Polemoniaceee. 
283 
16 (12). Perenn. pis, with non-flowering shoots terminated 
by rosettes; flowering stems 1-fld . . . 17 
— Ann. pis without non-flowering shoots. Stems branchy, 
many-fld (also simple and 1-fld in small pis) . 19 
17. Ls obovate, rounded-obtuse at the top, the lower of 
the same size or smaller; the caul. 3—4 pairs, 
distant or (v. rotundifolia Hopp., imbricata Schleich. 
not Frol.) all crowded-imbricate.—Alp. and high Alp. 7 
bavarica L. 1526. 
— Ls lanceolate, elliptic or almost orbicular, gen. acute, 
the lower larger; the caul. 1—2 pairs. Type of G. verna IS 
18. Ls elliptic or elliptic-lanceolate, acute.—b . angulosa Biel. 
(sestiva Koch). FIs larger. Angles of the cal. more broadly 
winged. —Meadows and pasturages up to the Alp.; b. Alp. 
and subalp. 4—8.verna L. 1527. 
— Ls round-oval, rather obtuse or short-acute, softer than 
in the last, rather thick, of a yellowish green after 
drying. Cor.-tube slenderer than in the last.—High Alp. 7 
brachyphylla Frol. 1528. 
19 (16). Cal. inflated, broadly winged at the angles (wings 
about as broad as half the diameter of the cal. tube). 
• —Marshy meadows, but not everywhere and rarer in 
eastern Switz. (wanting in Geneva, Neuchatel, Soloth., 
Bale, A.). 6.utriculosa L. 1529. 
— Cal. cylindric, with angles only keeled. —Alp. and the 
highest points of the Jura. 7 . . nivalis L. 1530. 
OBS. Hybrids : G. lutea-punctala (Cbarpentieri Thom.); G. lutea-purpurea 
(Thomasii Gill., rubra Clairv.); G. punctata-parpurea (spuria Leb., Gau- 
diniana Thom.). 
389. Erythraea. Erythraea. V, 45. 
1. Lower ls in a rosette. Stem 15—30 rm, branchy only in 
the upper part. FIs fascicled, forming a corymb. — Wood 
clearings; everywhere. 7 . Centaurium Pers. 1531. 
— Lower ls not in a rosette. Stem 3—15 cm, gen. very 
branchy from the base, or at least from the middle, 
forming a lax corymb with distant fls. Dwarf pis have 
sometimes a simple, 1-fld stem. —Damp pasturages, ditches, 
road-sides; distrib. 6 pulchella L. 1532. 
72. Polemoniacese. 
390. Polemonium. Jacob’s ladder. V, 43. 
1. Ls imparipinnate; leaflets numerous, lanceolate, entire. 
Fls blue, rarely white. P. rhmticum Thom. (Leaflets more 
distinctly nerved underneath.) — Wooded places; damp 
meadows; G. W. Y. Jura of Neuch&tel and Bern; also 
cultivated as an ornamental pi. 5- COeruleum L. 1533 
