374 76. CANNABINACE^. 77. ULMACEJB. 



Order LXXYI. CANNABINACE^E. 



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

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

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

 With stipules. 



1. HUMULUS. Fern. fl. open nearly flat, 2 together. 



1. HU'MULUS Linn. Hop. 



1. H. Lupulus (L.). E. B. 427. Known by its long twin- 

 ing stems, opposite rough 3 o-lobed serrate leaves ; ovoid or 

 globular ripe fern, catkins with ovate scales. Male fl. in loose 

 panicles. A true native in the south of England. P. VII. E. 



Order LXXVII. ULMACE^E. 



Fl. bisexual, not in catkins. Perianth inferior, bell-shaped, 

 3 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. ULMUS. Perianth bellshaped, 4 5-cleft, persistent. Stam. 

 5. Styles 2. Caps, compressed, wings all round. FL 

 before the leaves, clustered ; ped. short. 



1. UL'MTJS Linn. Elm. 



1. U. campes'tris (L.) ; 1. shortly acuminate more or less 

 doubly serrate, ped. short, fl. 4 5-tid, lobes ciliate, fr. obovate 

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

 near the notch. a. suberosa (Kochj; 1. asperous above pubes- 

 cent beneath. E. B. 1886, 2161. . carpiwfolia (Meyer). 



U. glabra (Sm.) ; 1. rather coriaceous shining nearly or quite 

 smooth above glabrous except in the axils of the veins beneath, 

 young 1. stip. and fr. with subsessile glands. E. B. 2248. 



U. stricta (Lindl.) which has rigid erect close branches is a 

 form of this variety. a. Throughout England. /3. South of 

 England and Ireland. T. III. V. Common Elm. E. I. 



2. U. glabra (Huds.) ; 1. much acuminate doubly serrate 

 asperous above rather downy beneath, ped. short, fl. 5 7-ftd, 

 lobes ciliate, fr. oblong or roundish notched, seed-cavity chiefly 

 below the middle of fr. and distant from the notch. E. B. 1887. 



