WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 289 
1. Camelina microcarpa Andrzej.; DC. Syst. Veg. 2: 517. 1821. 
TYPE LocaLity: European. 
Rance: Native of Europe, introduced in waste ground in many parts of the United 
States. 
New Mexico: Pecos National Forest (Lowis Rudolph). 
57. CAPPARIDACEAE. Caper Family. 
Annuals, 1 meter high or less, with watery juice usually of an unpleasant odor; 
leaves palmately trifoliolate; flowers rather large, in terminal crowded racemes; 
sepals 4; petals 4, entire or emarginate; stamens 6 or more, not tetradynamous, 
mostly long-exserted; fruit 1l-celled, 2-valved, of various forms, sometimes long- 
stipitate, the valves separating from the filiform placente. 
KEY TO THE GENERA. 
Pods large, 3 to 7 cm. long, terete. 
Stamens 12 to 24; petals dull white; plants mostly 
clammy; pods sessile or short-stipitate.......... 1. PoLantsta (p. 289). 
Stamens 6; petals purplish or yellow; plants glabrous; 
pods long-stipitate...............0..2 eee ee eee 2. Perrroma (p. 290). 
Pods short, | cm. long or less, irregular (on long slender 
stipes; flowers yellow). 
Valves of the pods cymbiform or elongate-conic; pods 
several-seeded..............0.0.02 eee eee ee eees 3, CLEOMELLA (p. 290). 
Valves of the pods ellipsoid, indurate, reticulate; pods 
2-seeded..... cece eee eee cece eee eee eee eens 4. WISLIZENIA (p. 290). 
1. POLANISIA Raf. Criammy WEED. 
Coarse branching clammy viscid-pubescent herbs, 40 to 70 cm. high, with trifolio- 
late leaves and terminal crowded racemes of dull whitish flowers; stamens long- 
exserted, purplish; leaflets elliptic-obovate, entire, obtuse; inflorescence with crowded 
unifoliolate leaflike bracts; fruit 10 cm. long or less, terete, with numerous large seeds. 
KEY TO THE SPECIES. 
Petals 12 mm. long or less, often purplish; filaments not exceed- 
ing 20 mm.; seeds rough..........-.....---2----+---20-5 1. P. trachysperma. 
Petals more than 15 mm. long, sulphur-yellow; filaments 35 to 
50 mm. long; seeds smooth..................2-.-2------ 2. P. uniglandulosa. 
1. Polanisia trachysperma Torr. & Gray, Fl. N. Amer. 1: 669. 1840. 
TypE Locality: Texas. 
Rance: British America to Nevada, Texas, and Missouri. 
New Mexico: Farmington; Santa Fe; Zuni; Tucumcari; Sabinal; Albuquerque; 
Perico; Pajarito Park; mesa west of Organ Mountains. Dry hills and plains, in the 
Upper Sonoran Zone. 
2. Polanisia uniglanduiosa (Cav.) DC. Prodr. 1: 242. 1824. 
Cleome uniglandulosa Cav. Icon. Pl. 4: 3. pl. 386. 1797. 
Type tocauity: ‘‘Habitat in Nova-Hispania praesertim in Acapulco.”’ 
Rance: New Mexico and western Texas, southward into Mexico. 
New Mexico: Mogollon Mountains; Burro Mountains; Mangas Springs; Black 
Range; Dog Spring; Organ Mountains; Three Rivers. Dry plains and hills, in the 
Lower and Upper Sonoran zones. 
A common plant of the drier mountains, the arroyos, and the sandhills of the south- 
ern part of the State. It is never very abundant in any one spot, but is rather 
widely distributed. 
52576°—15 19 
Pa 
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