Tas. 5077. “y 
AESCULUS Cauirornica. 
Californian Buck-eye. 
Nat. Ord. Hrppocastane®.—Hepranpria Monocynta. 
Gen. Char, Flores polygami. Cal. campanulatus vel tubulosus, quinquefidus 
vel 5-dentatus, plus minus ineequalis. Corolle petala 5, v. antici abortu 4, hy- 
pogyna, plus minus inzequalia et seepe dissimilia, unguibus erectis, Jaminis paten- 
tibus. Discus annularis, integerrimus v. lobatus, seepe unilateralis. Stamina 6- 
8, seepissime 7, hypogyna, libera ; _filamenta filiformia, adscendentia ; anther bilo- 
culares, longitudinaliter dehiscentes. Ovarium sessile, triloculare. Ovula in locu- 
lis gemina, augula centrali superposite inserta, inferius adscendens, superius appen- 
sum. Stylus filiformis; stigma acutum. Capsuda coriacea, levis v. echinata, tri- 
locularis v. abortu bi-unilocularis, loculicide dehiscens, valvis medio septiferis. 
Semina in loculis abortu solitaria v. rarissime gemina; ¢esta coriacea, nitida ; wm- 
dilico basilari lato, deraso, exarillato. Limbryonis exalbuminosi curvati cotyledones 
mlaxime, carnosee, conferruminate ; radicula brevis, umbilico proxima ; plumula 
diphylla.—Arbores v. frutices, in India boreali et in America Boreali calidiore 
sponte crescentes ; foliis oppositis, petiolatis, exstipulatis, palmatim quingue-novem- 
Joliolatis; foliolis sessitibus vel petiolatis, penninerviis, serratis ; floribus in racemos 
vel paniculas terminales thyrsoideas dispositis. Dndl. 
/EscuLus (§ Pavia) Californica ; staminibus corolla longioribus, petalis 4, obo- o 
vatis brevi-unguiculatis sub:equalibus patentibus, calyce tubuloso bilabiato, 
thyrso multifloro compacto, foliolis 5 ovato-lanceolatis basi subangustatis 
rotundatis argute serratis glabris subtus pallidioribus. 
Ascurvs Californica. Nutt. M8. Torr. et Gray, Fl. of N. Am. v. 1. p. 251. 
Nutt. Sylva, v. 2. p. 69. t. 74. Newberry in Williamson's Route to Calif. 
and Oregon, 1855; Bot. p. 20.f. 1. 
' Catoturrsus Californica. Spach in Ann. Se. Nat. ser. 2. p. 62. 
‘The Californian Horse-Chestnut was probably first detected by 
Nuttall, at Monterey, and Drs. Torrey and Gray adopted his 
Manuscript name. Seeds have been sent to Messrs. Veitch, from 
the Exeter and Chelsea Nurseries, and their young trees pro- 
duced fine thyrsi of flowers in July, 1858. Mr. Newberry (from 
whom we have specimens by favour of Drs. Torrey and Gray) 
found it abundant in the Sacramento Valley ; Mr. Bridges sends 
it to us from the same country. It is described as a low, spread- 
OCTOBER Ist, 1858. 
