58 PITTONIA. 
9. O. HOLOPTERA—Eritrichium holopterum, Gray 1. c. xii. 
81, & Krynitzkia, l. c. xx. 276. 
* * Flowers thyrsoid-glomerate ; fruit pyramidal, i. e., the 4 
nutlets erect. 
+ Nutlets wing-margined. 
4. O. SETOSISSIMA.—Erilrichium & Krynitzkia, Gray ll. ce. 
+ + Nutlets acutely margined. | 
++ Corolla-tube not elongated. 
9. O. vincata.—EHritrichium virgatum, T. C. Porter, in 
Hayden, Geol. Rep. 1870, 479 ; Krynitzkia virgata, Gray l. c. 
6. O.arowERATA.—Cynoglossum glomeratum, Pursh. Fl. 
ii. 729: Myosotis, Nutt. Gen. i. 119: Rochelia, Torr. Ann. 
Lyc. N. Y. ii. 225 : Eritrichium, DC. Prod. x. 131: Krynitz- 
kia, Gray, Proc. Am. Acad. xx. 279, & Syn. Fl. Suppl. 429. 
T. O. sERICEA.—Krynitzkia sericea, Gray ll. ce. 
++++ Corolla-tube longer than the calya. 
8. O. FULVOCANESCENS.—Eritrichium fulvocanescens, Gray, 
Proc. Am. Acad. x. 91, & Syn. Fl. 197 : Krynitzkia, Gray ll. ce. 
9. O. LEUCOPHÆA.— Myosotis leucopheea, Dougl. in Hook. 
Fl ii 82: Eritrichium leucopheum, A. DC. Prod. x. 129 ; 
Gray, Syn. Fl. 197: Krynitzkia, Gray ll. ce. 
EREMOCARYA. 
Racemes dense, biserial, leafy-bracted ; pedieels filiform, 
short, and with the calyx persistent. Calyx 5-parted to the 
base, in fruit campanulate ; segments nerveless, not hispid- 
