144 SYLVA TELLUR. 



fimbriato stam. ferens, limbo unilab. 5lobo, stam. 

 4 didyn. arcuatis, antheris connexis, ovario vil- 

 loso, stylo apice glabro furcato, caps, ut Acan- 

 thus ? Frutic. foL opp.fl.splcatis — very unlike 

 Acanthus to which united. 



923. Zonahlepliis polistachya Raf. Acan- 

 thus do Del, Cailt, 72 f. 2. Ramulis teretis, foL 

 sess. ovatolanc. acut, dentato undul. spicis term, 

 imbric. 4gonis, bract, ternis ciliatis, 2 subul, in- 

 fera 5nervia— shrub of Nubia, leaves 6-12 inches 

 pubescent beneath, fi. rosate, calix very unequal 

 in shape and size of segments. This and the 

 following till 934 are new trees and shrubs dis- 

 covered with 100 rare plants by Caillaud in Nu- 

 bia and Central Africa, near the Western Nile, 

 described and figured by Delile, in his travels, 

 but squeezed in akin Genera. 



924. Keringa Raf. (n. afr.) diff. Vernonia, 

 per, duplex, imbric. ext. brevior, phorantho nudo 

 poroso, akenis 15-20 turb. arcuatis lOnervis, 

 apice apiculatis, pappus 20-30 setis denticulatis 

 Arhorea, foL alt, fl, sub panic — certainly not 

 congeneric to our American herbaceous Verno- 

 nias. 



925. Heringa amygdalina Raf. Vernonia do 

 Del. Cail. Ramulis gracilis fol. subpet. lanceol. 

 subintegris, panic dichotomis, perianth, ext. lin- 

 earib. ext. subrot — tree of Central iVfrica, called 

 'Keringa leaves 5 or 6 inches, flowers white. 



926. Pleuromenes R. (side lun) difF. Acakia, 

 Leg. spongiosis evalvis variabilis, ineq. obl. gib- 

 bosis vel strictis, vel arcuatis, vcl giobosis, vel 

 pyriformis, sem ovoideis lucidis, utrinque latere 

 macula lunulata. FoZ, bipin. Jl. spicatis — this 

 G. must be added to my Series of x4cakia after 

 756, the flowers must be described, but the pods 

 are quite peculiar and strangely multiform. 



