. broad, truncate 

 or rounded at base, with dorsal and lateral ribs ver^' prominent, the 

 former acute. 



Type locality unknown. 



From Mas.sachusetts to Florida, west to central Texas and Ai'kansas. 



S/)i'fiiiu'iiK f.taiiiliied: 



Xkw Jerskv: (/ape May, Canhij, July, 18t)(). 



Virginia: Hampton, Steele, August, 1895. 



North Carolina: Near Clarkton, Bdhnore Ifcrh. 2542^*, June 25, 1897. 



SocTH Carolina: Near Aiken, Ruiriicl. 



FixiKiDA: Hil)ernia, Canbi/, March, 18()9; St. Johns River above Palatka, Cur- 

 tixH 992; Otto V,Klrrlniid, in 1889; near Jacksonville, Curttsx 4:W:i, 49(5:i, May 

 30, 1893, and June 29, 1894; Palm Beach, CVn<?>//, March 29, 1895; i^ake 

 City, Columbia County, iV«.>i/i 2485, August 29-31, 1895. 



Missis,sii'|'i: Biloxi, Tmri/ 4471, May 26, 1898. 



Texas: Hempstead, II<dl 239, May 28, 1872; Houston, L. F. Ward, Septemlier 

 12, 1877; Gillespie County, Jenny; Dove Creek, Tom Green County, Tiiredy 

 190, May, 1880; Concho, Havard, June, 1881. 



Arkansas: SjHrit Lake, Lafayette County, A. A.dK Gertrude lIeller4\V,\, August 

 18, 1898. 



