Bulletin University of New Mexico—No. 49 
1-4 to 2-5 in. long. Sandia Mts. Bear Canon and 
Hodgotite. May 1908. 
POLEMONIUM, Tourn. Greek Valerian. 
Jacob’s Ladder Harebell. 
Inflorescence racemiform or corymbose (in ours) co- 
rolla blue, showy, from funnelform to nearly rotate; 
stamens equally inserted; leaves all alternate, pin- 
nately compound. 
P. FOLIOSISsIMUM, Gray. Very viscid-pubescent 
thruout and strongly scented; stem very leafy thru- 
out, 1 foot or more high; leaflets from lanceolate to 
ovate-lanceolate; corolla white, cream-color or violet, 
twice the length of the calyx; style and stamens not 
protruding. Bear Canon. Spruce-acre-Robina Asso- 
ciation. 
18. CONVOLVULACEAE. (convotyuttus Fam.) 
Chiefly twining or trailing herbs, with alternate 
leaves or scales; 2 (rarely 3) celled ovary with a pair 
of erect ovules in each cell, and fruit a globular 2 to 6- 
seeded pod. 
Green leafy plants. 
style single, stigmas B - CONVOLVULUS. 
Style s, each s-cleft; stigmas line ar-filiform, not 
twining, - - - - EVOLVULUS. 
Leafless parasitic twining herbs, never green, CUSTUTA. 
CONVOLVULUS, Tourn. (Bindweed.) 
Herbs, twining or prostrate, with funnelform or 
companulate corolla, included stamlens, style undivided 
or 2-cleft only at the apex. 
C. mvcanus, Vahl. Pubescent, stems filiform, 1 to 2 
in. long, mainly procumbent; leaves from lanceolate 
to hastata or linear-sagitate, 1 to 2 in. long, 1-8 to 1-4 
in. wide, some pedate or 3-5 parted; peduncles 1 to 2- 
flowered, as long as the leaf; sepals 1-4 in. long; corol- 
la white or tinged with rose, 1-2 in. long. Tijeras 
Canon. 
EVOLVULUS, ZL. 
Low and small, usually diffuse herbs with 5 
sepals, naked at base, open funnelform or al- 
most rotate corolla; 2-celled, 4-seeded pod. In 
ours the peduncles or pedicles are bibracteolate at base, 
solitary and 1-flowered, usually very short. 
Corolla white or pale blue, 1-4 to 1-3 in. high or 
more : - - - E. SERICEUS. 
Corolla purple, 1-4 in. long, -  &. ARGENTEUS. 
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