GYMNOSPERMS ON STANFORD GROUNDS ABRAMS 109 



year; scales abruptly dilated and flattened at apex, with short, prominent 

 points; seeds 1-5 to each scale, slightly compressed. 



Six species are known. They are confined to the Atlantic and Pacific 

 Coast regions of North America and to Japan and Formosa. 



1. Chamaecyparis Lawsoniana Parl. Lawson Cypress. 



Leaves closely appressed to the flattened frond-like branchlets, bright 

 green and with a gland on the back, paler beneath with whitish markings ; 

 staminate flowers red; cone about l /z inch broad, red brown. 



Tree sometimes 200 feet high, with horizontal spreading and usually 

 pendulous. Native of the coastal region of Oregon and northern Cali- 

 fornia. A variable species with over 60 garden forms. Young trees are along 

 Alvarado Row, others are in the Arboretum but they endure our dry season 

 badly. A handsome specimen is in the lawn at the Stanford Residence and 

 another is at 9 Lasuen Street. 



14. Juniperus. 



Evergreen trees with opposite or ternate, scale-like or needle-shaped 

 leaves. Flowers are dioecious or monoecious, minute ; staminate oblong-ovate ; 

 anthers with 4-8 pollen-sacs. Cones globose or oblong, with 2-3 series of 

 fleshy coalescent scales, berry-like, maturing the second year; seeds 1 -several, 

 ovate, terete or angled. 



A genus of about 30 species widely scattered over the northern hemi- 

 sphere from the Arctic Circle to the mountains of the subtropical regions. 

 Flowers monoecious, axillary; leaves jointed at base, spreading and needle- 

 shaped. 1. /. communis. 

 Flowers dioecious, terminal ; leaves not jointed at base, often scale-like. 

 Leaves all alike, in 3s, slightly spreading; prostrate shrub. 



2. /. recurva squamata. 

 Leaves often of 2 kinds, those on vigorous shoots in 3s, acicular, those on 



foliage branches in 2s, minute and scale-like. 

 Trees; fruit erect. 3. /. mrginiana. 



Low shrub with procumbent branches; fruit pendulous on recurved 

 peduncles. 4. /. Sabina. 



1. Juniperus communis L. 



Leaves widely spreading, jointed at the base, narrowly linear-lanceo- 

 late, sharp-pointed, l / 2 inch long or less, concave and with a broad white 

 band above; fruit sub-sessile, dark blue and glaucous, %. -^ inch broad. 



A small tree or erect shrub. Widely scattered over the northern hemi- 

 sphere. A variable species with many geographical varieties and garden 

 forms. One specimen is west of the Cactus Garden. 



