List of Seeds Collected during 1913. 



Berardia 



subacaulis, Vill. 



Berberis 



Aquifolium, Pursh 

 aristata, DC. 

 Darwinii, Hook. 

 repens, Lindl. 

 stenophylla, Hance 

 subcaulialata, C. K. Schn 

 Thunbergii, DC. 

 virescens, Hook.f. 

 vulgaris, Linn. 

 Wallichiana, DC, var. ( 



Beta 



Bourgaei, Coss. 

 trigyna, Waldst. et 



Betula 



alba, Linn. 

 — var. pubescens 

 fruticosa, Pall. 

 lutea, Michx. 

 papyrifera, Marsh. 

 ulmifolia, Sub. et Z 



Borago 



officinalis, Linn. 



Bottionea 



thysanthoides, Colla 



Bouteloua 



oligostachya, Ton. 



tenera, Sfreng. 



Boykinia 



1 aconitifolia, Null. 



occidentalism Tory, et Gray 



Brachycome 



Thomsonii, T. Kirk 



Bidens 



Biscutella 



Blackstonia 



perfoliata, Hu 



Blephilia 



repanda,' DC 



Braya 



alpina, Sternb. et Hop 



Brittonastrum 



ionocalyx, B. L. RobU 

 pallidum, Brig. 



Blumenbachia 



Hieronymi, Urb. 



