Psychotria nudiceps Stand... 2 2 2... XLV 
Psychotria psychotriaetolia (Seem.) Standl. . XLVII 
Richard Spruce... 2 2. NRX 
Rourea glabra WBA. 2... 2. 2... 6 XXXNVII 
Schoenobiblus peruvianus Stand. . . . . NNXVIITI 
Stelis pendulispica dmes . . . . 2... . LUXNIV 
Styrax Tessmannii Perk. . 2... . 2.) 0 OXNNXIX 
Teosinte-pollinated maize ears . . . . . LXNXVITI 
Tripsacoid characters in maize cobs. . . LXNVIIL 
Unonopsis veneficiorum (Mart.) RB. Fr. . XXXIV 
Virola theiodora (Spr. ev Bth.) Warburg. .  LNITI 
