CLASS XXI. ORDERS VIII to XIII. 117 



with egret-like hairs. (Leaves having a tremulous 

 motion.) h • 50. 99 — iremuloides, (white poplar) 

 leaves heart-roundish abruptly accuminate scru- 

 late-toothed hairy edges — trefiiday (high poplar) 

 leaves round-oval smooth both sides, unequally sin- 

 tiate-toothed. (Young leaves downy.) — angulata^ 

 (bahn of gilead) leaves cordate obtusely hook-tooth- 

 ed glabrous, branches with winged angles — balsamU 

 fera^ (balsam poplar) leaves ovate close serrate whi- 

 tish or rusty beneath, stipules gummy, buds resi- 

 nous — dilatata^ (lombardy poplar) leaves deltoid, e. 



DiospYROs. Staminate flowers — calyx 4 to 6- 

 cleft dilated : coral pitcher-form, 4 to 6 cleft : sta- 

 mens 8, 16 or 29. Pistillate flowers — calyx and co- 

 rol like the staminate : styles 4-cleft : berry 8 to 12- 

 seeded. 18 41 — t;rr§*m/ana, (date plumb) leaves ov- 

 ate obtusish glabrous. %. w. 



Gleditschia. Perfect flowers— calyx 4-cleft ; 

 corol 3-petalled : pistil I : capsule legume-like. 

 Staminate flowers — calyx 3-Ieaved ; corol 3-petal- 

 led. Pistillate flowers — calyx 5 -leaved : corol 5 

 petalled. 33. 93 — triacanthos^ (honey-locust) leafets 

 lO-paired, leaves doubly-pinnate. \ . w. 



Datisca. Staminate flowers — calyx 5 leaved ; 

 corol : anthers sessile, about 15. Pistillate flow- 

 ers — calyx superior 2-toothed : styles 3 : capsules 

 S-angled, 3-horned 1-celled, pervious. 54. — hirta^ 

 (false hemp) leaves pinnate, stem hirsute. %.. 



Menispermum. Staminate flowers — calyx 2- 

 leaved : petals 4 or 6 outer and 8 inner : stamens 

 16. Pistillate flowers — corol like the staminate : 

 8 barren stamens : germs 2 or 3 : berries paired, 1- 

 seeded. 11. 77 — cawGf/ew*^, (moonseed) stem twin- 

 ing, leaves peltate cordate round angular. ^ . w. 

 — virginicum^ leaves sub-peltate cordate lobed pu- 

 bescent beneath ^2 w. 



