314 ■ Corcopsidece and Tagetincce. [zoe 



DcCandolle and Dr. Gray state, has the naked, united involucre of 

 Tag-etes. I have nowhere seen it stated that the pappus of Tagetes 

 is duplex, and Adenophylkmi is kept separate from Dysodia, and 

 related genera principally on such ground. In the first of the fol- 

 lowing species the pappus is not only as usual heteromorphous but 

 is plainly in two series; several others, however, show an approach 

 to such a state, notably T, Parryi^ T. Lemmojii and 7! Palmeru 

 In these the awns apparently belong to the inner series and are 

 less corneous than those of such species as 7! pediinadaris or 

 T. 7mcrantlia. 



Tagetes lacera. Perennial (?) glabrous, with many stems 

 from the base; stems erect, terete, i m, high; leaves opposite or 



10- 



ment; rhachis more or less margined and toothed; segments 7-1 1, 

 lanceolate, acute; rhachis, teeth, depauperate lower segments, and 

 the small upper leaves setiferous; peduncles elongated ventricose- 

 inflated; heads solitary; involucre campanulate 12-15 nim. long, 

 8-io-toothed; rays yellow, shorter than the involucre, oblong, re- 

 tuse, often with two slender lobes from the summit of the tube; 

 style often 3-parted: flowers of the disk not bearded within : pappus 

 of 1-4 usually 2, firm scales, one-half the length of the akene or 

 more, tapering into brownish awns, and an outer series of several 

 short more or less lacerate pale®. 



_ Summit of Sierra de la Laguna, under the shade of oaks and 

 pmes. January, 1890, 



_ Tagetes scabra. Apparently annual, but the roots far-sprcad- 

 ing, ic^i6 cm. high, ramose: branches angled, strongly scabrous 

 on the angles ; leaves thick, opposite and clasping, dotted, pinnati- 

 hd, with 7-13 hnear entire, acuminate, not setaceous segments, mar- 

 gins and mibrib strongly scabrous : peduncles short, axillary and 

 terminal, sometimes very short, angled and scabrous: involucre 

 smooth, ventricose-clavate, 6-9-flowered, slender, 6-8 mm. long, 

 truncate at apex, the five segments united to the top and each ter- 

 minated by a recurved short awn : rays 1-3 apparently white, 

 short, obtuse: akenes clavate, hispid on the angles; pappus of 2-5 



Ikene ^' """""^ ''''''' ^'''"' '^^'^-^^^^^5 the length of the 



Antigua, Guatemala, from an unknown collector. In general ap- 

 pearance resembling njsodia chrysanthcmoides. 



