range of forms with similar floral conslruction ; leaves opposite, flowers pentamerous, 

 more or less zj-gomorphic, stamens 4, carpels 2 median ; the ovary generally with 2 

 ovules per loculus, and separating 4 cocci, dry or succulent ; without the gynobasic 

 style of the Labiatae. 



Cf. a wider range in : — 



Vitex Negundo, a deciduous shrub of drier regions and waste places, planted 

 in liedges, &c. Flowers small, violet, in elongated terminal panicles of opposite 

 cymes; corolla^ in. diam., 2-lipped ; Fruit a drupe, sclerocarp 1-4 seeded. 



V. alfissima, a large evergreen tree of ^^^ Ghats: Flowers white, drupe |- in., 

 also ]\ pubescens and V. Iciico.xyloii, deciduous, of S. India, with axillary cymes onlv, 

 and small drupes similarly 4-locular : cf. Clerodmdron, Aloysia (Hort.). 



Tectona grandis, Teak, a large tree in mi.xed deciduous forest of both Penin- 

 sulas, 150-190 ft. with 100 ft. bole, and 7-8 ft. diam. ; Leaves opposite, lamina 1-2 ft., 

 with grey stellate tomentum, on quadrangular shoots : Inflorescence as terminal 

 erect panicles (1-3 ft.), conspicuous in the rainy season, of small white flowers, 

 actinomorphic, 5-6 merous, with 5-6 stamens, fly-pollinated. Fruit a hard nut, 

 indehiscent, with corky ape.x and felt of hairs, further enclosed in the dry saccate 

 persistent calyx (i-i-| in. diam.), 4 seeds included: dispersed by water-flotation; 

 in germination the sclerocarp splits off i or more ' valve '-pieces laterally, 1-4 seedlings 

 from a nut. 



Gmelina artorea, a large deciduous tree (100 ft.) of Sub-Himalja, &c. ; 

 Flowers yellowish-brown, pentamerous, all parts softly hairy; corolla i-i^ in., zygo- 

 morphic. Fruit a yellow drupe, i in., taken by cattle ; sclerocarp dehiscing by 

 valves. 



Avieennia oflttcinalis, a large evergreen tree, halophytic in Mangrove Zone 

 (Sundribans, &c.), common and often gregarious, with respiratory roots. Leaves 

 with silvery tomentum ; flowers small, 10 mm., yellow, zygomorphic, stamens 4 ; ovary 

 4-locular, 4 ovules suspended from central placenta. Capsule dehiscing by 2 woody 

 valves, i-seeded only, and the seed often more or less viviparous; seeds floating and 

 germinaring, young plants fixed in mud by stiff recurved hairs on the hypocotyl. 



Lantana aculeata, a Verbena-like spinous shrub of S. Amer. (Hort.) ini re- 

 duced and a pest in S. Ind. and Ceylon. Flowers, 5 mm. pink to orange-yellow ; 

 fruit a small black drupe, 6 mm., taken by birds. 



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