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LI. ROsACE.E. (J. D. Hooker.) 307 



Order LL ROSACESS. (By J. D. Hoojier.). 



Herbs, shrubs or trees. Leaves stipulate, i^arely opposite, simple or com- 

 pound. Floivej's usuall}^ bisexual and regular (very irre^ilar in Chrj/sobalanece). 

 Calyx-tube free or adnate to the ovary, limb usually 5-lobed, often bracteolate, 

 imbricate or valvate. Petah 5, rarely 0, inserted under the margin of the disk, 

 deciduous, usually imbricate. J>ii^. lining the calyx-tube or forming a ring at 

 its base. Stamens perigynous, indefinite (rarely 1, 5 or 10) in one or many 

 series, often connate and unilateral in Chrysohalarie^. ; filaments subulate or fili- 

 form, usually incurved in bud ; anthers small, didymous. Ovary of one or more 

 free or connate carpels, with free or connate styles, which are basal, lateral or 

 subterminal ; stigmas simple, penicillate or capitate ; ovules 1 or more in each 

 <^rpel. Fruit variable, oi achenes, or berries or drupes, rarely capsular. Sseds 

 ^rect or pendulous, testa membranous or coriaceous, albumen 0; cotyledons 

 Urge, plano-convex; radicle sho^i;. — Distrib. About 1,000 species, found in all 

 climates and countries, but chiefly in the temperate. 



CnRYsoBArANtrs IcAco, Liun, ; the Cocoa-plum of the West Indies is cultivated in 

 «>TUe parts of the Malabar Coast, but not frequently. 



* • • . . • • • 



A.. Carpels free or adnate to the side of the calyx-tube. 

 Tribe . I. Chrysobalanese. Floivers usually irregular. Carpel 1 j 



*tyle basal ; ovules 2, ascending. Fruit a drupe. Radicle inferior.— Trees or 

 . sl^ubs with simple quite entire leaves. 



C%x-tube elongate. Stamens many, unilateral. Ovary 2- 

 loeellate 1. Parinaritjm. 



Calyx-tube hhort. Stamens 2. Ovary 1-celled ... 2. Parastemon. 



Tribe II. Pruneee. Floivers regular. Carpel 1, mrely 2; style sub- 

 terminal, rarely basal ; ovules 2, pendulous. Radicle superior.— Trees or shrul>s 

 'With simple usually serrated leaves. 



Calyx 6-lobed. Petals d, large, glabrous. Carpel solitary . 3. Pruxtjs. 

 ^%x 5-10-toothed. Petals 5-8, minute or 0. Carpels 1 or 2. 



|)rupe erect, fleshy, with a bony stone 4. ^Iaddexia. 



^alyx 5-lO-toothed. Petals 5, minute or 0. Carpel 1. Drupe 



erect, coriaceous 5. Ptgeum. 



■^a'jx 5-lobed. Petals 5. Carpel I. Drupe inverted, style 



^^o~hasilar . 6. Prinsepia. 



Tribe III. Spir»». Flowers regular. Calyx ebracteolate. Stamens 

 p or more. Carpels 1-8 ; styles ventral or basal ; o\niles 2 or more, pendulou*^. 

 ^dicle superior.— Shrubs, rarelv herbs, with entire or seiTate simple or com- 

 P<>und leaves. ? J ^ 



7. Spir-?2A. 



Tribe IV. Rube®. Flowers remilar. Calyx ebraeteokte. Sta7nens 

 l^^. Bumerous. Carpels many : styles sub-basal or ventml : ovules 2, collateraV 

 pUulous. Fruit of many dry or fleshy carpels not included in the calyx-tube. 

 ^<^icle superior.— Usually shrubs, i\ith often compound leaves. 



8. RvBVS, 



Tribe V. PotentUle®. Flowers regular. Calyx iisuaUy bracteolate, 

 jSiy usuaUy numerous, rarely few. Carpels 1 or more; style short or 

 J;^ prolonged after flowering ; ovule solitary, ascending. Frmt of many 

 »hru?' ?ot included in the calyx-tube. Radicle superior.— Herbs or smail 



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