LEUCAENA. 



LEGUMINOSAE. 587 



pinnas inferiores et foliola ullima raagis minusve conspicuae. Pinnae inler se 

 distanles. Foliola opposita remota, in pinnis inferioribus saepius bijuga, in 

 ultimis 3-4-juga, l'A-2 poll. longa, basi oblique angustata subcoriacea penni— 

 nervia et insigniter reticulato-venosa, breviter peliolulata, inferiora saepius multo 

 minora. Racemi axillares 3-4-pollicares, terminalis pedalis, polycephali. Rha- 

 chis crassa leres. Rracteae breves latc orbiculalae fusco-membranaceae. Pe- 

 dunculi in axillis bractearum complures 2-4 lin. longi crassi subangulali. Capitula 

 iis Acaciae sphaerocephalae haud dissimilia, suffulla bracleolis 4 fusco-membra- 

 naceis Iate orbiculatis flore brevioribus. Flores numerosissimi densissime im- 

 bricali. Rracteolae subulatae, apice peltalae cilialae. Calyx tubuloso-campa- 

 nulatus membranaceus 3 A lin. longus hirlellus brevissime quinquedentatus. Co- 

 rolla vix calycem excedens. Stamina 10 corolla paullo longiora. Antherae pilosae. 

 Leguraen ? — Crescit in Mexico ad Acapulco. 



XIX. XYLIA Bth. 



(Rih. in Hook. Journ. of bot. IV. 417. - Wlprs. Repert. bot. syst. I. 884. *) 



Calyx, corolla et stamina fere Leucaenae. Legumen sessile oblongo-fal- 



calum compressum, utrinquc angustatum lignosum, intus inter semina 



septatum, seminibus transversis funiculo crasso carnoso brevi affixis. — 



Arbor Indica: foliis bipinnatis; capitulis florum racemosis axillaribus. 



1. X. (INGA Grah. in Wall. Catal. 5279.) DOLABRIFORiMIS Bth. I. c. - (Wlprs. 

 1. c. *) — Arbor elala inermis glabra vel partibus junioribus tomentoso-puberula. 

 Stipulae parvae. Folia bipinnata, pinnis unijugis. Glandula elevata nunc ob— 

 scura inler pinnas. Foliola 2-6-juga, exlima saepe semipedalia, inferiora multo 

 minora, penninervia, supra glabra nitida, subtus minute puberula vel gl.ibra. 

 Pcdunculi fasciculati axillares vel subracemosi 2-3-pollicares. Capilula globosa 

 lomentosa, magnitudine fere eorum Leucaenae glaucae, floribus dense imbricalis 

 pallide virescentibus. Calycis dentes calloso-incrassati. Corolla calyce paullo 

 longior omnino Leucaenae, Legumen 4-5-po!licare, l'A-2 poll. latum. — Mi- 

 mosa {Acacia Willd. Spec. plant. IV. 1055. - Inga DC. Prodr. II. 439. no. 79.) 

 ccylocarpa Rxb. Pl. Coromand. I. 68. t. 100. — Inga lignosa Grah. in Wall. Calal. 

 5278. — Mimosa Acle Rlanco, Flora des ilas Filipinas 738. — Crescit in India 

 orientali et in Philippinis insulis. 



Tribus III. ACACIEAE Bth. in Hook. Lond. journ. of bot. I. 318. 

 Calyx et corolla aestivatione valvata. Stamina indefinita libera vel mo- 

 nadelpha. Pollinis granula in massas 4 vel G in quoque loculo antherarum 

 agglomerata, in quaque massa 10. 



XX. (6834.) ACACIA Willd. 

 (Rlh. in Hook. Lond. journ. of bot. 1.318. — Wlprs. Repert. bot. syst. 1.884. 11.905. 

 — [DC. Prodr. II. 448.]) 

 Flores saepius polygami. Sepala 3-5 in calycem campanulatum coalita 

 vel libera. Petala totidem magis minusve coalita, rarius demum libera. 

 Stamina numerosa (saepius ullra 50) Iibera vel ima basi in cupulam brevem 

 vel in discum perigynum brcviter irregulariter coalita, rarius (in floribus 

 masculis) in columnam centralem congesta, nec in tubum cylindricum mo- 

 nadelpha. Legumen varium, saepissime siccum. — Arbores vel frulices, 

 rarissime (A. hirta) herbae: folia omnia vel sallem primordialia bipinnata, 

 caulina in Phyllodincis ad peiiolum foliiformem simplicem reducta vel in 

 Aphyllis omnino nulla. Glandulae in Bipinnatis ad petioli marginem 

 superiorem, peliolares infra jugum infimum pinnarum majores, jugales mi- 

 nores vcl saepius paullo infra pinnarum paria superiora vel omnia et non- 

 numquam inter foliolorum paria suprcma. In omnibus tamen Filicinis 



74* 



