— 345 — 



Página 



Bixa Oiellana L 32 



Bixineae 32 



Blechnum occidentale L 332 



Blepharocalyx cisplatensis Gr 112 



— Tweedii Bg 113 



Blumenbachia cernua Gr 120 



— contorta Benth. Hook 120 



— lateritia Benth. Hook 120 



— multifida Hook 120 



Boccoiiia frutescens L 21 



Boehmeria caurlata Sw ... 267 



Boerhavia hirsuta Willd 223 



— panniciüata Rich 223 



— piúchella Gr 223 



Bolax GiUiesii Hook 130 



— glebaria Coram 130 



Bombaceae 40 



Borragineae 180 



Borrago officinahs L l^^l 



Borreria verticillata Mey 140 



Bougainvillea frondosa Gr 224 



— infesta Gr 224 



— praecox Gr. . 224 



— stipitata Gr 224 



Boiissingaultia baselloides Kth 234, 235 



Bouteloua ciliata Gr 300 



— curtipendula As. Gr 300 



— humilis Hier 301 



— lophostachva Gr 300 



— multiseta Gr 300 



nana Gr 300 



tenuis Gr 300 



— — var. humile Gr 301 



Brassica campestris L 26 



— — var. napo-brassica (D. C.).. 26 



_ _ _ oleiíera (D. C.) 26 



_ _ _ pabiilaria (D. C.) 26 



— Napus L 26 



— — b. esculenta (D. C.) 26 



-^ — a. oleifera (D. C.) 26 



— nigra Kch 26 



— olerácea L 24, 25 



— — var. acephala f. costata (D. C.) . . 25 

 _ _ — _ e. palmifolia (D. C.) 25 

 _ _ _ _ c. quercifoiia (D. C.) 25 



