334 



THE JOURNAL OF BOTANY 



Ovary 3-8 - celled Lasianthus 



Ovary 2-celled 



Flowers 2 or 3 together in involucrate cymes . . . . TJiiersia 



Flowers solitary, without involucre . . . . . . Mnrgdritoinis 



* Included in rsychotria by Bentham & Hooker. 



P^DEEIE^. 



Anthers obtuse, dorsi-fixed. Stipules, entire, caducous . . rccderia, inc. 



Lygodisodea 

 Anthers mucronate-acute. Stipules bifid, persistent . . Faderiopsis 



Anthospeemej^. 



Stamens inserted at base, or below middle of corolla-tube. 



Fruit pyriform, lealheiy, deeply costate, splitting in 2 cocci 



Fruit, a succulent berry-like drupe 

 Stamens inserted in throat or about middle of corolla-tube. 



Ovary hispidulous 



Ovary glabrous 



Corynula 



Nfrtera 



Kellofiia 

 MitclieUa 



Speemacoce^. 



Fruit a 2-locular drupe, neither dehiscing nor separating 



into cocci (sea-coast, Florida and West Indies) . . 

 Fruit dehiscent as a whole. 

 Dehiscence circumsciss. 

 Ovary 2-locular 



Ovary 3-4-locular : delicate herbs with minute tiowers 

 in small heads interspersed with chaffy bracts ; 

 peduncles long, slender 

 Dehiscence longitudinal. 



Fruit compressed parallel to septum : dehiscence from 



above downwards. Evicoid shrublets 

 Fruit not compressed : dehiscence from below upwards 

 Fruit separating into cocci. 

 Cocci quite indehi scent. 

 Cocci more than 2. 



Disc entire ; flowers homostylar 

 Disc 4-lobed ; flowers heterostylar 

 Cocci 2. 

 Cocci leave a persistent axis crowned by calyx ; fruit- 

 coat fused with seed 

 Cocci leave no axis ; seed free from fruit-coat 

 Calyx-limb 



Calyx-limb present . . : 



Cocci open at base 



Cocci dehiscent (one only in some S]}ermacoce spp.). 

 Seeds winged 

 Seeds unwinged 



Galie^. 



Calyx-lobes of appreciable size, lanceolate . 

 Calyx-lobes obsolete. 



Stipules = small hooked climbing organs. 

 Stipules indistinguishable from tbe leaves. 

 Flower with involucre (like a calyx) 

 Flower without involucre. 



Fruit dry ; flower usually 4-mcrous . 

 Fruit fleshy; flower usually o-merous 



Em odea 

 Mitracarp^nn 

 Per am a 



Psyllocarims 

 Stadia 



Eichardsonia 

 Schwendencra 



Cntsea 



Nodocarpaa 



Diodia 



Hemidiodia 



Emmeorhiza 

 S])ermacoce 

 [including 



Borreria'] 



Sherardia 



Didymcea 



Bellnmium 



Galivm 

 Rnbia 



