54 Muhlenbergia, Volume 3 — 
mens equaling the petals, anthers white, ovoid, foveola nectari- 
ali munitis, style lobed at the apex, longer than the stamens, 
glabrous, ovary pyriform, very smooth; fruit unknown.—West- 
ern North America; northern California (Sierra Nevada and 
Siskiyou mountains), altitude 2200-2500 m.—(Hall & Babcock, 
no. 4370, 5533, in our herbarium). 
“Plant similar to R. viscosissimnm, but well distinguished 
by the color of the flower and the glabrous ovary. Is it a dis- 
tinct species?” 
NOTE ON A TRADESCANTIA.—7vadescantia universitatis. 
Tall, up to about 4 dm., robust, the stems 7 to 8mm. in diam- 
eter toward the base: entirely smooth, except that the sepals 
have on the middle of the outer face a number of erect gland- 
hairs in specimens growing in drier ground, but in specimens 
from damp ground these are almost or quite absent: the pedicels 
may have a few gland-hairs, but never enough to attract notice: 
pale glaucous green, the leaves large and broad, the lower ones 
up to about 3.5 dm. long, 14 mm. broad at base, the basal 22mm. 
forming a closed sheath: flowers up to about 35 mm. across, deep 
brilliant purple, the anthers bright yellow or orange: sepals 
about 14 mm. long, with no sign of a hairy apical tuft. Boul- 
der, Colorado, June 2, 1906. Type locality the campus of the 
University of Colorado. In the table of 7radescantia given by 
Bush this comes in as follows: 
Stems tall, robust, little branched 
Sepals glabrous, with a tuft of villous hairs 
at apex (east of the plains) reflexa 
Sepals variably glandular-pilose, with no 
tuft of villous hairs (west of the plains) universitatts 
Stems slender, much branched 
Sepals smooth (New Mexico) scopulorum 
It may be that all three are geographical races of one spe- 
cies, but intermediates do not seem to have been collected. The 
species 7: wnzversitatis was first indicated in Nature, page 7, 
November 1, 1906.—T. D. A. COCKERELL. 
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