Vol. 11. 



Part 1 1 



PITTONIA. 



Series of Botanical Papers 



15 Y 



EDWARD L, GREENE, 



Associate Professor of Botany iu tlie University of Califorijiii, 



BERKET^EY, CALTEORNIA. 



^NIay— August, 1892 



CONTENTS. 



Page. 



On Certain Spir^aci:.k, ^ . . 219 



New or Notewokthy Srr.rrES, XII, - 222 



- *' ^^ '' XIII, 282 



On Cbrtain CaijIFokniak Labtatje, -._-.. 238 



Ki:mahks on Tertain Pentstemoxs, 237 



\ Nkw Cat.tfohxtan Moss (By N. C. Kiudber^). - - - 243 



Studies in the Co.\iPo?iix^, I, ------ - 244 



CoxcEKMXu KEXEiiEERT^ Bv J. G. Leiiimou), - - . - 24> 



Notes on Brodlea and FKiTrLLAKiA, . - - _ . 249 



Some Amehican PoiiEMONiACE-E, ir, 

 tebatolooicaii n jtes, t, - 

 Dr. Kcntze and His ^-viewers, 



251 



261 



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