332 PROCEEDINGS OF THE AMERICAN ACADEMY 



2. H. AFFiNis Gray, Man. ed. 5, p. 370. Spinosa, glabra; foliis 

 lanceolatis elongatis subpetiolatis ; floribus ia gloinerulis axillaribus ; 

 sepaHs ovatis coroIla3 adaequautibus ; stylis capsula brevioribus. — 

 H. leptocaulis Feathermau in Louisiana Univ. Hep. 1871. — S. Illinois 

 to Texas. . 



3. H. Caroliniana Michx. Subspinosa, parce villoso-hispida ; 

 foliis fere glabris lanceolatis brevi-petiolatis ; floribus in axillis inferi- 

 oribus glomerulatis vel in summis solitariis ; sepalis linearil)us vel sub- 

 lanceolatis corollam subjEquautibus ; stylis capsula brevioribus. — H. 

 quadrivalvis Walt. Car. p.' 110, nomen falsum decipiens. — N. Carolina 

 to Florida. 



4. H. OVATA Nutt. in Trans. Am. Phil. Soc. n. ser. 5, p. 196 ; Chois. 

 Hydrol. t. 1. Spinosa, superne ramosissima, pube undique molli brevi 

 cum pilis longioribus nonnuUis ; foliis ovatis nunc ovato-lanceolatis 

 brevissime petiolatis ; floi'ibus apice ramorum corymboso-congestis ; 

 sepalis lanceolatis villoso-liirsutis corolla brevioribus; filamentis stylisque 

 praisertim longis filifbrmibus. — H. Ludoviciana Featherman, 1. c. — 

 Arkansas, Louisiana, and Texas. Said to be also South American. 



