I24 PITTONIA. 
is a true Polemonium by its calyx and seeds; habitat from 
mountains of southern California (Tehachapi, Mrs. Curran) 
to British Columbia ; also in Chili. 
* * Root perennial ; corolla campanulate ; stamens free or 
nearly so and strongly declined. Typical species. 
+ Stem-leaves few ; inflorescence loose and open. 
2. P. REPTANS, Linn.; Lam. Ill. t. 106; Gray, Manual, ed. 5. 
371; Syn. Fl.1. c.—Middle and northern valley of the Missis- 
sippi and eastward to New York. 
3. P. PULCHELLUM, Bunge, in Ledeb. Fl. Alt. i. 233; P. 
humile, var. pulchellum, Gray, Syn. Fl. 1. c. 150.—Subalpine 
in the high mountains from Colorado to California and far 
northward. Usually 6—10 inches high, the flowers small and 
light blue. 
4. P. CARNEUM, Gray, l. c. 151.—Oak woods of central and 
northern California. A large and most beautiful species, the 
salmon-colored corollas an inch broad. 
+ + Stems leafy ; inflorescence more congested and terminal. 
5. P. FLavUuM, Greene, Bot. Gazette, vi. 217; Gray, Syn. 
Fl. Suppl. 412. — A tall species of the higher mountains of 
New Mexico and Arizona; corollas reddish yellow, very large, 
the lobes acuminate. 
6. P. ricum. Three feet high or more, slender. 
glabrous up to the inflorescence which is rather densely 
glandular-viscid : leaves ovate-oblong in outline, the segments 
lanceolate, acute, somewhat closely ranged and decurrent 
upon the rachis : inflor ymbose-congested : segments 
of the ealyx erect, lanceolate, longer than the tube : corolla 
deep purple, campanulate, 5—6 lines broad, the segments 
ovate, acute: stamens declined and ineurved, reaching little 
