NKOPIIYTON. ^M 



tost, scouleri Lind. bot. reg. 1277. Suffruti 

 cose, leaves cuneate serrate, upper linear o .' 

 tuse entire, flowers subracemose secund— Or 

 gon large purple flowers. Akin to Dasanthe- 

 ra fruticosa 397. ^^^dnuie- 



411. Apentostera triflora Raf. Chelone' 

 nemorosa Lind. bot. reg. 1211. Horbaceous, 

 leaves ovate acum. serrate, upper amplex. cor- 

 date peduncles axiHary triflore-Origon, quite 

 snmlar to the last in the structure of fl;wers! 

 yet put into a different Genus by Lindlev ' 



412 LEPTEIRIS Raf, (.^.inute sterile) 

 cahx 5parted, corolla tubulose incurved beard- 

 ed mside Jinib 51obed siibequal. A minute ru- 

 diment of a fifth sterile stamen. Leaves oppos 

 narrow, flowers glomerate terticiUaie w/iUish 

 —another and nearer link to Pentostemon, dis- 

 tinct from It by corolla and habit quite pecu- 

 liar : akin to Russelia and Pagesia. 



413. Lepteiris parviflora Raf. Pentoste- 

 mon micranthum Nut. cat. 83. Smooth, leaves 

 linear lanceol. acute entire subamplex. flowers 

 spicate paniculate glomerate in whorls, seg- 

 ments of calix lanceolate— Origon, stem slen- 

 der pedal, seen dry, collected by Wyeth. 



I must end here this long survey of the Gen- 

 era akin to Gerardia, without attempting yet 

 all those akin to Pentostemon. They are fur- 

 ther removed from Digitalis to which Nuttal 

 compared them. Thus we have already 12 Gen- 

 era and 40 sp. of plants akin to Gerardia or once 

 added thereto, many of which are quite rare 

 plants seldom seen by our botanists ; some are 

 beautiful and yet hardly known in Gardens. 

 There must be others in the Missouri and Ori- 

 gon regions. It is a fact that in this tribe the 

 colors of flowers indicate Genera ! I have not 



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