OP ARTS AND SCIENCES. 15 



the following, which, taken up by the name only from a specimen in the 

 Kew herbarium, should have its publication completed by a character. 



V. OVATIFOLIA, Gray, ex Hemsl. 1. c. 189. " Herba fruticiformis 

 8.-10-pedali" ex inveiitore, scabrida ; foliis ovatis acutis subsessilibus 

 denticulatis ; capitulis subcymosis brevi-pedunculatis semipollicem 

 altis ; involucri bracteis parvulis ovatis oblongisque adpressis ; coroUis 

 parce hirsutulis ; acheniis immaturis oblongis ; aristis subulatis basi 

 alae accretis. — Chiapas, S. Mexico, coll. Ghiesbreght, 523. 



Coreopsis anthemoides, DC, is a not uncommon Mexican 

 species, which very closely imitates Bidens daiicifolia and B. ferulcB- 

 fol'ia on a small scale, only wanting the awns. I have it not with 

 mature akenes. It is Bourgeau's 836, and Coulter's 378, which are 

 doubtfully referred here by llemsley. And Schultz sent it to us, from 

 an old collection by SchafEner, under two unpublished names, viz. 

 Bidens Coreopsidis and B. Scharffneri. The keeping up of the two 

 genera, Bidens and Coreopsis, necessitates a wholly artificial division of 

 the connecting forms. 



Coreopsis Schaffneri. Eucoreopsis, Diodonta, facie Bidentis 

 anc/iistissimce, glaberrima; caulibus herbaceis e radice perenni 2-3- 

 pedalibus vamosis gracilibus ; foliis angustissime linearibus integerrimis 

 aliis integris aliis tripartitis ; capitulis parvulis coryraboso-paniculatis ; 

 involucro ima basi pubescente, bracteis glabris subeequilongis, exteri- 

 oribus angusto-linearibus laxis, interioribus lanceolatis ; ligulis aureis 

 subintegris lin. 4 longis ; acheniis sublinearibus basi attenuatis liu. 3 

 longis biaristulatis, aristis fere laevibus vix lineam longis, demum 

 quandoque deciduis. — Mexico, near San Luis Potosi, Schooner, 202, 

 Fan-f/ ^ Palmer, 448, 4481. 



Electra, DC, it were better to retain as a genus, thus excluding 

 all fertile- or even styliferous-rayed species from Coreopsis. But if 

 not kept up. it would rather be an aberrant Leptosyne (wanting the 

 annulus to disk-corolla), a genus which takes in all the other stylife- 

 rous Coreopsides of the Genera Plantarum, and also Coreocarpus, 

 Benth. Its section Pagiopappns {Agarista, DC.) comes down to 

 two species, L. calliopsidea, with a var. nana, and L. Bigelovii, the 

 P. Breioeri being only a form of the latter. 



Bidens heterophylla, Ort. This includes B. longifolia, DC, as 

 well as B. arguta, HBK., referred here by Hemsley. Palmer's speci- 

 mens (634), collected at Parras, are very like Berlandier's. To 

 Hemsley's references may be added 363 of Bourgeau, 384 of Schaff- 

 ner, and 717 of Berlandier. A genuine form, collected by Pringle in 

 Arizona, appears to connect with this species the singular variety 



