Arizona Ac.ricuIvTl;kai, 1'<\im'RimKxt Station 429 



cacti, several varieties, {Opiintia sps.): (7) vSagx) or fern palm 

 {Cycas rcrohtta) ; (8) Pepper tree (Scininis molle); (9) Sonoran 

 fan palm {Neozvashingtonia sonorac); (1<J) vSlender fan jjalm 

 (Neoicasliingtonia gracilis); (11) Canary palm (Phoenix canancn- 

 sis); (12) Popinac or huisache (Acacia I'antcsiajia) ; (13) Sweet 

 bay (Lannis iiobilis) ; (14) Lemon verbena (Lippia citriodora) ; (I?) 

 Pitahaya (Cercits Tlmrbcri); (H)) Common oleander {Ncriv.m 

 oleander); (17) Acacia retinodes. 



It will be botb interesting and instrnctive for the prospective 

 planter to compare the following- list with the one given above. 

 These ornamental trees and shrnbs, mostly exotic, growing- on the 

 University gronnds, were not injured in the least with the above 

 temperatures. (1) Australian beefwootl {Casuarina Cunningham' 

 unia ) ; (2) Bagote (Farkinsonia aciileata); (3) Cabbage i^almetto 

 (Sabal palmetto) ; (4) California fan palm (Neozvashingtoiiia iil- 

 fcra) ; (5) California blue palm (llrylhraea annata) ; (6) Chinese 

 vintlmill i^alm (J'rachycarpiis e.vcelsa ) : (7) Citranges, several va- 

 rieties, (Citrus trifoliala x siensis) ; (8) Common lavender (Laven- 

 diila zrra) ; (9) Roman myrtle (Myrtiis conintmiis) ; (10) Desert 

 gum (Uycalyptus radis): (11) Forest Red gum (Bacalyptiis fereti- 

 cornis); (12) Japanese loquat (Photinia japonica); (13) Japanese 

 pittosporum (Pittosponnn tobira); (14) Weeping pittosporum 

 (Pittosporuin phillyraeoides) ; (15) Evergreen tamarisk {Tamarix 

 articitlata) : (16) Larustinus {Vibiirnmn tinus) ; (17) Olive {Olea 

 enrppoea); (18) Red box (Eucalyptus polyanthetna) ; (19) Rose- 

 mary (Rosmarinus officinalis); (20) Alayten (Maytenus boaria); 

 (21) Red gum {Eucalyptus rostrata) ; (22) Japanese box (Euo)iyinus 

 japonicus) ; (23) Japanese trifoliate orange {Citrus trifoliata) ; (24) 

 Maypop (Passillora caerulea) ; (25) Chaiuaero/^s huniilis. 



The species noted below with the exception of Opuntia Elli- 

 suvia were severely frozen back or killed outright in the introduc- 

 tion garden at the University Farm with a ten-i])erature of 9 degrees 

 F. already noted. 



Mayten (Maytenus boaria). This is a small evergreen tree 

 b.ardy at the University Canipus. 



Agave or Century ])lant (Agai'e aniericaiia) . These plants 

 were frozen to the ground and some were killed. They had been 

 growing in the garden for two years and Avere.of robust growth 

 with leaves 18 to 24 inches long. 



Citranges (Citrus trifoliata x sinensis). These are hybrids 

 between the hardy Citrus trifoliata and the cultivated orange. 



