Borraginaceae 89 



Subfamily Polemonioideae. Herbs. Embryo green, 

 with ovate or linear cotyledons. 



Tribe Polemonieae. Flozvers actinomorphic. 

 Only British genus (Leaves pinnate. Corolla almost 

 rotate) : Polemonium. 



Suborder 2. BORRAGININEAE. As Convolvulineae, 

 but micropile facing upwards. Fruit often separating into 

 mitlets. 



Fam. 3. Borraginaceae. Mostly hispid herbs. 

 Leaves alternate, undivided. Floivers in cincinni, 5- 

 merous, mostly zygomorphic. Corolla often with Jiollow 

 folds opposite the lobes. Stamens with short filaments 

 and often subulate anthers. Carpels (2), each with two 

 anatropous ovides. Ovary usually 4-loc by false septa, 

 4-lobed. Style i, arising from between the lobes. 

 Stigma simple or bifid. Frint usually dividing into 

 four nutlets. 



Subfamily Borraginoideae. Ovary deeply lobed. 

 Fruit of four or fewer i -seeded nutlets. Endosperm 

 absent. 



Tribe i. Cynoglosseae. Nutlets inserted by broad 

 ventral surfaces on to conical axis, their tips not pro- 

 jecting beyond point of attachment. 



Corolla rotate. Nutlets glabrous with inrollcd 

 borders. *Omphalodes. 



Corolla funnel-shaped. Nutlets with hooked bristles. 



Cynoglossum. 



♦Tribe 2. Eritrichieae. Tips of nutlets projecting 

 beyond narrow point of insertion. Axis conical. 



