WOOTON" AND STANDLEY FLOEA OF NEW MEXICO. 289 



1. Camelina microcarpa Andrzej.; DC. Syet. Veg. 2: 517. L821. 



Type locality: European. 



Range: Native of Europe, introduced in waste ground in many parts of the United 

 States. 



New Mexico: Pecos National Forest (Louis 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 1-celled, 2-valved, of various forms, sometimes long- 

 stipitate, the valves separating from the filiform placentae. 



KKV 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 I. Polanisia (p. 289). 



Stamens 6; petals "purplish or yellow; plants glabrous; 



pods long-stipitate 2. Perptoma (p. 290). 



Pods short, 1 cm. long or less, irregular (on long slender 

 stipes; flowers yellow). 

 Valves of the pods cymbiform or elongate-conic; pods 



several-seeded :;. ClEOMELLA (p. : 



Valves of the pods ellipsoid, indurate, reticulate; pod 



2-seeded 1. Wisuzenu (p. 290 . 



1. POLANISIA Raf. Clammy wj i d. 



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; lea (lets 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 L2 nun. long or less, often purplish; filaments no1 exc 1- 



ing 20 mm.; seeds rough 1. P. trachyaperma. 



Petals more than 15 mm. long, sulphur-yellow; filaments 35 to 



mi nun. long; seeds smooth 2. /'. uniglanduloaa. 



1. Polanisia trachysperma Terr. & Gray, Fl. X. Amer. 1: 669. L840 

 Type locai rnr: Texas. . 



Range: British America to Nevada, Texas, and Mi souri. 



New Mexico: Farmington; Santa IV; Zuni; Tucumcari; Sabinal; Albuquerque; 

 Perico; Pajarito Park; mesa west of Organ Mountains. Dry hills and plains, in the 

 I rpper Sonoran Zone. 



2. Polanisia uniglanduiosa < < a \ . I 11 Prodr. 1:242. 1824 



u uniglanduloaa Cav. [con. PI. 4: 3. pi. 386. I 

 TYPE LOCALITY: "Habitat in Xova-Hispania praesertim in Acapulco." 

 Range: New Mexico and western Texas, southward into Mexico. 

 Xiw Mexico: Mogollon Mountains; Burro Mountains; Man/:'- Bprings; Black 

 •■: Dog Spring; Organ Mountains; Three Rivers. Dry plains and hills, in the 

 Lower and Upper Sonoran eoni 



\. common plant of the drier mountain , the adhills of the south- 



ern part of the State li ie never very abundant in any one spot, but Lb rather 

 widely distributed. 



>78 |., _io 



