22 ERYTHEA. 



now to add another species, I give below, at the suggestion of 

 Mr. Willis Jepson, a very brief synopsis of the species, but 

 leaving out the varieties and forms. The sequence of the 

 species is nearly the same as in the paper mentioned, but 

 subdivision is here carried a step further. 



Plecteitis (Lindl.) DC. 



Fruit winged or wingless, its ventral face broader than, or 

 equal to one of the lateral faces, but narrower than the other; 

 wings incurved below, less incurved or nearly erect or spread- 

 ing above. Cotyledons parallel to the broadest of the lateral 

 faces, with indistinct or invisible lateral veins when expanded. 



*Corolla 4-7 mm. long, rose-color or pale, rarely white ; 

 upper lip erect ; lower lip spreading. 



-i— Fruit winged. 



P. congesta DC. Wings broad, meeting at base, wide 

 apart above. — Lower Columbia River. 



P. micropiera Suksdorf. Wings very narrow, not meeting 

 at base. — Lower Columbia River. 



-\ t— Fruit wingless. 



P. major (F. & M.) Hock. — California (to Washington?). 

 * * Corolla 1.5 — 3 mm. long, very pale or white; upper 

 lip spreading nearly like the lower one. 



+- Fruit wingless; corolla spurred. 



P. samolifolia (DC.) Hock. — Chile; Klickitat Co., 

 Washington. 



-i !— Fruit winged ; corolla spurred. 



P. aphanoptera (Gray) Suksdorf. Wings very narrow, 

 not meeting at base. — Klickitat Co., Washington. 



P. involuta Suksdorf. Wings broad, strongly incurved 



below, open above ; spur 1 mm. long. — Bingen, Washington. 



P. brachystemon F. & M. Not well known. Said to be 



