Bulletin University of New Mexico—No. 49 
P.unieLanpuLosa, De. Peetals an inch long; long 
style, and smooth seeds. 
46. CRUCIFERAE. (Musrarp Famrity.) 
Herbs with pungent watery juice, alternate leaves 
without stipules, flowers mostly bractless, in terminal 
racemes or corymbs, 4 sepals and petals, and a long 
or short pod. The mature pod must be obtained in 
order to identify a plant. 
#1. Pop 2-cELLED, DEHISCENT BY 2 VALVES. 
*Pod terete, turgid or 4-angled. 
Pod long-linear (1 to 4 in.) seeds in 1 row. 
Valves 1-nerved, flowers white or rose-color, 
- - - - - (1) THELYPopIUM. 
Valves 2-nerved, flowers yellow, in ours, 
te - . - (2) sYSYMBRIUM. 
Pod oblong-cylindrical to globose, nerveless, seeds 
in 2 rows. 
Pod oblong or short-linear, (3) NAsTURTIUM. 
Pod globose, - - (4) LESQUERELLA. 
**Pod flattened parallel to the broad partition. 
Pod short, valves nerveless or faintly 1-nerved, 
sige - - - - - (5) DRABA. 
Pod elongated, 1-nerved, - - (6) ARaBIs. 
***Pod more or less flattened contrary to the narrow 
- partition, flowers white. 
Pod many-seeded,_ - - - (7) CAPSELLA. 
Cells of pod 1 or 2-seeded, - (8) LEPIDIUM. 
#11. Pod of 2 indehiscent cells, separating at maturity 
from the persistent avis, - - (9) BISCUTELLA. 
TueEtypopium, Endl, 
Stout and coarse biennials with white or rose- 
colored flowers ; sagittate, curved anthers; ours are glab- 
rous or nearly so. 
Leaves all e ntire, - -  , LINEARFOLIUM. 
Leaves all pinnatifid, - - T. WRIGHTII. 
T.LrinEaRiFotium, Watson. 1 foot high or more; 
leaves linear, the lowest lanceolate, acutish, sessile, 1 
1-2 to 2 inches long. Flowers showy, 1-2 inch or less 
long, rose-purple; ‘pods erect, very slender, 2 inches 
long. Barrel Spring branch of Bear Canon. 
T. wrieutu, Gray. 2 to 3 feet high; leaves broadly 
lanceolate, repand-toothed ; pod becoming two or three 
inches long, with a very short stipe. Sandia Mts., es- 
pecially on the tops Rim}Rock. 
(73) 
