Moronobea rupicola R. . Schu/tes. . . . VII, VIII 
Pitcairnia turbinella LZ. B. Smith 2... . . XIX 
Platonia insignis Mart. var. formosa FP. 1’. Schultes IX 
Pleurothallis diffusa Poepp. & Hndl. . . 2 . 2) LITT 
Pontederia cordatab. ........... XXII 
Quararibea funebris (L/ave) Vischer . . . . . LVIII 
Scaphyglottis decipiens C. Schweinf... . . . XVII 
Scaphy glottis fusiformis (Grviseb.) R. 1. Schultes . LUI 
Scaphyglottis propinqua C. Schweinf. . . . XVIII 
Stelis gracilifolia C. Schweinf... 2... 2... XV 
Stenia pallida Lindl... . . 2... . . .) . LIT, LIV 
Symphonia microphylla R. 27. Schultes . 2... 2 WX 
Symphonia utilissima FR. £7. Schultes . 2. 2. X, XI 
Vaupesia cataractarum PR. . Schultes XI, X11, XPV 
Vriesia vexillata L. B. Smith . 2... . 2...) XXII 
Zea Mays bL. . 6 2 wk bee ee et ee oe as LV 
Archaeological maize 
XXV-XXXIV, XXXIX-XLIII 
Experimental Hybrids. . . . . . XXV, XXVI 
Caves which contained archaeological maize 
XXXVITI 
Kernels ........... XXXIX, XLIV 
Modern Mexican maize XXX, XLII, XLV-XVLII 
Quids and chewed ears. . . ..... XXXVII 
Representations on funerary urns XXNXV, XXXVI 
[ vini | 
