ULMACE2E. 189 



2-stichous, sometimes spinescent; leaves i alternate, 2-stichous, 

 crenato-serrate and other characters of Planera ; buds perulate ; 

 flowers 2 coetaueous ; the male in crowded cymes; the female few 

 or solitary axillary. 3 (Crete, Caucasian region, lemp. east. Asia, 

 north. China.*) 



5. Celtis T. 5 — Flowers polygamo-monœcious, 2-morphous. Se- 

 pals 5, or rarely 4, much imbricated, iu female or hermaphrodite 

 flower deciduous. Stamens same in number opposite ; filaments 

 free (longer in male flower), incurved in œstivation and more or less 

 clearly elastically dissilient and at anthesis rigidly divergent ; 

 anthers introrse, before anthesis connivent in centre of flower ; 

 cells sometimes swollen at base, longitudinally rimose. Germen 

 (in male flower rudimentary or 0) girt at base with pilose annular 

 disk, 1-locular; style branches 2, thickly subulate wide recurved, 

 entire or at apex emarginate or dilately 2-lobed (Solcnostit/ma 6 ) ; lobes 

 linear (Momisia 7 ) or sometimes (Momisiopsis s ) 2-fid, densely stig- 

 matose within ; ovule inserted under apex of cell descending 

 amphitropous ; micropyle extrorsely superior. Fruit drupaceous 

 naked, oftener globose ; flesh generally scanty ; putamen more or 

 less rugose, 1-spermous. Seed descending amphitropous ; coat thin ; 

 cotyledons of much incurved embryo foliaceous wide unequally 

 conduplicate cucullately replicate and corrugate ; one enfolding 

 the other, enclosing the incumbent and ascending radicle ; albu- 

 men slight between the folds of the cotyledons mucous or 0. — 

 Trees or shrubs, unarmed or spinous ; leaves alternate, 2-stichous, 

 persistent or caducous in winter, oftener unequal-sided at base, 

 entire or dentate, 3-plinerved; stipules free; flowers 9 axillary 



1 Nearly of Carpinus, caducous or deciduous. — Schkuhr. Handb. t. 354. — Lamk. Diet. iv. 136 



2 Small, inconspicuous. (part.) ; Suppl. iii. 688 ; III. t. 8-44. — Nees, Gen. 



3 A genus hence between Ulmus and Planera, ii. 35- Spach, Suit, à Buffo», xi. 122. — Endl. 

 thence between Otitis. Gen. n. 1851. — Payer, Finn. Nat. 168. — Pl. 



* Spec. 4. Bauk. Pinax. 373 {Pseudo-San- Ann. Sc. Nat. sér. 3, x. 262 ; Prodi: xvii. 168 



talum. — Lamk. Diet. i. 725, (Qaercus). — Smith, (incl. : Mertensia K. Momisia Dumort. Solcno- 



Trans. Linn. Soc. (1808), 126. — Eœm. et Sch. stigma Endl.) 



Syst. vi. 304 {Planera).— Sibth. et Sm. Prodr. 6 Endl. Prodi: Fl. Norfolk. 41.— Bl. Mus. 



Fl. Grtcc. i. 172 {Ulmus).— Michx. p. Mèn. sur Lugd.-Bat. ii. 67.— Pl. Prodi: 182. 



le Zelkova (1831). — Lindl. Gardn. C/iron. ' Dumort. Anal. Fam. 17. — Mertensia H. B. 



(1861), 428 {Planera).— Mia. Ann. Mus. Luyd.- K. Nov. Gen. et Spec. ii. 3, t. 103.— Endl. Gen. 



Pat. iii. 66 {Planera). — Hance, Seem. Journ. n. 1853. — Pl. Ann. Sc. Nat. sér. 3, x. 264 ; 



vi. 333 (Planera). Prodi: 186. 



s Inst. 612, t. 383.— L. Gen. n. 1143 (part.)— 8 Bl. Miis. Lugd.-Bat. ii. 69. 



J. Gen. 408 (part.)— Gjkutn. Fruct. i. 374, t. 77. 9 Greenish or yellowish. 



