24 Guide 



(a) Seed-cases two- to seven-celled, with one or two young 

 seeds in each cell ; in fruit one-celled and one-seeded ; 

 staminate flowers mostly in slender, drooping, and 

 scaly clusters. Oak Fam. No. 31 (Cupuliferae) page 206. 



(a) Seed-case one-celled with many young seeds ; in fruit one- 

 celled and many-seeded ; staminate and pistillate 

 flowers mostly in lengthened and scaly clusters. Willow 

 Fam. No. 32 (Salicaceae), page 220. 



(a) Seed-case one-celled, with one young seed ; staminate and 

 pistillate flowers mostly in scaly heads ; leaves fragrant 

 when crushed. Sweet-Gale Fam. No. 30 (Myricaceae) 

 page 202. 



CLASS SECOND. Young seeds not enclosed in seed-cases ; 

 (Gymnospermae) ; leaves needle-shaped or line-like. 

 Juniper and Yew in Pine Fam. No. 34 (Coniferae) 

 pages 230, 232. 



