COHORTS ANU ORDERS. (BY THE EDITOR.) 



1001 



Ovary lobed. — Herbs ; leaves alternate, sim- 

 ple, narrow ; stipules minute or . . 346 



66. RHAMNEa;. Calyx-lobes valvate. Pe- 

 tals imbricate, small, concave, or 0. Sta- 

 mens usually perigynous, inserted on the 

 edge of the disk, opposite the petals. Ovary 

 free or adnate to the disk or inferior. — Trees 

 or shrubs; leaves alternate, stipulate . . 346 



67. Ampelideje. Calyx small, lobes im- 

 bricate. Petals valvate, caducous. Stamens 

 inserted outside the disk and opposite to 

 the petals. Ovary free, — Shrubs, usually 

 climbers ; leaves simple or compound, stipu- 

 late or not 349 



Cohort X. Sapindales. — Flowers often irregular and unisexual. Disk tumid, adnate 

 to the base of tbe calyx or lining its tube. Stamens perigynous or inserted upon the disk, 

 or between it and the ovary, usually definite. Ovary entire lobed or apocarpous ; ovules 

 1-2 in each cell, usually ascending with a ventral raphe, or reversed, or pendulous from a 

 basal funicle, rarely oo horizontal. Seed usually exalbuminous. Embryo often curved, or 

 crumpled. — Shrubs or trees ; leaves usually compound. 



68. Sapindacb^. Flowers often irregular. 

 Petals 4-5. or 0. Stamens fewer or more 

 than the petals, rarely as many. Ovary often 

 excentric. Embryo exalbuminous, usually 

 curved or spiral. — Leaves usually alternate, 

 simple or compound, stipulate or not . . 351 



69. AcEKiNE*. Flowers regular. Petals 

 4-5 or 0. Stamens as many as the petals or 

 more. Ovary central. Embryo albuminous ; 

 cotyledons folded or convolute.— Leaves op- 

 posite, usually simple, exstipulate . 363, 354 



70. HiPPOCASiANEiB. Flowers irregular. 

 Petals 4r-5. Stamens 6-8, deolinate. Em- 

 bryo large, exalbuminous ; cotyledons fleshy, 

 often connate.---Trees ; leaves opposite, com- 

 pound, exstipulate .... 363, 366 



71. Melianthb^. Flowers irregular. Pe- 

 tals 4 or 6, the fifth minute, Stamens 4, in- 

 clined. Embryo small, green, in copious al- 



bumen. — Herbs or shrubs ; leaves simple or 

 compound, usually stipulate . . 353, 358 



72. Sabiace^. Flowers regular, usually 

 ^ . Bracts, sepals, petals and stamens usu- 

 ally so whorled as to be more or less regu- 

 larly opposite to one another. Stamens free 

 or adnate to the petals, some often sterile. 

 Embryo with thick or rugose or membranous 

 and contorted cotyledons.— Trees or shrubs; 

 leaves alternate, often simple, exstipulate . 359 



73. TEEBBiNTHAGEa;, Flowers regular or 

 irregular, g or unisexual. Petals as many 

 as the sepals or twice as many, or 0. 

 Ovary 1-celled, with a 2-3-fid style, or 2-5- 

 celled ; cells 1-ovuled ; ovules pendulous 

 from a basal funicle, or attached to the inner 

 angle- of the cell. Fruit usually a drupe. 

 Seeds exalbuminous. — Trees or shrubs; 

 leaves various, exstipulate .... 360^ 



Series III. OALYGIFLOBAL. 



Sepals connate (rarely free), often adnate to the ovary. Petals 1-seriate, perigynous 

 or epigynous. Disk adnate to the base of the calyx, rarely tumid or raised into a torus or 

 gynophore. Stamens perigynous, usually inserted on or beneath the outer margin of the 

 disk. Ovary frequently inferior. 



Cohort XI. Eosales. — Mowers uisually ? , regular or irregular. Carpels 1 or more, 

 usually quite free in bud, sometimes variously united afterwards with the calyx-tube, or 

 enclosed in the swollen top of the peduncle ; styles usually distinct. 



* Ovules inserted on the inner angle of the 

 carpel, rarely hasal or parietal, 

 74. CONNARA0EJ5. Flowers regular. Sta- 

 mens definite. Carpels 1-5, free; ovules 2 



in each carpel, basal, orthotropous. Fruit a 

 follicle. Seeds often albuminous.— Trees or 

 shrubs; leaves alternate, compound, exsti- 

 pulate • ■ -364 



