360 COMPOSIT.E. Tagetes. 



much shorter than the akene, of 1 to 3 subulate and one or two shorter truncate paleae. — 

 Proc. Am. Acad. xix. 40, 42. — S. Arizona, in the Huachuca Mountains, Leinmon. 

 T. micrantlia, Cav. Slender, diffusely much branched, Anise-scented, a span to a foot 

 hif'li from an annual root, with loosely paniculate slender-peduncled heads; leaves linear- 

 filiform, 3-5-parted, or some of the lowest undivided, not serrate : involucre fusiform, about 

 half-inch long, few-flowered ; rays 1 to 3, the oval pale yellow or white ligules only a line 

 long : akenes slender, glabrate, longer than the pappus of 2 oval or truncate thin palete and 

 2 longer awns. — Ic. iv. 31, t. 352 ; DC. Prodr. v. 646 ; Gray, PI. Wright, ii. 93. — Dry ground. 

 New Mexico and Arizona, Wright, liothrock, &c. (Mex.) 



169. PECTIS, L. (rieKTeo), to comb, the leuves of most species of the 

 genus pectinately setiferoits. It is an ancient Latin name of some plant, appro- 

 priated to this genus by Linnaaus.) — Herbs, all American, mostly low and spread- 

 ing, usually glabrous, heavy-scented ; with narrow opposite leaves conspicuously 

 dotted with round oil-glands ; and with mediocre or small heads of yellow flowers, 

 occasionally turning purplish, slender rigid bristles fringing at least the base of 

 the leaves, or rarely quite wanting. 



§ 1. EuPECTis. Pappus of a few paleoe or slender awns with or without a 

 dilated or chaffy base, or in some (and occasionally in all) of the akenes reduced 

 to a paleaceous crown, or to a few squamellte, or obsolete : base of the leaves 

 copiously setiferous. — Gray, Proc. Am. Acad. xix. 44. Pedis § Pectidopsis & 

 Eupectis, Gray, PI. Wright, i. 83. Pectidopsis, Pectis (excl. spec), and part of 

 Lorentea, DC. Prodr. v. 98-101. 



* Pappus paleaceous, conspicuous: the paleae (in ours 4 or 5 or 6 in the disk, 2 or 3 in the ray) 

 mostly prolonged into awns or subulate points: bracts of involucre 4 to G, broad or broadish: 

 ours annuals. 



P. prostrata, Cav. Procumbent or prostate : leaves oblanceolate or .spatulate-linear (sel- 

 dom incli long) : heads sessile or nearly so : disk-flowers 5 or 6 : paleae of the pappus ovate- 

 lanceolate or narrower, thin, often unequal, short-awned. — Ic. t. 324 ; DC. Prodr. v. 100; 

 Gray, PI. Wright, i. 83. Chtltonia prostrata, Cass. Diet. ix. 173. — S. W. Texas to Arizona. 

 (Mex., W. Ind.?) 



P. ciliaris, L. Erect or diffuse, sometimes a foot high : leaves linear-oblanceolate or nar- 

 rower, commonly inch long : heads nearly sessile : disk-flowers 4 to 8 : palece of the pappus 

 lanceolate-subulate tapering into a slender awn, more rigid and equal than in the preceding. 

 — Spec. ed. 2, 1250. — Coast and keys of S. Florida, Blodgett, Garber. (W. Ind.) 



P. linifolia, Less. Erect, diffusely branched, slender, a span to a foot high : leaves narrowly 

 linear, inch long: heads on minutely bracteate filiform (commonly inch long) peduncles: 

 involucre (2 lines long) of narrower bracts: paleae of the pappus ovate or ovate-lanceolate, 

 abruptly long-awned, or some nearly awnless. Varies with peduncles not longer than the 

 head. — Less, in Linnaaa, vi. 709 (excl. syn.) ; DC. 1. c. 99 (excl. sjn.) ; Griseb. F. Brit. W. 

 Ind. 378, not L. — S. Florida, Bludfjett, Garber, Curtiss, &c. (W. Ind.) 



* * Pappus pauciaristate ; viz. of 1 to 5 or 6 upwardly scabrous (usually slender and setiform 

 but rigid) awns, at most dilated only at very base, with or without a short chaff}' crown of con- 

 nate or separate sqiiamcIUe, sometimes reduced to this, the awns being absent: bracts (jf tlie 

 sliort-cylindraceous ratlier many-flowered involucre linear, at length with involute margins 

 partlj' surrounding outer akenes: low and much branched annuals, with slender narrow-linear 

 leaves, bearing a few bristles next the bane. 



•*— Heads subsessile or short-peduncled, more or less fastigiate or cymose at the end of the branches : 

 bracts of the involucre about 8. 



P. tenella, DC. A span or more high : pappus of 3 to 6 slender awns, not much shorter than 

 the akene : no squamellffi or crown. — Prodr. v. 99 ; Gray, Bot. Mex. Bound. 73. — S. Texas, 

 Berlandier, Thitrbcr, Hacard. (Adj. Mex.) 



P. angustifolia, Torr. A span or two high, lemon-scented : pappus a crown of 4 or .5 

 mostly connate squamellae, and not rarely one or sometimes two slender usually short awns 



