PIPER—FLORA OF THE STATE OF WASHINGTON. 473 
Racemes bracteate; corolla funnelform; 
roots thick........-.-..-.--------- Li THosPERMUM (p. 486). 
Nutlets erect or oblique, attached above the 
base, a more or less prominent fruiting 
receptacle (gynobase). 
Corolla yellow or orange, with naked 
open throat...........--.-------.- AMmsINncKIA (p. 480). 
Corolla white or blue with throat more 
or less fornicate—that is, bearing 
prominent swellings. 
Nutlets very flat and thin, attached 
above the middle, the margins 
spinulose.........------------ PrcrocaRYA (p. 482). 
Nutlets thick, attached at or below 
the middle. 
Perennials. 
Corolla blue; nutlets ob- 
lique, the dorsal surface 
with an acute, entire or 
spiny margin. ....-..- ERITRICHIUM (p. 480). 
Corolla white or whitish; 
nutlets ovate-trigonous. OrEocarRya (p. 481). 
Annuals. 
Calyx cireumscissile. .... - Prproca.yx (p. 481). 
Calyx not circumscissile. 
Gynobase — elongate, 
the nutlets attached 
by one-third their 
length or more. ... CRYPTANTHE (p. 483). 
Gynobase low. 
Nutlets oblique 
or incurved, at- 
tached about 
the middle by 
a caruncle-like 
process; leaves 
all alternate... PLaGroBoruRys (p. 482). 
Nutlets attached 
just inside the 
base; lower 
leaves opposite ALLOCARYA (p. 485). 
HELIOTROPIUM. 
1. Heliotropium curassavicum L. Sp. Pl. 1: 130. 1753. 
? Heliotropium chenopodioides Willd. Enum. Hort. Berol. 175, 1809. 
Type cocauity: “In Americae calidioris maritimis.” 
Rance: Washington to Virginia and southward. 
SPECIMENS EXAMINED: Junction Crab and Wilson creeks, Sandberg & Leiberg 339; Walla 
Walla, Lyall, June, 1860; Waitsburg, Horner 379; without locality, Vasey in 1889; Wallula, 
Cotton 10744. 
ZONAL DISTRIBUTION: Upper Sonoran. 
