76. CAinTABlNACEJE. 77. TTLMACEiE. 313 



xihlong.—K B. 1236. — Scarcely a foot high, glabrous, with 

 stinging bristles. — Common weed. A. VI. — ^IX. E, S. I. 



3. U. dioica (L.) ; 1. opposite cordate serrate, spikes axillary 

 ^anicled exceeding the petiole, seeds ovate. — E. B. 1760. — Creep- 

 ing. St. 2 — 3 ft. high. Hairy. Stinging. Dark green. — 

 |3. angiistifolia ; 1. ovate-lanceolate rounded but not cordate at 

 the base.— Common. P. VI.— IX. E.S.I. 



Order LXXVL CANNABINACE^. 



Fl. dioecious ; fem. in catkins. Perianth inferior, of 5 sepals 

 in male, open and scale-like in female flower. Stam. 5, on base 

 of perianth. Ovary free. Ovule solitary. Styles 2, long. — 

 With stipules. 



1. HuMCLUS, Fem. fl. open nearly flat, 2 together. 



1. Hu'inrLTTS Linn. Hop. 



1. JE LUpulus (L.). — Well known by its long twining stems, 

 opposite rough 3— 5-lobed serrate leaves ; ovoid or globular ripe 

 fem. catkins with ovate scales. Male fl. in loose panicles, — A 

 true native in many parts of the south of England. P. VII. E. 



Order LXXVII. ULMACE^. 



Fl. bisexual, not in catkins. Perianth inferior, bellshaped, 

 S — 8-cleft, imbricate. Stam. definite in number, inserted in 

 tube of perianth and opposite to its lobes. Ovary free, 1 — 2- 

 celled; ovules solitary. Styles 2. Fr. not bursting. — With 

 deciduous stipules. 



1. TJlmus. Perianth bellshaped, 4 — 5-cleft, persistent. Stam. 

 6. Styles 2. Caps, compressed, winged all round. — Fl. 

 before the leaves, clustered ; ped. short. 



1. TJi'mtts lAnn. Elm. 



1. U. campestris (Sm.) ; 1. shortly acuminate more or less 

 doubly serrate, ped. short, fl. 4 — 6-fld, lobes ciliate, fr. obovate 

 or oblong notched, seed-cavity chiefly ahme the middle of fr. and 

 near the notch. — JJ. campestris (L.) includes this species and 

 Sp. 2. — a. U. suherosa (Sm.) ; 1. asperous above pubescent be- 

 neath. JE. B. 1886, 2161.— ^. U. glabra (Sm.) ; 1. rather cori- 

 aceous shining nearly or qmte smooth above glabrous except 

 in the axils of the veins beneath, young 1. stip. and fr. with 

 subsessile glands. U. B. 2248. V. stricta (Lindl.) which has 

 rigid erect close branches is a form of this variety. — a. Through- 



