1132 
PENTSTEMON diffisum. 
Spreading Pentstemon. 
— 
DIDYNAMIA ANGIOSPERMIA. 
Nat. ord. ScROPHULARINEX. 
PENTSTEMON. Supra, vol. 13. fol. 1121. 
P. diffusum ; caule ramoso, foliis ovato-oblongis glabris inaqualiter serratis, 
pedunculis axillaribus multifloris, calycibus turbinatis : laciniis laceris aristatis. 
Douglas Journal ined. 
Radix perennis, repens. Caules decumbentes, radicantes, ramosi, 14-2- 
pedales, teretes, glabriusculi, purpurei. Folia sempervirentia, ovato-oblonga, 
inequaliter serrata, glabra,-atroviridia ; superiora serrata, inferiora in 
petiolum decurrentia. Pedunculi axillares, pubescentes, sepius foliis bre- 
viores, apice multiflori. Bracter pubescentes, ovato-acuminate, integra. 
Calyx turbinatus, pubescens, laciniis patentibus, margine argute laceris, apice 
aristatis. Corolla purpurea, unciam longa, glabra, labio superiore retuso, 
inferiore trifido, laciniis rotundatis. Filamentum quintum sterile, tubi longi- 
tudine, barbatum. Capsula ovata, leviter pubescens. 
A beautiful hardy perennial, with evergreen leaves, and 
decumbent, rooting stems, by which it is readily increased. 
Native of open grounds and banks of streams in the districts 
around the mouth of the Columbia River, where it was found 
abundantly by Mr. Douglas. Our drawing was made at the 
Garden of the Horticultural Society in 1827. 
Grows freely either incommon light garden soil or in the 
American borders, in both which situations it flowers in the 
utmost profusion from June till its growth is arrested. by frost. 
Root perennial, creeping. Stems decumbent, rooting, 
branched, 14 to 2 feet high, round, smoothish, purple. 
Leaves evergreen, oyate-oblong, unequally serrated, smooth, 
deep green; the upper serrated, the lower decurrent on the 
petiole. Peduncles axillary, pubescent, generally shorter 
than the leayes, many-flowered at the apex, Bractee pube- 
t 
