CONTENTS. 
Page. 
Letter of transmittal........................ Ge eet ees aoe ees bat 
REPORT ON MEXICAN UMBELLIFERE, MOSTLY FROM THE STATE OF Oaxaca, 
RECENTLY COLLECTED BY C. G. PRINGLE AND E. W. NELSON ............. 289 
History of collections........2 02. .00c00 coc0 cece ee eeeecececcccee sce... 289 
PORN OTN ie late acetic erect ieee Paint aadeeeetan ceeacchecnmor 290 
Sierra de San Felipe 2... 0.0.00. ec cec cece cc cece cece eeeeee cece ee eek. 290 
Sierra de Clavellinas.................-.--....... Bice eas tee en oeeees 291 
Mount Zempoaltepec... 22... 00.02. coc cee ceeeee cece ccc cccec eeeeee cece 292 
NON eos cesses eee a ele ac ke el dates eaega'd oes en ta asec 292 
Ti OCS lec cas aa Sa fete Seo tai naa acns atest Ship need chee als oa feuefactnnn tte < 293 
Tlapancingo and vicinity. 2.22. ...20. 0022202 eecee cee ccceceeeceeeees 293 
TAS S008 oat, oases cache we beissakeovdelidieiue AuSes ta kae dead yeedas -- 293 
Minor stations... 2.22.20. 0002 eee cece ee cee cece cece cece cecccece 294 
Catalogue of species... 22. 2... oo cee ce cecc ene cee cece ceccee ccecceccce cece 294 
DESCRIPTIONS OF PLANTS, MOSTLY NEW, FROM MEXICO AND THE UNITED 
EUS a oes ee ye taceeniehr cts cull david eed atecn cues aaaem es 311 
Now species from Mexico... . oo. cece occ one cce cee voce eeee cece nce cee. 311 
Three Umbellifere of the Western United States............2.--...22--- 319 
Thurovia, a new genus of Composite... .......... 022.0202 e2ceeeeceeceeees 321 
Tradescantia brevifolia and T. leiandra...... 0.202. .20. 2.20 eccecececceceeee 322 
MO ase oid 5 Stan Sha daieiani eurtans setae att mwaloaias lataiease ihe $25 
ILLUSTRATIONS. Padiagoas’ 
PLATE V. Coaxana PUPPUPed 205252 se eewlads eaale ed hee 2 ocicsd bed cede ressewewts 
VI. Deanea nudicaulis. ....2. 22.002 0000 222 e cece eee eee ceececcececceeee = 
VII. Nevgoezia GROIN OS Geet iransed tat eee eee aetna daeaas 
VIII. Neogoezia minor. .... 0.022022 2 ee cove cnc n es ec eee cena cece eee ceeees 6 
IX. Neonelsonia ovata... ..-- 2.222. 0e02e cee cnn cece cece eee ee ceeeeees 
X. Osmorrhiza mexicana. .... 2.0.02 202 eee ee coc ens cece cece ee cece eeee a 
XL, Mimosa spirocarpa. .... ... 2-0. secees seccee ceecee ceeene cence ceenes 
XII. Liguatioum verticillatum. ..........22 022200 cee cee cece ee cee eee ce ence ie 
XIII. Ligusticum eastwooda.... 2... ..00. .200 cece ee cee eee cece cece ee eeee 
XIV. Velea glauca...... 22.20 .cc cece ee ee cen c ee ceee cece eee eeeeee cence ae 
XV. Thurovia triflora..... 0.000... c ce cece ee cee cee cee eee cee ce cee cee aes 
XVI. Tradescantia brevifolia. .... 2.2.0 20+2ceccee ceeeee cee eeeecee ce eceees - 
