CONTRIBUTIONS TO WESTERN BOTANY 69 
hairs on nerves and margins, 1-2 inches long, almost sessile. Stems 
channeled and incimed to be pubesceut in lines. Pods ovate, 
eeply 4-angled and d-celied, 4 mi, long, splitiing to base at 
maturity. Seeds 2-3in each cell. black when ripe, ee flattened 
coarsely ruguse at least sround tue margins, shining, 1.5 mm.’ 
wide. This is outside the generic limits but ssiot go elsewhere. 
Manifestly allied to M. anuua L. but cells bt ss when open, 
and not blunt and hairy as in annua, and the s have the few 
pits very wide and not pavement-like as in. sowie 
Caphesa.Since printing page &0 I incline to ae up rid a 
on page ue and so my C. Watsuni becomes Parsonsia Watso 
Vernonia camporum n. sp. No, 27696. On abaya 
at Orandathi Jalisco, Nov, 27 1930, growing with Cacalia, ete, 
Strict and tnfted herbs, 2-3 ft. high, with simple stems, drying 
black, 3 small, 4-6 mm. long and 4mm. wide. The pap- 
pus slighily’ twats § 2-3 mm. long, ‘bracts fetes black tips, narrowly 
oblong, a little floccose and the outer ones acerose-tip 
kenes tapering from the truncate tip, oa about 9-ribbed, Leaves 
nearly sessile, lanceolate, leathery, 3 inches long by 1-2 em. wide 
more evenly low- serrate, roughened on the margins fia punctate, 
ascending, many, } 
Vernonia viarum n. sp. No. 288 of 1892 from Chi- 
guilistlan Jalisco May 30. Erroneously identified by B. L. Rob- 
insonas V. Deppeana. A shrub with rather compact and cone- 
like panicles of many heads on short and divaricate pedicels, 
Whole plant rough ad grayish with minute pubescence. Leaves 
elliptical- ‘lanceolate, and shortly acuminate, abont 3 inches long by 
1 wide, nearly sessile on a stout petiole aud rounded to truncate 
below: Heads nearly globose, about $ inch long. greenish, the 
bracts flat, oval, acutish, somewhat lacerate on the margins, abou 
4 ranked and successively shorter and a litle shorter than ths 
white pappus 
ernonia floccesa n. sp. No. 27700, La Barranea, 
Guadalajara. Nov. 23.1930. Plants tall, ‘eck rigid, with striate- 
angled stems, 46 ft. high, corymbosely branched above. Stems 
smooth below, the upper floccose. Upperside of leaves and the 
heads densely white-woolly. Leaves lanceolate, leathery, venose, 
corrugated, about sessile, 2-3 inches long, sharply low-serrate. 
Ocasionally sessile, in small clusters at‘the end of the long common 
peduncle (4-6 inches long), which is leafy bracted at tip. Heads 
henisp derical, 1 cm long,with closely appressed, oval-ovate, apieu- 
late bracts buried in wool, the longest abont as long as the pappus 
which is composed of many flat and{filiform parts enlarging gait 
and witha agp: sui of similar and acute ones 2- 
ng. Akenes dencely setose-pubescent and very short. The 
plants clouely Poscnseth ¥; Tse paldlans. Growing on prairies, 
