INDEX. 



[The names of plants described or regularlj enumerated, as well as those of natural orders, are printed in small capitals 



Synonyms, and the namcs of genera and species variously mentionedj but not cliaracterized, are in Roman.] 



i 



\ 



\ 



Abuceros, 109. 



Abtttilon confertiflorum, 20. 



CRISPUM, 21. 



ellipticumj 20. 

 graveolensj 21. 

 hirtum, 21. 



HOLOSERICEirM, 20. 



hypolcucum, 20. 

 lignosum, 20. 



Nuttallii,21. 



PARVULUM, 21. 



peraffine, 20. 

 permolle, 20. 

 Texense, 21. 

 velutlnum, 20. 

 Wrightii, 20. 

 AcAciA Berlandieri, 66. 



constricta, 66. 

 coulteri, 66. 



cusfidata, 66. 



Farnesiana, 67. 



flexicauHs, 65. 



Greggii, 65. 



HIRTA, 66. 

 MALACOrilYLLA, 64. 

 BIGIDULA, 65. 

 R(EMERIANA, 65. 

 TEPHROLOBA, 65. 



Texensis, 66. 



Wrightii, 64. 

 Acarphoea, 123. 

 Achyropappus, 123. 

 Aciphyllaea acerosa, 115. 



Acourtia formosa, 127. 



hebeclada, 127. 





Acourtia microcephala, 128. 



rigida, 127. 

 AcTiNELLA anthemoides, 122. 



chr^^santhemoides, 122 

 heterophylla, 122. 

 integrifolia, 122. 



LINEARIFOLTA, 122. 

 ODORATA, 122. 



SCAPOSA, 122. 



AcTiNOMERis helianthoides, 108. 



oppositifolia, 108. 



pauciflora, 108. 



Wrightii, 108. 

 Adolfhia infesta, 34. 



Aganippea, 123. 



Agassizia suavis, 120. 

 Algarobia glandulosa, 60. 

 Amauria ? dissecta, 123. 

 Amblyolefis setigera, 121. 

 Amblyopappus, 123. 

 Ambrosia bidentata, 104. 



confertiflora, 104. 



CORONOPIFOLIA, 104. 



hispida, 104. 

 fruticosa, 104. 

 glandulosa, 104. 

 integrifolia, 104, 

 Lindheimeriana, 104. 



longistylis, 104. 

 psilostachya, 104. 

 Amoreuxia malvjefolia, 29. 



palmatifida, 29. 



Scheideana, 29, 



Amorpha canescens, 49. 



Caroliniana, 49. 



