il 
43 miles below Theodore Utah to Chepeta Well and White 
Kiver near the Colorado line at about 5U000° ait. aioe Tem- 
perate life zone. 
Philadelphus argyrocalyx. Wooton. T iis’ seems to ae the 
same as P. Mexicanus Schlecht. P. serpyllifolius ray is only 
a variety of it. I have material from Hillsboro peak New Mex. 
and Coljonia Juarez Mexico. It is characterized by the pods 
shorter than the hoary calyx. P. microphyllus se the calyx 
white when young, and varies considerably, N n having 
» made a species out of the Utah forms from my ectekt tion. 
| Cogsw ellia rigida n. Sp. This is a Cymopterus Panamin- 
- tensis in. everything but the fruit, and another very interesting 
link be ag these closely rela ted genera. Itis very anomalous 
as i 0 fase opulorum which connects the anisatus group 
with Cone. Densely cxspitose from a thick, branched 
and woody root covered with old coarse and ribbed leaf- 
sheaths, acaulescent. Leaves suits but the ee pair of 
divisions elongated so as to seem ternate, 4-67 | ; segments 
broadly ovate, deeply and unequaily 35 lobed ee, then again 
-2-3-toothed with coarse and tria angular and rigid acerose leetle 
; kis 6-9" tee with cuneate hase, hadtie with 3 -5 ee 
‘the wings about as wide as the narrowly elliptical body, nar- 
ow at tip, thin, face with filiform and slightly raised ribs and 
ormally 3 oil tubes in the intervals, chmmissure with 2 strong 
Foil tubes on each side and 1-2 others usually reaching half way. 
‘Near Big Pine, Inyo Co. California at 4000° ae May 30 1906, 
aNo. (ees oe and Chandler. Tropical life zo 
dleri n. sp. Root facode and with a 
tender foot. Sieins slender, apparently single, erect, branch- 
ing close to the ground and ‘with several short internodes anc 
ith a peduncle mostly at each node except oa first. Leaves 
bipinnate, triangular-ovate in outline, 3-4’ long exclusive of 
the petiole; lowest pair of pinne short-stalked, the others 
Sessile; pinnules divided nearly to the base into several pairs 
