VEGETATION OF MOUNT HAMILTON. 95 
168. PrENnrsTEMoN BREVIFLORUS, Lindl. Bot. Reg. t. 1946. 
Dry northward slope of the Newton Peak. 
169. Pxrntsremon Azureus, Benth. Pl. Hartw. 327. Com- 
mon about the Observatory and residence. 
170. Mimoxvus aurratus, DC. Cat. Monsp. 127; Greene, 
Bull. Calif. Acad. i. 110. 
171. Evuyayus Bonanpert (Gray), Greene, Bull. Calif. 
Acad. i. 105 
172. CasTrineta parvirtora, Bong. Veg. Sitk. 157. 
173. AprNosTEatA prtosa (Gray), Greene, Pittonia, il. 
174. Apuynion Fasotcutatum (Nutt.), T. & G. in Gray, 
Man. 2d. ed. 281. 
175. ApHyYLLon TUBEROSUM, Gray, Bot. Cal. i. 585. 
176. MonarpELLA viLLosa, Benth. Lab. Gen. & Sp. 332. 
177. ACANTHOMINTHA LANCEOLATA, Curran, Bull. Calif. 
Acad. i. 13. Plentiful along the lower part of the Aquarius 
Road; herbage almost oily, and very heavily aromatic. 
178. Satvia CotumBariz, Benth. 1. c. 302. 
179. Sracnys pyonanTHa, Benth. Pl. Hartw. 331. Near 
the Joaquin Springs only. 
180. Sracuys puntata, Benth. Lab. Gen. & Sp. 547. 
181. Urrica notosericea, Nutt. Pl. Gamb. 183. 
182. Atnus ruBRA, Bong. Veg. Sitk. 162. One fine tree 
perhaps forty feet high, at the Aquarius Spring. 
183. QuErcus Doverast, Hook. & Arn. Bot. Beech. 391. 
(Dovenas Oak and Brus Oak). Trees of middle size are 
noticeable in considerable numbers on the western flanks of 
the mountain, some of them not far below the Observatory 
at the northward. 
184. Quercus pumosa, Nutt. Sylv.i.7. One of the several 
so-called Scrub Oaks; this one not at all plentiful here. 
