OF ARTS AND SCIENCES : OCTOBER 14, 1862. 75 



Philad.) Fere glaber ; caule stepius ramoso ; ratnis patentibus ; foliis 

 ovato-lanceolatis seu angusto-lanceolatis incisis vel laciniato-pinnatifi- 

 dis, ramealibus ssepe alternis ; panicula laxa ; corolla poUicari violacea ; 

 filamento sterili apice parce barbato. — Oregon. P. argutus, Paxt., 

 of the gardens appears to be a form of this, or a hybrid between it and 

 the foregoing species. 



60. P. TRiPHTLLUS, Dougl., Lindl. Bot. Reg. t. 1245. Fere glaber, 

 ramosus ; foliis lanceolatis seu linearibus paucidentatis pinnatifidisve 

 rigidulis, inferioribus ternis vel quaternis, superioribus quandoque op- 

 positis, ramealibus nunc alternis ; panicula laxa foliosa ; corolla semi- 

 pollicari violacea superne parum ampliata ; filamento sterili superne 

 dense barbato. — Oregon to British Columbia. 



* * * Glaberrimus vel pubero-glandulosus ; foliis integerrimis ; fila- 

 mento sterili apice complanato glaberrimo vel glabi'iusculo ; pe- 

 dunculis paucis gracilibus 3 - 6-floris. 



-1— Corolla semipollicari (cterulea) superne parum ampliata ; antheris 

 glabris secus rimam minute denticulatis. 



61. P. GRACiLENTUS, Gray in Pacif R. R. Exped. 6, (Bot.) p. 83. 



— Mountains of North California, Dr. Newberry. Lower leaves lan- 

 ceolate, attenuate into slender petioles, the upper linear, attenuate at 

 the base. 



-)— -)— Corolla ultrapollicari superne infundibuliformi-ampliata, limbo 

 leviter bilabiata ; antheris secus rimam hirtello-ciliatis basi aut 

 hirsutis aut glabris. 



62. P. HETEROPHTLLUS, Lindl. Bot. Reg. t. 1809 ; Bot. Mag. t. 

 3853. Glaberrimus vel pruinoso-puberulus, vix glaucus ; foliis cauli- 

 nis lineari-lanceolatis vel anguste linearibus basi attenuatis ; racemo vir- 

 gato, nempe pedunculis unifloris raro bifloris ; corolla rubro-purpurea. 



— California. It is to be hoped that the color of the flowers may hold 

 constant in this species ; for there are specimens which, in the shape of 

 the leaves and in the inflorescence, in the herbai'ium appear quite am- 

 biguous between this and the next species. 



63. P. AZUREUS, Benth. PI. Hartw. p. 327, no. 1819. {P. glauci- 

 folius, Gray in Pacif. R. R. Exped. 6, 1. c. P. Jaffrayanus, Hook. 



Bot. Mag. t. 5045, forma latifolia.) Glaberrimus, glaucus ; foliis cauli- 

 nis anguste aut lato- vel ovato-lanceolatis, inferioribus nunc spathulato- 

 oblongis, superioribus arete sessilibus e basi lata subcordato-ovatis seu 

 ovato-lanceolatis ; panicula virgata ; pedunculis 1 - 3-floris : corolla 



