﻿316 



Griggs: Some 



BiHAI 



asunder closely related species, such for example as B. longa, B. 

 pendtda, and B. marginata, which though very closely related, 

 differ in size and width of the bracts so much that they are neces- 

 sarily thrown into different subgenera by the key characters. 

 As one goes through the genus he finds so many difficulties of this 

 sort that it becomes clear that some other method of subdivision 

 is necessary. A new classification is therefore proposed which 

 while retaining the old subgenera as recognizable primary sub- 

 divisions, even if they are somewhat indefinitely characterized, 

 is mainly built around smaller groups of rather closely similar 

 species. The names of these groups have been taken from the 

 specific names of characteristic species, indicating therefore cate- 

 gories of lower rank than the subgenera with their substantive 

 designations. Before proceeding to the key it may be well to 

 outline this proposed classification. 



TAENIOSTROBUS 



Episcopales, including only B. episcopalis. 

 Lmbricatae, including B. conferta, B. Wagneriana, B. 



B. densa, B. reticulata, B. ptmicea, B. Mariae, and B. 



(intermediate). 

 Pendulae, including 5. rostrata, B. longa, B. revoluta, j 



B. Colliyisiana, B. villosa, B. platystachys, and B. 

 CiiAMPNKiANAE, including 5. Bihai, B. Champneiana, 1 



B. borinqiiena, B. riitila, B. purpurea, B. stricta, and 



imhricata, 

 zurtispatha 



J. pendula, 

 marginata. 

 '. barqueta, 

 B. humilis. 



STENOCHLAMYS 



, including B. velligera, B. metallica, B. spissa, B. dasy- 



lingulata, B. distun. 

 and B. Burchellii. 

 ^NNOiDEAE, includii 



. geniculata, 

 . latispatha, I 



