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3. POLANISIA Raf. 
Fetid annuals with glandular or clammy hairs, petioled mostly 3- 
foliolate leaves with lanceolate leaflets, rose-colored or white flowers in 
leafy-bracted racemes, 8 to 32 Stamens, and elongated many-seeded 
pods erect on spreading pedicels. 
1, P. trachysperma Torr. & Gray. Erect, 1.5 to 6 dm. high: leaflets 1 to 5 em. 
long, acute, about equaling the petioles: petals 6 to 10 mm. long: stamens 12 to 
16: style 4 to 8 mm. long: pod 2.5 to 6.2 em. long, very rarely on a short slender 
stipe: seeds finely pitted and often warty.—In sandy soil, apparently common 
throughout the State. 
*. P. uniglandulosa DC. Very near the last, but differs in its much larger flowers, 
greatly elongated style, larger pods upon a stout terete stipe, and smooth seeds.—A 
Mexican and New Mexican species, but reported on the hills near El Paso. 
4. WISLIZENIA Engelm. 
Smooth erect branching annuals, with (in ours) 3-foliolate leaves, 
yellow racemose flowers, 6 stamens, elongated style, and didymous 
pods with nutlike nerved or reticulated cells. 
1. W. refracta Engelm. Widely branching, 3 to 6 dm. high: leaflets oblanceo- 
late 10 obovate, 10 to 18 mm. long: flowers in dense racemes: petals 2 mm. long: 
stamens and ovary exserted: fruit 3mm. broad or more, the divergent obovate retic- 
ulated valves separated by a perforated partition: stipe 4 to 6 mm. long, strongly 
refracted upon the rather longer pedicel.—Alluvial soils near El Paso. 
RESEDACEH. (MIGNONETTE FAMILY.) 
Herbs, with alternate leaves, glands for stipules, terminal bracteate 
racemes or spikes of small flowers, which are irregular and unsymmetri- 
cal, stamens not covered in bud, and a 1-celled 3 to 6-beaked pod.—An 
Old World family, containing the well-known ‘“‘dyer’s weed ” or “ weld” 
(Reseda Luteola L.), and the common “sweet mignonette” (R. odorata 
L.). Our only genus is 
1. OLIGOMERIS Cambess. 
Low branching herbs, with numerous linear entire leaves, small white 
flowers in terminal spikes, 4 lateral sepals, 2 entire or lobed petals, 3 to 
8 stamens, and a 4-angled 4-beaked pod opening at the summit. 
1. O. subulata Boiss. Annual, glabrous, 12.5 to 25 em. high, branching from the 
root: leaves somewhat succulent, often fascicled, 12 to 25 mm. long: pods in long 
loose spikes, depressed globose, about 3 mm. in diameter.—Common along the Rio 
Grande. 
CISTINER. (RocK-RoOsE FAMILY.) 
Low shrubs or herbs, with simple and mostly entire opposite or alter- 
nate leaves, regular flowers, 5 unequal sepals, 3 or 5 petals, distinct and 
mostly indefinite stamens, and a 1-celled 3 to 5-valved pod. 
1, Helianthemum. Petals 5, fugacious (or none): stigma nearly sessile: stamens 
and ovules numerous in the petal-bearing flowers. 
2. Lechea. Petals 3, persistent: stamens 3 to 12: style none: pod partly 3-celled, 
few-seeded. 
