XI4 CLASS XXI. ORDERS III and IV. 



lion after leaves appear. — babylonica^ (weeping wil- 

 low) leaves glabrous lance- linear, branches pen- 

 dant, e. Leaves entire — tristis^ leaves lanceo- 

 late tapering to both ends, downy beneath — repensy 

 (creeping willow) stem depressed, leaves lance- 

 oval. 



Fraxinus. Perfect flowers — ^calyx 0, or 4-part- 

 ed : corol 0, or 4-petalIed : pistil 1 : samara I -seed- 

 ed with a lanceolate wing. Pistillate flowers on a 

 distinct plant : calyx, corol, pistils same as stami- 

 nate. \ . 44. 37 — americana (white ash) leafets sub- 

 ovate, acuminate ^nuve^uglandifoUai (walnut* 

 leaved ash) leafets ovale serrate. 



Order III. Triandria.' 

 Ficus. Common receptacle fleshy enclosing the 

 apetalous florets, either in the same or in a distinct 

 individual. Staminate flowers — calyx 3-parted. — 

 Pistillate flowers — calyx 5-parted : pistil I, lateral: 

 seed 1, covered with the closed permanent some- 

 what fleshy calyx. 5 3. 93 — carica, (fig tree) leaves 

 palmate about 3-lobed, fruit glabrous pear-fqrra. 

 * Carex. 



Order IV. Tetrandria. 



Hippophae. Staminate flowers — calyx 2-part- 

 ed : corol 0. Pistillate flowers — calyx and corol 

 like the staminate: style 1 ; berry l-seeded. 16. 24 

 -^canadensis ^ (sea-buckthorn) leaves ovate. 



Myrica. Staminate flowers — ament oblong : ca- 

 lyx an ovate scale : corol 0. Pistillate flowers — ca- 

 lyx and corol like the staminate : styles 2 : drupe or 

 berry l-seeded. 50. 99 — cerifera^ (bay-berry) leaves 

 lanceolate slightly toothed. \ . — gale, (sweet gale) 

 leaves lanceolate slightly serrate. \i . 



Broussonetia. Staminate flowers — ament cyl- 

 indric : calyx 4-parted. Pistillate flowers — ament 



