294 HYDROPHYLLACEAE. 



form or more or less spreading. Stamens 5, Inserted on 

 the tube or base of the corolla and alternate with Its 

 lobes; filaments filiform; anthers versatile, 2-celled, 

 longitudinally dehiscent. Ovary superior, 2-celled or 

 1-celled with 2 placentae; styles 2, separate or united 

 below; stigmas small, terminal; ovules few-many. 

 Seeds various, usually pitted or somewhat roughened. 



Style 1, 2-cleft or 2-parted. 



Ovary 1-celled; the placentae expanded and 

 forming a sac-like lining to the pericarp. 

 Calyx with a reflexed lobe at each sinus. 1. Nemophila. 

 Calyx naked at the sinuses. 2. Eucrypta. 



Ovary 1-celled or becoming 2-celled by the 

 meeting in the axis of the narrow or 

 slightly dilated placentse. 

 Corolla never yellow, or rarely yellowish, 



deciduous. 3. Phacelia. 



Corolla yellow, persistent. 4. Emmenanthe. 



Styles 2, distinct. 



Herbs. 5. Conanthus. 



Suffrutescent or shrubby. 6. Eriodictyon. 



1. NEMOPHILA Nutt. 



Low diffuse slender or fragile more or less hirsute 

 annual herbs, with alternate or opposite mostly pln- 

 natlfid or lobed leaves, and mostly showy flowers, solitary 

 and peduncled, lateral or terminal. Calyx deeply 5- 

 cleft or 5-parted, with a reflexed or spreading appendage 

 In each sinus. Corolla campanulate or rotate-cam- 

 panulate, usually with 10 small appendages within at 

 the base. Stamens included, inserted near the base of 

 the corolla-tube; anthers ovate or oblong. Ovary 1- 

 celled; style more or less 2-cleft; ovules 4-20. Capsule 

 2-valved. Seeds carunculate. 



Leaves retrorsely scabrous with prickly hairs. 



Corolla 12-25 mm. broad, deep purple. 1. N. aurita. 



Corolla less than 10 mm. broad, usually pale. 2. N. racemosa. 

 Leaves glabrous or pubescent, not scabrous and 

 prickly. 

 Corolla usually deep blue, 12-15 mm. broad. 3. N. insignis. 

 Corolla pale with purple veins, less than 10 



mm. broad. 4. N. integrifolia. 



1. N. aurita Lindl. Herbage scabrous with stout recurved 

 prickly hairs, the smaller often uncinate; stems weak, cHnging to 



