BORAGINACEAE— GENTIA'. 



• 



1. Flowers white, at least within, op 



2. Flowers usually some shade ol i 



a. I le, dei urrent ; Rowers r< d 01 pui 



b. Leaves stalked ; flowers yellow Ish i 



Petunia Petunia 



(Nativ< 

 Leai es o^ ate, hairy, rtearl) si sile ; flowers 



Boraginaceae — Borage Family 

 Herbs with simple alternate leaves, often rouj 

 5, ovary 4-celled or deeplj 4-lobed, separating at matu 

 syncarpous, sympetalous, hypogynous, regular, or irregu 



1. ( (vary divided into 4 parts 



a. Corolla regular 



(1) Corolla wheel-shaped, tube lacking 



(2) Corolla more or less tubular, with 



throat 



(a) Flowers blue to purple 



x. Nutlets bur like, with hooked prickles 

 y. Nutlets smooth 



(b) Flow ers j ellow ish \\ hite 



b. Corolla irregular 



2. Ovary entire, but the ripe fruit separating into 2 or 4 i 



rago — -Borai 



i Supposed to i»' from corago. bi ■ 

 Leaves oval to lance-oblong, bristly; flowers blue to purple 



Cynoglossum — I [oundsb •• 



(Gr. kynos, dog, gloss.i. I 



Leaves spatulate to lance-oblong, downy, flowers red purple 



Anchusa — Alkanet 



< i '.i enchusa, alkai 

 :s lance-ovate, rou^'h : flowers lai 



nphytum- I 



(Gr. symphyton, comfrey, from symphyo, to ui 

 Leaves lance-oblong, soft-hairy, decurrent 



I [eli< itropium — 1 [elii >tr< ipe 



(( ir heliotropion, a plant 



1. Corolla tube hardly longer than the calyx 



2. Corolla tube twice longer than the calyx 



Gentianales Gentian Order 



Gentianaceae — Gentian Family 

 Herbs with opposite simple i i 

 4-5, alternate with the corolla lobe . 

 capsule : flower syncarpous, symj 



1. Corolla tubular, blue : flowi 



2. Corolla w heel shaped, gr< • n . flov i 



( i( nl 

 (Nan 

 I. C rol 

 2 Corolla lobes not frii . 



