( 3645 ) 
PENTSTEMON DIFFUSUS. SPREADING 
PENTSTEMON. 
KEKE EEK EKER ERK EKER EE 
Class and Order. 
DipynamiA ANGIOSPERMIA. 
( Nat. Ord.—ScropuutarineEx. ) 
Generic Character. 
Calyx 5-partitus. Corolla bilabiata, ventricosa. Rudi- 
mentum filamenti quinti superne barbatum. Capsula bilo-— 
cularis. i 
Specific Character and Synonyms. 
PeENTsTEMON diffusus ; ramosus diffusus, foliis inferioribus 
lato-ovatis petiolatis superioribus sensim minoribus 
sessilibus acuminatis omnibus grosse inzqualiter serra- 
tis, panicula foliosa, laciniis calycinis tubo corolle 
3-plo brevioribus lanceolatis serratis. 
Pentstemon diffusus. Dougl. Journ. ined. Lindl. Bot. 
Reg. t. 1132. Hook. Fl. Bor. Am. v. 2. p. 95. 
A very handsome species, of a beautiful, and now, thanks 
to the labours of its discoverer, extensive Genus. Noa 
less than twenty-three are enumerated as inhabiting the 
British Possessions in North America, of which seventeen 
were new discoveries of Mr. Doveras. His success was 
almost equally great in California, and others, and very 
splendid species indeed, are found to inhabit the warmer 
parts of the United States and Mexico. The present is a 
native of the mouth of the Columbia River, and was intro- 
duced by the Horticultural Society in 1827. It flowers 
through the summer and autumnal months. 
Descr. A hardy herbaceous plant, with perennial root. 
Stems spreading, two and even three feet high, glabrous, as 
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