812 NATURAL HISTORY OF PLANTS. 



elongated 3-bracteate peduncle and persistent calyx, ovoid, longi- 

 tudinally 2 -costulate; epicarp coriaceous, 2-valved; putamen char- 

 taceous, incompletely 2-locular; seeds descendent; cotyledons of 

 exalbuminous embryo straigbt flat;^ radicle short superior. — A small 

 tree ; coma loose ; brancbes tuberculate cicatrised ; leaves at summit 

 of twigs, alternate petiolate, digitate- 3-7 -foliolate; flowers (small) 

 axillary; male crowded cymose-fasciculate ; cymes contracted in 

 dense bracteate involucrate capitules ; female sub-solitary at external 

 side 3-bracteolate.^ {Angola.^) 



9. Boswellia Eoxb.* — Flowers hermaphrodite, 6-merous; calyx 

 gamophyllous, imbricated, 5-dentate. Petals longer, imbricated, 

 finally very patent. Stamens 10, subhypogynously inserted below 

 annular crenate disk, 2-seriate ; filaments free ; anthers introrse, 

 2-rimose. Germen sessUe, 2- or oftener 3-locular ; style short, stig- 

 matiferous capitate at apex, 2-3-lobed ; ovules collateral 2 (of Bur- 

 sera). Drupe 2- or oftener 3-agonal; angles obtuse shortly promi- 

 nent of thick wing-shaped [Triomma ; ^) exocarp finally 2-3-valved ; 

 pyrenas 2, 3, afterwards naked, inserted in central angle of wing, 

 finally solute. Seeds solitary in pyrenas compresso-marginate ; co- 

 tyledons of exalbuminous embryo, contortuplicate multifid. Bal- 

 samic trees ; leaves alternate imparipinnate, often collected at summit 

 of twigs, deciduous ; flowers in terminal or axillary recemes, sparsely 

 or richly composite-ramified. {South West. Asia, Malacca, Trop. 

 Northern Africa.^ 



10. Canarium L.'' — Flowers hermaphrodite or polygamous (nearly 

 of Balsamea), usually 3-, more rarely 4, 5-merous ; concave recep- 



1 " Viridibus." A. Rich. Fl. Abyss. Tent. i. 148, t. 33. — Oliv. 



2 A genus, whose place is very unoertain, Fl. Trop. Afr. i. 323. — Walp. Mep. i. 557 ; ii. 

 from description seeming to be nearly allied to 830 ; v. 419 ; Ann. ii. 288 ; vii. 546. 



fhe Fluphorbiacees. T Mantiss. 127. — J. Oen. 370. — G^ETif. 



3 Spec. 1, P. dactylophylla Welw. loc. cit. — Fruct. ii. 98, t. 102. — Lamk. Diet. i. 598 ; 

 Oliv. Fl. Trop. Afr. i. 328. Suppl. ii. 72, t. 812.— Kosn. in Ann. Bat. i. 



* PI. Coromand. iii. 4, t, 207. — K. m. Ann. 8c. 306, t. 7.— K. in Ann. So. Nat. s&T. 1, t. ii. 



Nat. ser. 1, ii. 350.— DC. Froclr. ii. 78. — Spach. 352. — DO. Prodr. ii. 79. — Spaoh. Suit, d, Buffon, 



Suit, d Buffon. ii. 233.— Endl. Gen. n. 5928.— ii. 240.— Endl. Gen. n. 6936.— B. H. Gen. 324, 



B. H. Qen. 322, n. 1. — Makch. in Adansonia, n. 7. — ^March. in Adansonia, viii. 26, 63. — 



viii. 23, 62.—Libanus Colebk. in As. Fes. ix. Pimela Lonu. Fl. Cochinch. (ed. 1790), 407. — 



377, t. 6, fig. 1. — Tlmslm Endl. Nov. Stirp. Colophonia Commers. MSS. (ex K. ho. cit.). — 



Dec. 39, n. 47 ; Icon. t. 119, 120 ; Oen. n. 5628. Canariopsis Bl. Mus. Lugd.-Bat. i. 219. — 



^ Hook. p. in Trans. Linn. /Soe. xxiii. 171. — Pachylobus Don. Gen. Syst. ii. 89. — Nanari 



B. H. Gen. 323, n. 2. Ecmph. ex Adans. Fam. des PI. ii. 343. 



^ Spec. 4, 5, Wight et Akn. Prodr. i. 174.— 



