OF THE WASATCH REGION 13 



ORDER FAGALES. 



FAGACE-ffi. Beech Family. 



Monoecious shrubs or trees. Leaves simple and 

 alternate (%), with deciduous stipules. Flowers regu- 

 lar. Staminate flowers in catkins of small heads, each 

 with 4-7 sepals, no petals and 4-20 stamens. Pistillate 

 flowers in spikes, in capitate clusters, or solitary, with 

 sepals soon dropping off, no petals and ovary 3-7-celled. 

 Styles 3. Fruit a 1-seeded nut, more or less surrounded 

 by a small cup (the hardened and enlarged involucre). 



1. QUERCUS. Oak. 



Shrubs or trees, often with deeply pinnately-lobed or cleft 

 leaves. Flowers greenish or yellowish. Staminate catkins 

 thread-like and drooping; one or several from the same scaly 

 bud. Calyx 2-8-lobed. Pistillate flowers usually solitary. 

 Stigmas 3. Ovary enclosed in a cup-like involucre; 3-celled 

 and 6-ovuled (only 1 of the ovules maturing). 



Cup covering about % of the acute, ovoid acorn. 1. Q,. Gambellli 

 Cup covering about l / 3 of the obtuse, barrel-shaped 



acorn 2. Q. Gunuisonii 



1. Q. Gambellii Nutt. (Q. undulata Gambellii Engelm.) 

 Scrub Oak. A shrub 10-15 ft. high or rarely tree-like. Leaves 

 more or less lobed; leathery; rather bright green and glabrate 

 above, puberulent or glabrate below; dropping from the tree 

 soon after frost. In more or less dense patches on the lower 

 mountain slopes. May. 



2. Q. Gunnisonii (Torr.) Rydb. (Q. alba Gunnisonii Torr. ; 

 Q. undulata Gunnisonii Torr.; Q. novo-mexicana Rydb.) A 

 shrub 3-10 ft. high. Leaves firm; green and sparingly stellate 

 or at length glabrate above, puberulent below; very leathery; 

 lobes extending not more than half-way to the midrib, the 

 lobes entire. 



2a. Q,. Gunnisonii utahensis (Rydb.) A shrub or small tree 

 sometimes reaching a height of 30 ft. or more. Leaves almost 

 velvety beneath, deeply divided. 



URTICACE-ffi. Nettle Family. 



Herbs, shrubs or trees. Leaves with stipules, the 

 latter often deciduous. Flowers monoecious, dioecious, 

 polygamous, or perfect; not showy. Calyx regular; 

 free from the ovary. Corolla none. Stamens fewer or 

 as many as the lobes of the calyx, and opposite them. 



