INDEX 219 



Penstemon Mitch. 



Penstemonia, new genus, 14. 

 Penstemon antirrhinoides Benth. 



Penstemonia sp., 14. 

 Penstemon breviflorus Lindl. 



Penstemonia brevifolia, new species, 21. 

 Penstemon centranthifolius Benth. 



Penstemonia edwardsii (Beutenmiillcr), 14. 

 Penstemon cordifolius Benth. 



Penstemonia dammersi, new species, 19. 

 Penstemon catonii Gray. 



Penstemonia edwardsii (Beutenmiillcr), 14. 

 Penstemon parryi Gray. 



Penstemonia edwardsii (Beutenmiillcr), 14. 

 Penstemon richardsonii DourI. 



Penstemonia clarkei, new species, 18. 

 Penstemon spectabilis Thurbei. 



Penstemonia hennei, new species, 16. 

 Penstemon sti ictus Benth. 



Penstemonia edwardsii (Beuteimiiiller), 14. 

 Penstemon unilateraJis Rydb. 



Penstemonia edwardsii (Beutenmiillcr), 14. 

 Persica (L.) Batsch. 



Sanninoidea exitiosa exitiosa (Say"), 10. 



Synanthedon pictipes (Grote and Robinson), 94. 

 Persimmon. (See Diospyros virginiana.) 

 Phoradendron flavescens (Pursh. ) Nutt. 



Carmenta phoradendri, new species, 51. 

 Phoradendron oibiculatum Engelm. 



Carmenta tecta (Hy. Edwards), 52. 

 Physocarpa Raf. 



Thamnosphecia scitula scitula (Harris), 114. 

 Picea abies (L.) Karst. 



Vespamima pi'ni (Kellicott), 130. 

 Picea engelmannii Engelm. 



Vespamima novaroensis (Hy. Edwards), 129. 

 Picea sitchcnsis (Bongard) Carr. 



Vespamima novaroensis (Hy. Edwards), 129. 

 Pine. (See Pinus.) 



Pine, lodgepole. (See Pinus contorta.) 

 Pine, Monterey. (See Pinus radiafa.) 

 Pine, sugar. (See Pinus lamberfiaita.) 

 Pine, western yellow. (See Prunus ponderosa.) 

 I'ine, white. (See Pinus strobus.) 

 Pinus L. 



Thamnosphecia scitula scitula (Harris), 114. 

 Pinus contorta Dougl. 



Vespamima novaroensis (Hy. Edwards), 129. 



Vespamima sequoiae (Hy. Edwards), 127. 

 Pinus lambertiana Dougl. 



Vespamima sequoiae (Hy. Edwards), 127. 

 Pinus ponderosa Lawson. 



Vespamima novaroensis (Hy. Edwards). 129. 



Vespamima sequoiae (Hy. Edwards), 127. 

 Pinus radiatta D. Don. 



Vespamima sequoiae (Hy. Edwards'), 127. 

 Pinus strobus L. 



Vespamima pini (Kellicott), 130. 

 Platanns racemosa Nutt. 



Ramosia resplendens (Hy. Edwards), 35. 

 Plum, wild. (See Prunus americana.) 

 Polygonum davisiae Brew. 



Ramosia chrysidipennis (Boisduval), 29. 

 Polygonum parcmychia Cham, and ScWechf. 



Ramosia polygoni animosa (Hy. Edwards), 23. 

 Poplar. (See Populus.) 

 Poplar, balsam. (See Populuj balsamifera.) 



