44 CLASS VIII. ORDER IIL 



tals 4, oblique, inserted on the calyx : anthers de- 

 clined : capsule 4-celled, within the calyx, setose : 

 seeds numerous, cochleate. 17. 90 — -virginica^ 

 (deer-grass) leaves 3-nerved, ciliate-serrate. 11 . p. 



Acer. Polygamous. Calyx 5-cleft : corol 4 or 

 5-petalled: samaras 2, united at the base, 1-seed- 

 ed. 23. 66 — saccharinum, (sugar-maple) leaves 

 acuminate-toothed, S-lobed-palmate, sinuate, base 

 sub-cordate. ^ . y.-^rubrum, (soft-maple) leaves 

 sub-5-lobed, gash-toothed, unequally. 1^ . r. 



Jeffersonia. Calyx 5-leaved, coloured, cadu- 

 cous : corol 8-petalled : capsule obovate, sub-pe- 

 duhcled, 1 -celled, dehiscent below : seeds many, 

 oblong, arilled at the base — diphylla (twin-leaf) 

 stemless, peduncle naked, 1 -flowered, ^.w. 



DiRCA. Calyx o: corol tubular, limb obsolete, 

 unequal : stamens longer than the tube of the co- 

 rol : berry, or drupe, 1- seeded. (The corol may 

 be taken for a coloured calyx.) 31. 25 — palustris, 

 (leatherwood) leaves oval, flowers axillary, 2 or 3 

 in a hairy bud-like involucre. \ , w. 



Tropoeolum. Calyx 4 or 5-cleft, coloured, 

 spurred : petals 4 or 5, unequal : nuts leathery, 

 sulcate. 23. 73 — ?najus, (nasturtion) leaves pel- 

 tate. %, y. e. 



* Chrysosplenium varies into the 2d order of 

 this class. 



Order III. Trigynia. 



Cardiospermum. Calyx 4-leaved : petals 4.: 

 nectary 4-leaved, unequal : capsules 3, connate, in- 

 flated. 23. 65 — halicacabum^ (heart-seed) climbing, 

 leafets gash-lobed. ©. w. 



Polygonum. Calyx inferior, 5-parted, colour- 

 ed : corol o : seed 1, angular, covered with the 

 calyx. (Stamens and pistils vary in number — The 

 calyx in some species might be taken for a corol.) 

 12. 2S'^aviculare, (knotgrass) flowers axillary, 



