Myricaceae 97 



2-4-celled ; ovules solitary, erect, orthotropus ; styles 2. 

 Fruit in ours a drupe, with indehiscent, fibrous woody 

 exocarp, enclosing the bony endocarp or nut, which is 

 incompletely 2-4-celled. Seed large, 2-4-lobed ; endo- 

 sperm none ; cotyledons corrugated, oily. 



1. JUGL.ANS L. WALNUT. 



Trees or large shrubs, with a somewhat resinous-aro- 

 matic bark and foliage, superposed buds and odd-pin- 

 nate leaves, with nearly or quite sessile leaflets. Stami- 

 nate flowers borne on the twigs of the previous year ; 

 perianth 3-6-lobed ; stamens 8-40, in 2 or more series. 

 Pistillate flowers solitary or several together on a termi- 

 nal peduncle at the end of shoots of the season ; calyx 

 4-lobed, with 4 small petals adnate to the ovary at the 

 sinuses ; styles fimbriate, very short. Drupe large glo- 

 bose or ovoid, the exocarp somew r hat fleshy, the endo- 

 carp rugose or sculptured, 2-4-celled at the base. 



1. J. Californica Wats. Arborescent shrub growing in 

 clumps, 5 m. high, or rarely a tree and attaining a height of 12 

 m., more or less tomentose, sometimes nearly glabrous; leaves 

 15-25 cm. long; leaflets 11-17, oblong-lanceolate, serrate, 4-6 cm. 

 long ; aments often in pairs, 7-12 cm. long ; perianth of staminate 

 flowers 3 mm. long; stamens 30-40; drupe globose, slightly com- 

 pressed, 1.5-2.5 cm. in diameter; nut shallowly sulcate. 



Confined mostly to the foothills below 3000 feet. Frequent in the Santa 

 Monica Mountains and Puente Hills, less so on the southern borders of the 

 San Gabriel, San Bernardino and Santa Ana Mountains. 



Family 15. MYRICACEAE. BAYBERRY FAMILY. 



Shrubs or trees with alternate, mostly coriaceous and 

 aromatic simple leaves and small monoecious or dioecious 

 flowers, in linear, oblong or globular, bracted aments. 

 Flowers solitary in the axils of the bracts. Perianth 

 none. Staminate flower with 2-16 (usually 4-8) stamens, 



