IOO 
UR TIC A 
2. URTICA URENS. Small Stinging Nettle. Plate 108 
Urtica minor Gerard Herb. 570 (1597); Ray Syn. ed. 3, 140 (1724). 
Urtica urens L. Sp. PL 984 (1753); Syme Eng. Bot. viii, 130 (1868); Rouy FI. France xii, 274 (1910); 
Ascherson und Graebner Syn. iv, 603 ( 1 9 1 1 ). 
leones: — Curtis FI. Lond. i, 197; Smith Eng. Bot. t. 1236; Sv. Bot. t. 206; FI. Dan. t. 739; Reichenbach 
Icon, xii, t. 652, fig. 1320. 
Camb. Brit. FI. ii. Plate 108. (a) Shoot with catkins, (b) Staminate flower (enlarged). ( c ) Pistillate 
flower (enlarged). ( d ) Fruit with persisting perianth (enlarged). Huntingdon (E. W. H.). 
Exsiccata : — Billot, 456; Todaro, 993; Welwitsch, 240; Herb. FI. Ingric. iv, 578. 
Annual. Stem about 2 — 5 dm. high, usually much branched. Petioles about i‘5 — 2'o cm. long. 
Laminae elliptical-ovate, rounded or truncate at the base, deeply and often irregularly serrate, acute, 
about 3‘o — 4 - 5 cm. long and about half as broad. Inflorescences catkinate, diclinous, with staminate 
and pistillate flowers on each branch, the pistillate more numerous than the staminate, branched 
from the base ; branches usually in pairs, usually shorter than the petioles, ascending or spreading ; 
June to October. Seeds smaller than in U. dio'ica, larger than in U. pilulifera. 
Waste places and roadsides throughout the British Isles, common in lowland localities, as- 
cending to about 460 m. in Perthshire ; nitrophilous. 
Europe (except the extreme north, ascending to 2215m. in the Tyrol); Asia; northern 
Africa; Abyssinia; America (not indigenous). 
3. t URTICA PILULIFERA. Roman Nettle. Plate 109 
Urtica romana Gerard Herb. 570 (1597); U. pilulifera folio profundius urticae majoris in modum serrato 
semine magno lini Ray Syn. ed. 3, 140 (1724). 
Urtica pilulifera L, sp. PI. 983 (1753); Syme Eng. Bot. viii, 129 (1868); Rouy FI. France xii, 271 
(1910); Ascherson und Graebner Syn. iv, 605 ( 1 9 1 1 ). 
leones: — Reichenbach Icon, xii, 653, fig. 1302 [^>=1322]. 
Camb. Brit. FI. ii. Plate 109. (a) Flowering shoot, (b) Leaf of U. pilulifera var. dodarti. (f) Staminate 
flower above and hemi-hermaphrodite flower below, (d) Pistillate flower. Grown from Swiss seed (E. W. H.). 
Annual, up to nearly 1 m. high. Stem erect, more or less branched. Petioles long (ca. 3 — 4 cm.). 
Laminae ovate, subcordate to rounded at the base, serrate or entire, acute, up to about 6 cm. 
long and 4 broad. Inflorescences diclinous. Flowers late June and July. Staminate inflorescences 
pedunculate, lax-flowered ; peduncles ascending. Pistillate inflorescence on shorter peduncles, ag- 
glomerated into dense-flowered globular heads ; peduncles simple and with 1 head, or branched and 
with 2 ; peduncles ascending at first, ultimately descending. Fruits July to October. 
(a) subvar. genuina comb. nov. ; U. pilulifera var. genuina Wilkomm et Lange Prodr. FI. Hisp. i, 252 
(1861); Syme Eng. Bot. viii, 129 (1868). 
leones : — Smith Eng. Bot. t. 148 (1794). 
Exsiccata : — Reichenbach, 22, as U. pilidifera. 
Laminae strongly serrate. 
(b) subvar. dodarti comb, nov.; U. dodartii L. Syst. Nat. ed. 10, 1265 (1759); U. pilidifera var. dodarti 
Ascherson FI. Brandenb. 608 (1864); Syme Eng. Bot. 129 (1868). 
U. romana seu pilulifera altera pari'etariae folds Ray Hist, i, 161 (1686). 
leones: — Reichenbach Icon. t. 653, fig. 1303 \bis= 1323], as U. dodarti ; Syme Eng. Bot. t. 1281 (we 
have not seen specimens with such strongly cordate leaves as are shown in Syme’s figure). 
Laminae entire or nearly so. 
