200 Mr. J. Miers on some of the Heliotropiese. 



— scandens, ramis teretibus, cano-tomentosis ; foliis ovato- 

 oblongis, obtusule acuminatis, imo rotundatis aut acutius- 

 culis, crassis, utrinque lanato-tomentosis, subtus albidis ; 

 petiolo cano-tomentoso, limbo 6-plo breviore : paniculis ter- 

 minalibus, dichotomis ; ramis plurimis, subalternis, diffuse 

 divaricatis, spicatifloris, cano-tomentosis ; floribus unilate- 

 ralibus, remotiusculis ; sepalis lanceolatis, pubescentibus ; 

 drupis hispidulis, 4-gastris. — In Mexico, prope Acapulco 

 {non vidi). 



Axils |-1 inch apart ; leaves 3-3J inches long, 13-16 lines 

 broad, on a petiole 6-7 lines long. The terminal panicle is 

 diffusely divided into about ten unilateral spikes, 4-5 lines 

 apart, each about 3 inches long, with sessile flowers 1-2 lines 

 apart. 



16. Messerschmidtia sjpigellijlora^ nob. ; — Tournefortia spigel- 

 Iseflora, A. DC. Prodr. ix. 625 ; — scandens, ramis teneribus, 

 teretibus, fistulosis, patenter rufulo-pilosis ; foliis elliptico- 

 oblongis, acuminatis, acute mucronulatis, imo obtusis, mem- 

 branaceis, utrinque albo-tuberculatis et sparse adpresso- 

 pilosis, supra fusco-, subtus pallide viridulis, nervis tenuibus 

 obscuris ; petiolo dense piloso, limbo 12-15-plo breviore : 

 panicula terminali, longiuscula, laxe 3-4-chotome divisa, 

 geniculatim flexuosa, dense pilosa, ramis ultimis curvulis, 

 spicatifloris ; floribus crebre 1-seriatis, pilosis ; sepalis lobis- 

 que corollae acutissime subulatis. — In Guiana Britannica : 

 V. s. in herb, meo (Schomb. 749). 



A climbing plant, with slender branches -^-f line thick, with 

 axils 1 inch apart ; leaves 3-3^ inches long, Ij-l^ inch broad, 

 on a petiole 3 lines long ; panicle 5 inches long and broad, with 

 geniculated conjugated divisions widely spreading, three times 

 dichotomously divided ; peduncle 1 inch long ; primary branches 

 6-20 lines, secondary 9 lines, spicated branches IJ inch long ; 

 sepals IJ line long, tube of corolla narrow, straight, 3 lines 

 long, lobes of border 1 line long ; anthers included, cohering at 

 their summits ; style elongated, turbinately thickened at its 

 apex, and surmounted by a rather long, obtuse, pilose stigma. 



17. Messerschmidtia memhranacea^ Gardn. Lond. Journ. Bot. 

 i. 181 ; — Tournefortia membranacea, DC. Prodr. ix. 530 ; — 

 Tournefortia floribunda, Fresen. {non H. B. K.) in Mart. Fl. 

 Bras. xix. p. 54 ; — scandens, ramis compressis, flexuosis, 

 subfistulosis, ferrugineo-tomentosis ; foliis ovato-oblongis, 

 imo rotundatis aut subcordatis, apice acutis et breviter mu- 

 cronatis, supra pilis brevibus rigide adpressis incanis crebre 

 tectis, subtus pallidioribus, densius velutinis, in nervis costa- 



