112 
Genus 2. Parietaria. 
P. officinalis. Pellitory. Fig. 1111. 
Leaves ovate-lanceolate. Stems ascending. Involucrum 3-flowered. 
Old walls. 1-2 ft. Perenn. June-Nov. Pink, (f) E.B. 1.879. 
E.B. 2.229. H. Am. 384. Bab. 294. Lind. 218. 
Genus 3. Humulus. 
H. Lupulus. IIop. Fig. 1112. 
A climbing dioecious plant. Barren flowers in panicles; fertile ones 
in axillary catkins. Hedges. Perenn. July. Greenish. (g) E.B. 
1. 42 7. E. B. 2. 1389. H. Am. 386. Bab. 295. Lind. 219. 
Order LXXX. ULMACEiE. 
Genus 1. Ulmus. 
U. campestris. Common Elm. Fig. 1113. 
Leaves rhomboid-ovate. Fruit oblong, deeply cloven. Woods and 
hedges. March and April. Purplish, (f) E. B. 1. 1886. E. B. 
2. 365. H. Am. 386. Bab. 295. Lind. 226. 
TJ. suberosa. Cork-barked Elm. Fig. 1114. 
Leaves nearly orbicular. Flowers on short stalks. Fruit roundish, 
cloven. Branches corky. Hedges. March. Purplish. (f) E. B. 
1.2161. E.B. 2.366. H.ty-Arn.387. Bab. 295. Lind. 226. 
U. major. Dutch Elm. Fig. 1115. 
Leaves ovate. Flowers nearly sessile. Branches corky. A doubtful 
native. March. Yellowish. (J) £.£.1.2542. E.B. 2.367. H. fy- 
Am. 387. Bab. 296? Lind. 226. 
U. glabra. Smooth Elm. Fig. 1116 
Branches smooth. Leaves ovate-lanceolate, very unequal at the base, 
smooth. Fruit slightly cloven. Woods. March. Purplish. (§) 
E.B. 1.2248. E.B. 2.369. H. fy Am. 387. Bab. 295. Lind.226. 
U. Montana. Wych Elm. Fig. 1117. 
Leaves large, obovate, nearly equal at the base, coarsely serrated. 
Branches drooping, smooth. Woods. March. Purplish. (■§■) E. B. 
1.1887. E. B. 2. 368. H. Am. 387. Bab. 296. Lind. 227. 
Order LXXXI. ELiEAGNACEiE. 
Genus 1. Hippopha . 
H. rhamnoides. Sallow Thom. Fig. 1118. 
A dioecious shrub. Leaves linear-lanceolate, silvery white. Branches 
ending in thorns. Sea-coasts. 4-10 ft. May. Berries orange. (§) 
E. B. 1. 425. E. B. 2. 1387. H. Am. 388. Bab. 287. Lind. 208. 
Order LXXXII. MYRICACE^E. 
Genus 1. Myrica. 
M. Gale. Sweet Gale. Fig. 1119. 
A low shrub. Leaves lanceolate. Plant covered with white resinous 
glands. Catkins with pointed scales. 2-4 ft. May. Yellowish red. (§) 
E.B. 1.562. E. B. 2. 1388. H. Am. 389. Bab. 307- Lind. 242. 
Order LXXXIII. BETULACE^. 
Genus 1. Betula. 
B. alba. White Birch. Fig. 1120. 
Bark of trunk silvery white. Leaves ovate, acute. Flowers monoe¬ 
cious, in catkins. Woods. April and May. Greenish. (£) E. B. 
1.2198. £'.£.2.1325. H.fyArn. 390. Bab.307. Lind.229. 
