16 ROBINSON. 

sum, indumento brunneo vel fuscescenti patente gland TUS 
caule (basi ignota) tereti 6 mm. crasso folioso medulloso; foliis oppo- 
sitis — ovatis cordatis (sinu angusto) acutiusculis ca. 1 dm. 
longis 4~7 cm. latis supra atroviridibus conspicuiter 
puberulis eikins reticulatis sordido-tomentellis margine lariter 
dentatis, dentibus 1.5 mm. altis 3-4 mm. latis; petiolo 24 = D 
dense piloso, pilis articulatis; corymbis terminalibus breviter peduneu- 
latis —_— 6-7 cm. diametro planiusculis vel modice convexis; capit- ; 
ulis ca. 22-floris 1.5 em. longis 6 mm. crassis; involuecri eampanulato- 
sabevlindaics squamis subtriseriatis ca. 21 ovatis acutis straminer- 
viridibus costulato-striatulis dorso pubentibus, receptaculo plano; 
corollis graciliter tubulosis 5 mm. longis glabris paullulo a 
ampliatis; dentibus limbi 5 nabeaiaiae anguste deltoideis; achaenl 
graciliter prismaticis 4 mm. longis; pappi setis ca. 45 ‘stramineo- 
albidis firmiusculo-capillaribus vix scabratis— PERU: Provinee of 
Chachapoyas, Mathews (type, Gr.). The specimen at the Gray 
Herbarium bears no number, but an exact duplicate i in the i ed 
barium is marked “Mathews 1836. 91. 
Though unusual to name plants for persons in no way 
with their discovery or inv estigation, the writer desires be: — 
in the present interesting and attractive Peruvian epee pe i gr 
of the extraordinary man, Pedro de la Gasca (born , and by 
styled by Charles V. the “President of the Royal Audience” hom it may 
the people of Peru “Father and Deliverer,” concert as theme 
be said that he was the first Caucasian to reach Peru of W 
has any reason to be proud. fruti osu 
E. s Eximbricata) G Gilbertii, spec. nov., perenne vel 2 ae 
gracile glabriusculum; caule pallido-stramineo tereti ch © 
er flexuoso maturitate glaberrimo juventate sparse: 
villosulo; foliis Oppositis OV atis acutis vel leviter ~ 










ongo supra canaliculato puberulo; corymbis compositis c 
sublaxis obscure villosulis basi foliaceo-bracteatis; <5 0 
formibus 4-10 mm. longis bracteolatis; capitulis pa amis C8 te 
altis et diametro ea. 26-floris; involueri campan “i eT ae 
costulatis et 3-veniis margine tenuibus s 
ciliatis dorso laxe pubescentibus (pilis tenuissimis fuscls 
, 
