DESCRIPTIONS OF CALIFORNIAN GENERA AND SPECIES. 137 
Horxeia Tiinat, E. Regel, 2 foliolis apice 3-5 dentatis.— 
Caule erecto, pedali et ultra, basi laxe patenti—hirsuto, api- 
cem versus glabro; foliis praecipue ad marginem laxe 
villosis, pinnatis; foliolis 5-9, foliorum radicalium ovato- 
oblongis, pollicem et ultra longis, fol. caulinorum cuneato- 
oblongis, omnibus apice 3-5 dentatis, caterum dee 
stipulis palmatifido-laciniatis, laciniis linearibus; cym 
pedunculatis, subcapitatis; pedicellis calycibusque taut 
loso-pubescentibus; calycibus pedicellum superantibus, seg- 
mentis accessoriis linearibus, quam vera triangulari-lanceo- 
lata subduplo brevioribus; petalis albis, linearibus, calycis 
segmenta circiter atahantihe: staminibus 10; filamentis 
angustis subfiliformibus. 
In California prope Nevada city, legit Cl. Tiling. 
ASTER SCORZONERIFOLIUS, E. Regel?; perennis; caule 
circiter 25 c. m. alto, simplici, folioso, basi glabro, apicem 
versus puberulo; foliis radicalibus linearibus, longissimis, 
caulem superantibus y. equantibus, canaliculatis, integerri- 
mis, plerumque 5-nerviis, glabris; foliis caulinis 9-10, sessili- 
bus, e basi latiore lineari—lanceolatis, integerrimis, decre- 
scentibus, inferioribus glabris trinerviis, superioribus 
uninerviis, margine v. undique puberulis; capitulis pro 
genere maximis, in apice caulis solitariis v. rarius in ramulo 
bevi axillaribus; involucri late campanulati squamis imbri- 
catis, 5-serialibus, canescenti-puberulis (nec glandulosis), 
lineari-lanceolatis, acutis, apice laxe patulis, quam flores 
disci brevioribus; ligulis pallide-violaceis, ern egmpins 
apice acutis integris v. minute bidentatis, patulis, 15 c. 
2 Revisio Specierum Crataegorum, Dracaenarum, Horkeliarum, Laricum 
et Azalearum; auctore E.'‘Regel, p. 153 [Published in Acta Horti Petro- 
politant Tom. i, pp. 101-164, (1871-1872): also issued as an excerpt with 
pages numbered 1-64. Though the title-page of this volume bears date 
1871-1872, pages 283 to 586 comprise an article by F. von Herder 
which is dated at the end “St. Petersb. d. 13. (25) Febr. 1873.”] 
Horkelia Tilingi was figured in Gartenflora 1872, t. 711: it is the Poten- 
tilla Tilingi of Professor Greene. 
8 Acta Horti Petropolitani, ii. 308 (1873): Gartenflora, 1873, p. 1. 
