74 University of California Publications in Botany [You 6 



paniculatis ; bracteis lanceolatis, tomentosis : involucri bracteis scariosis, 

 oblong:is, striatis, floribus foemineis apqnantibiis ; floribus hermaphro- 

 ditis longe stipitatis in speciminibus plerumqiie delapsis; achaeniis 

 oblanceolatis. 



Collected on Cerro del Boqueron. growing in moist soil. No. 6683. 

 Type, Herb. Univ. Calif., No. 172428. 



Palafoxia latifolia DC. This rare and little known plant was 

 collected by Dr. Piirpus at Picacho — San Geronimo, Oaxaca. No. 6790. 

 Univ. Calif. Herb., No. 172473. 



Tragoceros flavicomum DC. The specimens do not exactly agree 

 with the short description of this species in DC. Prodomiis, bnt the 

 callous rugosity, ribs of the achenes and other characters are so 

 variable even on the same plant that they may represent a form of the 

 species. No. 6676. Univ. Calif. Herb., No. 172263. 



Viguiera gracillitna sp. 



nov 



Ramosa 3-5 dm. alta : caulibus parum strigoso-pilosis : foliis sepius 

 alternis, ovato-acuminatis. margine serratis, e basi euneata trinervatis, 

 supra seabridis simul paululum strigoso-pilosis, subtus strigo.so-pilosis; 

 laminis usque ad 3 cm. longis, 1.5 cm. latis; potiolis ca. 7 mm. longis: 

 peduneulis 2-4 cm. longis multos ramos terminantibus, axillaribusque : 

 capitulis ca. 7 mm. altis, 15-20-floris : involucri campanulati squamis 

 lineari-lanceolatis appresse pilosis : radii floribus neutris ; ligulis flavis : 

 achaeniis maturis turgidis, dense sericeo-villosis ; pappi aristis 2. 

 inaequalibus. quam achaeniis longioribus cum scjuamis laceratis inter- 

 mediis. 



A species bearing many flowers on numerous small l)ranchps. 

 Collected at Picacho — San Geronimo, Oaxaca. No. 6675. Type, Herb. 

 Univ. Calif., No. 172254. 



Perymenium Purpusii sp. nov. 



Plus quam 4 dm. altum, superne ramosum : caulibus angulatis. 

 strigosis: foliis ovato-lanceolatis, margine serratis. basi cuneatis, supra 

 strigoso-pubescentibus, subtus praecipue ad venas pubescentibus : 

 laminis ca. 8 cm. longis, 3 cm. latis; petiolis ca. 1.5 cm. longis: capitulis 

 corymbosis caules vel ramos breves terminantibus; involucris herais- 

 phaericis. ca. 4mm. altis; s(|uamis ca. 3-seriatis, coriaeeis. late ovatis, 

 obtusis. inferioribus paululum minoribus; liguliNS aureis; achaeniis 

 glabris. 



