List of Seeds Collected during 191 2. 



Avena 



fatua, Linn. 

 orientalis, Schreb. 



sterilis, Linn. 



Babiana 



nana, Spreng. 



Baccharis 



patagonica, Hook. 



Baeria 



Barbarea 



orthoceras, Ledeb. 

 vulgaris, R. Br. 



Berardia 



subacaulis, Vill. 



Berberis 



Aquifolium, Pursh 

 aristata, DC. 

 Darwinii, Hook. 

 Guimpelii, C. Koch e 

 stenophylla, Hance 

 Thunbergii, DC. 



trigyna, Waldst. et Ku 



Betula 



alba, Linn. 



— var. pendula, Hort. 



lutea, Michx. 

 occidentalis, Hook. 

 papyrifera, Marsh. 

 populifolia. Marsh. 

 ulmifolia, Sieb. et Zi 



Bidens 



dahlioides, S. Wats. 

 grandiflora, Balb. 

 humilis H. B. et K. 



Biscutella 



laevigata, Linn. 

 leiocarpa, DC. 



Blumenbachia 



Hieronymi, Urb. 



Borago 



laxiflora, Willd. 

 officinalis, Linn. 



Bottionea 



thysanthoides, Colla 



Bowlesia 



tenera, Spreng. 



Boykinia 



occidentalis, Torr. et 



Brachypodium 



distachyum, B 



Brassica 



Erucastrun 



nigra, Koch 



