. The natural history of plants. Botany. 260 NATURAL HISTORY OF PLANTS. formerly confounded) in having an ovary with, two or three cells, sur- mounted by an equal number of distant styles, swollen at the summit into a stigmatiferous head. The ovary cells each enclose an ovule, directed like that of Spondias', and the fruit is a drupe with thick stone whose two or three cells each contain an exalbuminous seed. The two or three ^ known species of Sderocarya inhabit the warm regions of tropical and southern Africa, and have the flowers arranged in un- ramifled spikes, on the axis of which are arr
. The natural history of plants. Botany. 260 NATURAL HISTORY OF PLANTS. formerly confounded) in having an ovary with, two or three cells, sur- mounted by an equal number of distant styles, swollen at the summit into a stigmatiferous head. The ovary cells each enclose an ovule, directed like that of Spondias', and the fruit is a drupe with thick stone whose two or three cells each contain an exalbuminous seed. The two or three ^ known species of Sderocarya inhabit the warm regions of tropical and southern Africa, and have the flowers arranged in un- ramifled spikes, on the axis of which are arranged in gradation small bi- or tri-florous glomerules. II. BTJRSEEA SERIES. The most complete known type of the Bursera series (Fr. Gom- mart)^ is a plant of the Mascarene Islands, named by several authors B. oMusifoHa^. Its flowers (fig. 265-268) are regtdar and Bursera [Marignia) Fig. 265. Hermaphrodite flower {\). Fig. 266. Diagram. Fig. 268. Longitudinal Fig. 267. eection of flower. Flower, the perianth removed. polygamous. In those which are hermaphrodite we find a gamo- sepalous calyx, having generally five divisions whose prefloration is valvate or slightly imbricate. The petals are the same in number, valvate in the bud. The androceum is formed of two verticels of 1 GuiLUEM., A. Rich, et Pbrk. Fl. 152, t. 41 !^Spondias).—Sond. in ii«?!«a, xxiii. 26 {Sclerocarpa).—Hakv. et Sokd. Fl. Cap. i. 524—Olit. Fl. trap. Afr. i. 449.—Walp. Eep. y. 418 ; Ann. ii. 287; vii. 648. 2 L. Gen. n. 440.—J. Gen. S72.~ Diet. ii. 767 ; Suppl. ii. 812 ; III. t. 256.—Jacq. Stirp. Amer. 94, t. 66.—K. in Ann. Sc. Nat. ser. 1, ii. -DC. Frodr. ii. 77.—Tuep. in Diet. Sc. Nat. Atl. t. 264, 265.—Spach, Suit & Bvffon, ii. 239. —Endi. Qen. n. 6933.—B. H. Gen. 324, n. 6.— Baker, Fl. Maurit. 43.—Mahcb. in Adansonia, viii. 28, 64 (incl.: Dammara Gjertn. Elaphrium Jacq. Idea Al'Bl. Marignia Commers. Frotium BUKM.). 2 Lamk. Diet. ii. 768, n. 3
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