90 - UNITED STATES AND MEXICAN BOUNDARY. 
Астткомевів WRIGHTII, Gray, Pl. Fendl. p. 85, & Pl. Wright. l. c. Between Cobre and 
Conde's Camp, New Mexico, еіс.; Wright, Thurber. 
— ACTINOMERIS LONGIFOLIA, Gray, Pi. Wright. 2, p. 89. Mountains east of Santa Cruz, Sonora ; 
Wright. 
TITHONIA TUBJEFORMIS, Cass. Magdalena, Sonora; Thurber. ‘‘ Flowers orange-yellow.”’ 
HELIANTHUS CILIARIS, DC. Prodr. b, p. 587. From the lower Rio Grande to the Gobre, ete. ; 
New Mexico; also in Sonora, where Mr. Thurber gathered a form with remarkably broad leaves. 
HELIANTHUS GROSSE-SERRATUS, Martens ; var., Gray, Pl. Wright. 2, p. 89. Valley of the Mim- 
bres, New Mexico; Wright. Between the Rio Salado and Victoria, Texas; Schott. 
HELIANTHUS MAXIMILIANI, Schrad.; РС. 1. с. Leon Springs, and on the Limpia; Bigelow. 
Rio Seco, Texas; Schott. 
HELIANTHUS ANGUSTIFOLIUS, Linn. Between Indianola and Victoria, Texas; Schott. 
HELIANTHUS LENTICULARIS, Dougl. in Dot. Reg. t. 1265. Valley of the Gila; Schott. Common | 
in Texas and New Mexico. 
HELIANTHUS PETIOLARIS, Var. CANESCENS, Gray, Pl. Wright. 1, p. 108, & 2, p. 89. The remark- 
ably silvery-canescent form. On the Rio Grande, below El Paso; Wright, Bigelow, etc. 
Heniantuus, in Pl. Wright. l. c., referred to H. petiolaris. Cobre, Wright, (1231,) Escondido 
creek ; Bigelow. А singular and still doubtful plant. 
- HELIANTHUS CUCUMERIFOLIUS, Torr. & Gray, Fl. 2, p. 819. On the lower Rio Grande ; Schott. 
-一 一 HELIANTHTS CUCUMERIFOLIUS, var. РЕЖСОХ. H. praecox, Englm. & Gray, Pl. Lindh. Н. debilis, ~ 
var. Torr. & Gray, Fl. 1. c. Cleto creek, Texas ; Schott. 
HELIANTHUS ARGOPHYLLUS, Torr. Ё Gray, l. с. Cleto creek, between Victoria and San Antonio, 
Texas; Schott. A striking species, recently introduced into the gardens. 
HELIANTHUS (HARPALIUM) TEPHRODES, (sp. nov.): humilis, pube appressissima canescens; 
foliis plerumque alternis ovatis petiolatis subserratis basi trinerviis, junioribus cano-argenteis ; 
pedunculo gracili monocephalo ; involucri squamis ovato-lanceolatis mucronato-acutatis ; pappo 
e squamellis paleisve plurimis, majoribus 1— 2 sepius aristiformibus deciduis.—Mirasol del 
Monte, in the Californian desert of the Colorado, in sandy places by the road-side, October, 1855; 
Schott. The specimen is incomplete, and hardly sufficient for proper determination ; the base 
of the stem and the root unknown. The stems or branches collected are scarcely a foot long, 
and slender. Leaves about an inch long. Scales of the involucre merely biserial. Rays about 
12, yellow; disk-corollas tipped with purple. The chaffy awns of the pappus are sometimes 
elongaied, but often one or both of them reduced to strong squamelle, like the rest. 
COREOPSIS (AGARISTA) CALLIOPSIDEA. Agarista calliopsidea, DO. Prodr. 5, p. 569. Moist 
and grassy plains between Monterey and Santa Barbara, California. An unpublished Peruvian 
species connects Agarista with Coreopsis, of which it can form only a section. 
огт CoREOPSIS CARDAMINEFOLIA, Torr. @ Gray, Fl. 2, p. 346. Low places on the pare Rio 
Grande, etc. 
CoREOPSIS DRUMMONDII, Torr. & Gray, var. Western Texas ; Wright. ; 
THELESPERMA FILIFOLIUM, Gray, in Kew Jour. Bot. 1, p. 252, & Pl. Wright. 1. с. Com- 
mon in Southern and Western Texas. 
THELESPERMA GRACILE, Gray, l. c. From the Limpia to Cobre, New Mexico, and — 
Cruz, Sonora, (Schott.) 
THELESPERMA SUBSIMPLICIFOLIUM, Gray in Hook. Kew Jour. Bot. 1, p. 252 (nom. paullo 
mutatum): foliis rigidis anguste Lager flit caulinis simplicibus trisectisve, inferiori- 
4 
— 
lukia pirina бузду Afe Р Ve EZ 
