aS ct,Ass xn. order x. 



Lavate'ra. Calyx double, outer one 3-clef>; capsules many, seeds ndmrit- 

 ous. Ex. 



Stuart"ia. Calyx 5-parte(i ; petals 5; stigma 5-lobed ; capsule 5-celled, 5- 

 Valved; cells 1 or 2 seeded ; seeds long, ovate. S. 



Hope'a. Calyx superior, 5-cleft; petals 5; stamens united in 5 groups; styk 

 1; drupe 3-celled. (yellow-leaf.) S. 



Nuttal"lia. Calyx 5-cleft, simple; capsules many, 1-seeded, annular. S. 



Hale'sia. Calyx superior, 4-toothed ; corolla 4-cleft ; n Jt 4-sided, winged, 

 covered with bark; 2 to 4-t^elled, 2 to 4-seeded. (snow-drop tree.) »S. 



Sty'rax. Calyx inferior, bell-form. 5-toothed; corolla 5 to 7-parted ; stamens 

 6 to Ifi. united at the base, standirc, Ih the throat of the corolla; anthers oblongj 

 linear. ,5). 



Gordo'nia. Calyx connate at the beise, simple; 5-leaved; style 5-sided; stig- 

 inas5; capsule 5-celled, 5-valved; rfeceptacle columnar; cells 2-seeded ; seeds 

 winged. S. 



GossYP"iDM. Calyx double, outer one 3-cleft ; capsule 4-Celled ; seeds involve 

 ed in a tomentos^ mass, (cotton.) Ex. 



CLASS XVI. DIADELPHIA. 



ORDER Vi. HEXANDRIA. 



Coryda^'us. Calyx 2-leaved; corolla ringent, 1 or 2-spurted at the base; fila- 

 inents 2, membranaceous, each with 3 anthers; capsules silique-like, 2-valvedj 

 compressed, many-seeded. In soine species the stamens are separate, with 

 broad membranaceous bases, (colic-weed.) 



Dicly'tra. Petals 4, 2 outer ones equally spurred at the base ; pod 2-valvedi 

 many-seeded. (Dutchman's breeches.) 



Fuma'ria. Calyx 2 leaved, caducous; corolla irr&gular, spurred, or gibbouP 

 at the base of one petal; filaments 2, each with 3 anthers; capsules or silicle 

 drupe-like, l-celled, 1-seeded, not bpening by valves ; seeds affixed to the sid6 

 of the cell, (fumitory.) 



ORDER VIII. OCTANDRIA. 



Petalos"temon. Petals 5, nearly equal ; 4 petals alternating with the stamens, 

 and forming with them a cleft tube; legume included in the calyx, 1-seeded. S. 



Polyg"ala. Calyx 5-leaved, permanent, uhequal, 2 of the leafets wing-like, 

 larger, coloured; corolla irregular, (or J-athef calyx 3-leaved, corolla imper- 

 fectly papilionaceous ;) capsule obcordate, 2-celled, 2-valved ; keel of the corolla 

 sometimes appendaged; seeds hairy, (snake-root, milk-wort, low centaury, 

 mountain-flax.) 



ORCER X. Oecandria. 

 A. Legume without transverse divisions or partitions ; seeds numerous 



Pi'suM. Calyx with the divisions leaf-like, about equal; banner protruding 

 2-folds; style compressed, carinate, villose above; legume without down at the 

 suture, (pea.) 



Lathy'ruS. CalyX: with the 2 upper divisions shorter ; style flat, villose above, 

 broader towards the top ; stems mostly winged, leafets 2 or more, terminated by 

 a divided tendril, (sweet pea.) 5'. 



Vic'iA. Calyx emarginate above, 2-toothed ; 3 straight long teeth below ; ball-' 

 her emarginate; style bearded transversely on the lower side beneath the stig* 

 ma. (vetch.) 



Er"vum. Calyx 5-cleft; segments linear, acute, nearly equalling the corolla; 

 stigma glabrous ; legume oblong, 2-4-seeded. (creeping vetch.) 



Oro'bus. Style linear ; corolla long ; calyx obtuse at the base ; upper seg- 

 tacats deeper, often shorter, (bitter-vetch.) iS. 



Pha'ca. Eeel obtuse, style not pubescent; stigma capitate ; legume l-celled, 

 Inflated. «•. 



Phase'olus. Keel, stamens, Elnd style spirally twisted together ; legUmfe coto* 

 pressed, falcate; seeds sub-compressed, reniform. (bean.) 



Strophos"tyles. Glycine. Keel, stamens, and style spirally twisted together; 

 legume terete, With a longitudinal half-breadth partition, attached to one edge ; 

 seed reniform, sub-cylindric (wild-bean.) 



ii'pios. Glyci'ne. Calyx somewhat 2-lipped, truncate 1-toothed; keel of the 



