3St LXXX. BORAGlNEyE. 



iuliuLitiiig the temperate regions of the northern licmispliere ; auc! one only {Halgank) is 

 eiuleniic in Australia. The Order difTers from Verbenacese and Labiatte in the more 

 regular and isomcrous flowers ; from Solanese in the ovules, 1 or 2 only to each carpel ; from 

 ConvolvulacesCj besides the habit, in the flat or rarely folded, not contortuplicate, cotyletlons. 

 'J'he two great tribes into which it is divided are separated by the same character which dis- 

 tinguishes Verbenacesc and Labiate; but in the case of 'Boraginese the passnge i3 too 

 gradual to admit of the adoption of two distinct Orders ; Trichodesma, for instance, has 

 the entire ovary and terminal style of Ehretia and Ralgania^ with the 4 nuts and much of 

 the habit of Boragese ; and HeliotropiiiTU^ so closely connected with Touniefortia by the 

 style, has the ovary sometimes almost as much lubed as in Boragese. 



Trice I. Cordiese. — Ovart/ entire {sometiwes lohed in Heliotropium), with a ierminsl 

 sfijle. Trees shruhs or herbs. Fruit drupaceous or dry. 



Fruit a drupe, indivisible or separable into pyrenes. Trees shrubs 

 or woody climbers (rarely herbs in species not Australian). 



Style twice forked 1. CORIMA. 



Style 2-lobed, without any thick ring 2. Ehretia. 



Style simple, with a fleshy ring round the entire or slightly 



2-lobed summit (the ring deficient in T. sarmerdosd) ... 3. Tournefortia. 

 Fruit dry (except in Ralgania), separable into 4 nuts or into 2 

 2-seeded carpels. Herbs midcrshrubs or low shrubs. 

 Style 2-lohed. Prostrate herb with lohed leaves ..... 4. Coldenta. 

 Style simple with a fleshy ring round the summit or at the base 



of a terminal eone or point 5. IIeltotroftum. 



Style simple, filiform, with a minute stigma. Anthers exserted, 

 connivent in a long cone or cylinder. 

 Fruit separable into 2 2-celled* carpels. Seeds albuminous. 



Anther-points straight 6. IIalgaMA. 



Fruit 4-lobed, the lubes forming separable nuts, the centre 



undivided and persistent. No albumen. Anther-points 



long and twisted 7. TrichodesjtA. 



Tribe TL Boragese.— Ot'^r^ 4- or 2-Iobed, the style inserted between the loks.and 

 more or less lateral with reference to the car-pels. Kerbs, very rarely On species no 

 AiistralianJ shrubby. Fruit sejmrable into 4^ or 2 smalt nuts. 



Corolla rotate. Anthers exsertcd and conuivent in a long cone or 



cylinder # Boeago. 



Corolla oblique. Anthers esserted, t'he stamens unequal ... * Echium. 

 Corolla with a cylindrical (sometimes very short) tube and spread- 

 ing Innb. Anthers included or, if exserted, equally so. 

 ^uts attached by a broad concave base to the slightly convex 



receptacle. Corolla- throat closed by very prominent scales . * Anchusa. 

 Nuts erect, attached by a small base to a slightly convex recep- 

 tacle. 



Corolla-throat without any scales * LiTHOSPEEy^'^- 



Corolla-throat with small scales. Nuts small very smooth 



and shining . • 8. Mtosotis. 



Nuts erect, obliquely attached to the" shortly pyramidal* torus! 



Corolla Without scales. Nuts reticulate . 9. EkitkichiuK. 



Nuts erect laterally attached to the narrow conical receptacle. 



Lorolla-scales small or none. ^ 



Nuts 4 10 EchinospeRmU- 



"^S -^ ••-.... . 11. KOCHELIA. 



Nuts depressed, spreading, obliquely attached' to' the 'convex 



receptacle "^^ -jo. Cynoglosslm* 



The introduced plants belonging to the genera marked above with the asterisk * are the 



lollowiug: — ° , 



Borayo oJicinaUs, Liun. ; DC. Prod, i. 35. A rough hispid erect annual or biennial*' 



