cccxxxviii List of Seeds Collected during 1910. 



j Bidens 



humilis, H. 



— var. luteo-variegata 



— var. spathulata. 

 gracilis, Sprun. 



Billardiera 



scandens, Sm. 



Biscutella 



laevigata, Lii 



Baccharis 



patagonica, Hook 



Baldwinia 



multiflora, Nittt. 



Blumenbachia 



Hieronymi, Urb. 



tenera, Spreng. 



Boykinia 



aconitifolia, Nutt. 

 major, A. Gray 

 occidentals. Tory. 



Berberis 



Aquifolium, T 

 aristata, DC. 



Vlllg,. 



Beta 



trigyna, Waldst. et Kit. 



Betula 



alba, Linn. 



fruticosa, Pall. 

 lutea, Michx. 

 occidentalis, Hook. 

 papyrifera, Marsh. 

 populifolia, Marsh. 

 ulmifolia, Sieb. et Zucc 



Brachycome 



-U— Thomsonii, T. Kirk 



I Brassica 



nigra, Koch 

 oleracea, Linn. 



Braya 



Brittonastrum 



ionocalyx, B. L. Robins. 



I Brodiaea 



Douglasii, S. Wats. 

 hyacinthina, Baker, var. 



I ixioides, 5. Wats. 



