SYSTEMATIC ARRANGEMENT OF ANGIOSPERMS. 3-33 



Family Polemoniaoese (Phloxes) : Herbs (and sbrabs) with alter- 

 nate or opposite leaves ; corolla-lobes contorted ; ovary tricarpellary, 

 3-celled ; ovules 2 or more. (Sp. 150.) 



Family Hydrophyllacese (Hydrophylls) : Herbs witb radical or alter- 

 nate (rarely opposite) leaves ; corolla-lobes imbricated (or contorted) ; 

 ovary 1- or incompletely 2-celled ; ovules 3 or more. (Sp. 130.) 



Family Boraginaoese (Borageworts) : Herbs, shrubs, and trees with 

 alternate leaves ; corolla-lobes imbricated (or contorted) ; ovary bi- 

 carpellary, 4-celled, 4-lobed ; ovules .solitary. (Sp. 1235.) 



Family Convolvnlacese (Morning-glories) : Herbs, shrubs (and trees) 

 ■with alternate leaves ; corolla-limb more or less plicate (rarely imbri- 

 cated) ; ovary 2- (3- to 5-) celled ; ovules few. (Sp. 870.) 



Family Solanaceae (Nightshades) : Herbs, shrubs (and trees) with 

 alternate leaves ; corolla-limb more or less plicate (rarely imbri- 

 cated) ; ovary mostly 2-celled ; ovules many. (Sp. 1500.) 



SUB-OKDEK Gbntianlaes : CoroUa regular ; stamens alternate 

 ■with the corolla-lobes, and usually of the same number ; leaves 

 opposite (rarely alternate). 



Family OleaoesB (Olives) : Shrubs and trees (rarely herbs) with 

 mostly opposite leaves ; corolla- lobes valvate or ; stamens 3 (or 4) ; 

 ovary 3-celled ; ovules 1 to 3. (Sp. 300.) 



Family Salvadoracese : Shrubs and trees with opposite undivided 

 leaves ; corolla-lobes imbricate ; stamens 4 ; ovary 2-celled ; ovules 

 3. (Sp. 8.) 



Family Apocynaceae (Dogbanes) : Milky-juiced trees, shrubs, and 

 herbs with opposite simple leaves ; corolla-lobes contorted or val- 

 vate ; stamens 5 with granular pollen ; ovary 2-celled or the carpels 

 separating; ovules many. (Sp. 1035.) 



Family Asolepiadacese (Milkweeds) : Milky-juiced herbs and shrubs 

 ■with opposite (or alternate) leaves ; corolla-lobes contorted ; stamens 

 5 ■with agglutinated pollen ; ovary of two separated carpels ; ovules 

 many. (Sp. 1700.) 



Family Loganiaceae : Herbs, shrubs, and trees with mostly opposite 

 simple leaves ; corolla-lobes imbricated or contorted ; stamens 4 to 

 5 (or indefinite) ; ovary 2- to 4-celled ; ovules 1 to many. (Sp. 

 365.) 



Family Gentianaceee (Gentians) : Mostly herbs with mostly opposite 

 undivided leaves ; corolla-lobes contorted, valvate, or induplicate ; 

 stamens 4 to 5 (or indefinite) ; ovary usually 1-celled ; ovules many. 

 (Sp. 575.) 



SoB-OEDBK Personalbs : CoroUa mostly irregular or oblique ; 

 stamens fewer than the corolla-lobes, usually 4 or 3 ; ovules numer- 

 ous ; fruit mostly capsular. 



Family Scrophulariaceee (Fig^worts) : Herbs (shrubs and small 



