464 NATURAL HISTORY OF PLAN'18. 



(pedicels not sessile) ; pedicels articulate bracteolate. ( Tropical 

 America.) See p. 438. 



33. Diplopterys A. Juss.' — Flowers nearly of Hirea ; calyx 8- 

 glaudulose. Petals uuguiculate not fimbriate. Stamens 10, glabrous ; 

 connective incrassate papillose. Germen 3-lobed ; branches of style 

 sbort, truncate at stigmatose apex. Samarse 3, dorsally produced to 

 thick ligneous wings or keels ; dorsal wing crestlike ; the two lateral 

 confluent at base and apex. Other characters of Hirea. — A scandent 

 shrub ; - leaves opposite entire exstipulate ; flowers ^ in spurious 

 axillary short-umbels, 4-florous, often 2-nate; pedicels very short 

 bracteate, 2-bracteolate. [Guiana.*) 



34. Tetrapterys Cav.^ — Flowers nearly of Hirea; calyx 8-10- 

 glandulose (or more rarely 0). Petals dentate or subintegrate. 

 Stamens 10, five of which are longer ; anthers glabrous or hu'sute. 

 Germen 3-lobed; branches of style truncate at stigmatos.e apex. 

 Samaras 1-3, produced at margins to 4 wings, cruciately divergent, 

 more or less cristate at back. Other characters of Hirea. — Shrubs 

 often scandent ; leaves opposite entire eglandulose generally lucid 

 stipulate ; flowers " in terminal oftener very ramose compound-cymi- 

 ferous racemes ; pedicels articulate ; bracts and bracteoles sometimes 

 foliaceous. [Tropical America.'^) 



35. Triopterys L.^ — Calyx 8-glandulose. Petals unguiculate 

 subentire. Stamens 10 ; anthers glabrous. Germen 3-lobed ; 

 branches of style short, truncate at stigmatose aj^ex. Samaraj 1-3, 

 3-alate ; the two superior wings, marginally ascendent, with the 

 third inferior descendent confluent in one unequally-3-lobed finally 

 membranous-subligneous ; dorsal crests short (or 0). Other characters 

 of iy«'tfa.— Scandent shrubs ; leaves opposite eglandulose glabrous 



1 Deless. Ic. Sel. iii. 20, t. 33; Malpit//,. 323, 116 {Ti iopUri/s).—}!. B. K. Not: Gen. et Spec. 



t. 20.— Endl. Gen. n. 5567.— B. H. Gen. 260, v. 168.— A. Ji'ss. A. S. H. Fl. Bras. Mer. iii. 



n. 41. 6, t. 161, 162.— TuKCZ. Bull. Mose. (1858), 



- Becoming black as it driea. i. 394. — Gkiseb. Mart. Fl. Bras. Malpigh. 75, t. 



' Golden. 13-17. — Tii. et Pl. Ann. Sc. Nat. ser. 6, xviii. 



■* Spec. 1. D. Baralias A. Juss. loc. cit. — 332. — Walp. Hep. t. 300 ; Ann. ii. 204 ; iv. 



Walp. Rep. V. 339. — Mima longifoUa Eicii. — 371 ; Tii. 474. 



J7. mncronata Rich. (A. Juss.). ' Oen. n. 574. — J. Gen. 253. — Lamk. III. t. 



5 DisK. 433, t. 260-262.— A. Xuss. Malpit/h. 382.— PoiR. Biet. vii. 103 (part.).— DC. Pmt/r. 



263, t. 18.— Spacu, 5hi<. d Buffon, iii. 142.— i. 586.— A. Juss. jl/fl//;/;//!. 260, t. 18.— Spach, 



EsDL. Gen. n. 6574.— B. H. Oen. 260, n. 39. Suif. a Biiffun, iii. 141.— Exdl. Oen. n. 5573.— 



' Golden or reddish. B. U. Gen. 259, n. 38. 



' Spec, about 50. GiERTN. Friict. ii. IGb. t. 



