58 PROCEEDINGS OF THE AMERICAN ACADEMY 



* * Longijlori ; corolla (plerumque coccinea) longe tubulosa cylin- 

 drica, labiis brevibus, superiore erecto subincurvo, inferiore pa- 

 tente 3-partito. 



H— Foliis basi attenuatis. 



5. P. TERNATUS, Torr. Bot. Mex. Bound, p. 115 ; Gray, in PI. Coll. 

 Xant., no. 63, Jour. Bost. Soc. Nat. Hist. Fruticosus, glaber ; foliis 

 lineari-lanceolatis ternato-verticillatis denticulatis ; sepalis lanceolato- 

 ovatis ; corolla " pallide coccinea " pollicari ; filamento sterili a basi ad 

 apicem valde barbato. 



6. P. CORYMBOSUS, Bcnth. Decumbens ; ramulis foliisque oblon- 

 gis obtusis subintegerrimis pubescentibus ; cyma corymbosa terminali ; 

 sepalis lineari-lanceolatis ; filamento sterili glabro ex Benth. in spec, 

 nostris longitudinaliter parce bai'bato. — Known only from Coulter's 

 Californian collection, no. 629, and from good specimens gathered in 

 Wilkes's Exploring Expedition. 



•f— H— Foliis basi obtusis vel retusis. 



7. P. coRDiFOLius, Benth. Sarmentosus, etiam scandens, prui- 

 noso-puberulus vel glabratus ; foliis ovatis vel subcordatis scepe den- 

 ticulatis parce dentatisve scabridis, venis supra impressis ; floribus 

 plerumque resupinatis ; sepalis ovato-lanceolatis ; corolla ultrapollicari 

 coccinea ; filamento sterili dense barbato. — " Runs over tall bushes 

 like a Lonicera " ; and, as the bright scarlet flowers are profuse, it 

 would be a great acquisition to the gardens. 



Probably a variety of this, or possibly an allied species, is the plant 

 collected in Cajon Pass by Dr.Bigelow, in Whipple's Expedition, with 

 vestiges of fruit only, which I unfortunately, but very doubtfully, re- 

 ferred to P. Lewisii. 



§ 3. (Ambigui.) Suffruticosus, foliis coriaceis, inflorescentia panicu- 

 lata. Corolla miniata, speciosa, superne ampliata, labiis brevi- 

 bus, superiore suberecto, inferiore tripartito reflexo. Antherae 

 glabrae, reniformes, effoetge propter rimam leviter incorapletam 

 (nempe imam basim loculorum non attingentam) baud explanatae. 



8. P. BACCHARiFOLius, Hook. Bot. Mag. t. 4627 ; Gray, in Bot. 

 Mex. Bound, p. 114. W. Texas, 439, 1479, coll. Wright. A well- 

 marked, showy species ; the anthers making a slight approach to the 

 structure in the section Saccanthera. 



§ 4. (Elmigera, Reichenb., sine char.) Herbfe, plerumque glaber- 

 rimse, foliis iutegerrimis, caulinis sessilibus lanceolatis seu lineari- 



