79 



Acerates angustifolia (Nutt.) Dec. in DC. Prodr. 8: 522 (1844). 

 Poly of us angustifolius Nutt. Trans. Am. Phil. Soc. (II.) 5: 201 



(1833-37). 

 Acerates auriculata Engelm.; Torr. Mex. Bound. Surv. 2: 160 



Asclepias stenophylla A. Gray, Proc. Am. Acad. 12 : 72 (1876). 

 In dry, gravelly or stony ground along Town Creek and the Guadalupe 

 at Kerrville, but scarce. 

 June 16 (1868). 



AMPELANUS Raf.; Britton, Bull. Torr. Club, 21 : 314 (1894). 

 [ENSLENIA Nutt. Gen. i: 164(1818;, not Raf.] 



Ampelanus ligulatus (Benth.). 



Enslenia ligulata Benth. PI. Hartw. 290 (1848). 



In rich ground on the left bank of the Guadalupe above Kerrville, 

 twining over bushes and low trees. Apparently not previously reported 

 within the borders of the United Sta,tes. 



June 21 (1899); type locality, " ad Aguas Calientes." 



METASTELMA R. Br. Mem. Wern. Soc. 1:52 (1809). 

 Metastelma barbigerum Scheele, Linnaea, 21 : 760 (1848). 

 At the Oso, climing over bushes, altitude 10 feet. Not plentiful. 

 April 12 (1559); type locality, New Braunfels, Texas, 



VINCETOXICUM Walt. Fl. Car. 104 (1788). 

 [GONOLOBUS Michx. Fl. Bor. Am. i : 119 (1803).] 

 Vincetoxicum biflorum (Raf.). 



Gonolobus biflora Raf. New Fl. 4: 58 (1836). 

 Chthamalia biflora Dec.; DC. Prod. 8: 605 (1844). 

 In rich limestone ground along Bear Creek, Kerr county, altitude 

 1800 feet. Gonolobus biflora is credited to Nuttall, in Decaisne, DC. 

 Prod, as "Nutt.? in DC. herb.," and by Gray is cited as published in 

 Torrey, Mex. Bound. Surv. 2: 165 (1859), but Rafinesque is totally 

 ignored. 



April 30 (1681); type locality, Red River, Arkansas ana Texas. 

 Vincetoxicum reticulatum (Engelm.), 



Gonolobus reticulalus Engelm.; A. Gray, Proc. Am. Acad. 12 : 75 



(1876). 



Gonolobus granulatus Torr. Mex. Bound. Surv. 165 (1859), not 

 Scheele. 



