200 Mr. D. Don’s Descriptions of new Genera and Species 
tiolata, oblonga, mucronata, mucrone brevi subulato recto, 
margine integerrima v. parce denticulata, coriacea, supra 
viridia, lucida, reticulato-venosissima, venis siccitate pro- 
minulis, subtüs dense cinereo-tomentosa, fere bipollicaria, 
9 lineas v. parüm ultra lata. Flores glomerati, in thyrsum 
confertum ovatum dispositi. Pedunculi et pedicelli brevis- 
simi, dense lanati. Involucrum polyphyllum, decussatim 
imbricatum ; squamis eaterioribus ovatis, acutiusculis, con- 
cavis; interioribus oblongis, obtusis, pariter coriaceis, le- 
vissimé lanuginosis.  Flosculi 5, omninó ut in precedente. 
Anthere basi bisetz : setis basi ramulosis: appendiculá line- 
ari, acutiusculà. Stigma bilobum : lobis semiteretibus, obtu- 
sis, crassis, minute papillosis. Achenia pilosa. Pappus fusco- 
purpureus: radiis apice penicillatis, imá basi connexis. 
This species is intimately allied to the preceding; but its 
oblong, and much narrower leaves, appear to constitute a spe* 
cific distinction. 
** Floribus pappoque albis, acheniis papilloso-scabris, teretiusculis. 
3. P. reticulata, foliis sessilibus oblongo-cuneatis serrulatis gla- 
. bris, thyrso composito. laxo. 
"dene : et Mocinno 2 : 
In "Mexico: 
Frutex erectus, rigidus, ramosissimus. Rami sulcati, glabri. 
Folia sessilia, oblongo-cuneata, quandoque obovata, argute 
serrulata, coriacea, basin versus integerrima, utrinque gla- 
E bra, siccitate lutescenti-viridia, costà venisque ramosissi- 
prominulis reticulata, subtüs punctis numerosissimis 
resinosis ornata, 3 pollices longa, unciam v. sesquiunciam 
lata; rameis lineari-oblongis, mucronulatis, vix pollicaribus. 
Flores 
