Paphiopedilum Wilhelminiae L. Wms. . . 2. . XVI 
Phaseolus coccineus LZ. . . ........ . Vil 
Phaseolus vulgaris LZ. . 2. . 2. . 2... .)6VO,VIT 
Ponthieva ovatilabia C. Schweinf. . 2. 2. . 2. XXXI 
Rudolph Blaschka, facing p.1380  . . . . . . XXII 
Sobralia speciosa C. Schweinf... . . . .  XXVITI 
Solanum alibile R. J. Schultes 2. 2... 2. . XXXII 
Solanum georgicum R. 17. Schu/tes 
b. &. So. 2 Oe. O.S. 4 hoe. O.@. G's 
Solanum liximitante PR. l’. Schultes XXXVI,XXXVII 
Solanum muricatum 7. 
XXXVITI,XX XIX, XL, XLI 
Solanum platyphyllum H.& B.. . . . . . . XLII 
Solanum quitoense Lam... ...... . XNULIII 
Solanum Topiro H.& B. XLIV,XLV,XLVI,XLVII 
Stelis latisepala C. Schweimf. . . . . . . . XXIX 
Stelis obovata C. Schweinf. . . . . . . . . SMXIX 
Tripsacum australe Cutler & Anderson . . XX,XXI 
Tripsacum laxum Nash . 2... 2... XX 
Vanilla planifolia dndr. . 2... . 2... XVII 
Zea Mays L. Archaeological maize from 
Cebollita Cave ............ XXIII 
Zea Mays L. Cross section of pulvinus. . . . . . V 
Zea Mays L. Manifestations of the phytomer. . . I 
Zea Mays L.. Teosinte introgression in Cebollita 
Cave maize. ............. . XXIV 
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