176 REPORT OF AN EXPEDITION DOWN THE 



EXPLANATION OF THE PLATES. 4 



Plate 1. Stanley.* iktec.rifoi.ia. 

 Fig. 1, a flower magnified ; fig. 2, a silique, equally magnified. 



Plate 2. Vkrnonia Arkakkava. 



Fig. 1, a flower : fig. 2, the style ; tig. 3, an achenium. with its pappos — all 

 magnified. 



Plate 3. BaHIA IKTECRIF OUA. 



Fig. 1, a ray -flower ; fig. 2, a disk-flower ; fig. 3, a style of the same : fig. 4. 

 achenium — all magnified. 



Plate 4. Lin'osyris i'ilciiella. 

 Fig. 1, a single flower, magnified ; fig. 2, the style, more magnified. 



Plate 5. Tessakia borkalis. 



Fig. 1, a female flower; fig. 2, a central hermaphrodite flower— both moder- 

 ately magnified : fig. 3, pappus of the female flower, more magnified : fig. 4, 

 .pnppus of the hermaphrodite, equally enlarged. 



Plate 6. Hymenothrjx Wrigiitii. 



Fig. 1, a marginal flower; fig. 2, a disk-flower; fig. 3, style of the latter; fig. 

 4, pappus •. fig. 5, an achenium — all more or less magnified. 



Plate 7. Gjlia longiplora. 



Fig. 1, a flower laid open, but little magnified ; fig. 2, the calyx, more en- 

 larged : fig. 3, a stamen ; fig. 4, part of the style and the stigma, with the lobes 

 connivent ; fiff. 5, diverging lobes of the style after anthesis ; fig. G, a capsule : 

 fin-. 7. transverse section of the same — all magnified. 



* Plates Nos, 1 and 12 represent two plants not contained in the New Mexican collection, bet 

 they are natives of Texas. They were prepared for another government report, which was net 

 published. 



