Order 91.— THE HYDEOPHYLLS. 263 



2.,M. arven'sis. Field F. Fls. in 2-Bided, leaflesa racemes. Plant hairy. Pedicels 

 twice as long a.s the open, equal calyx. Lvfe. ohlong-lanoe., acute. Eare. w. 



3 M. stric'ta. Bough F. Flowers in 2-sided racemes, which are leafy at their base. 

 Pedicels as long as the closed, 2-lipped calyx. Leaves oWoog. ■w. 



5. OJNOGLOS'SUM. Hound's-tongua 

 Calyx 5-parted. Corolla short, funnel-form, the throat closed with 5 

 ohtuse scales, lobes rounded. Nuts depressed, covered with short, hooked 

 prickles, fixed laterally to the base of the style. — Coarse herbs, strong- 

 scented, with the flowers in leafless, panicled racemes. June, July. 

 O. offlcina'le. Common, K Velvety. Stem leafy (l-2£). Flowers reddish purple. 

 O. vlrgin'icum. Stalked H. Hairy. Stem leafless above (2f.). Flowers pale blue. 

 C. Morriso'ni. Morrison's H. Hairy, leafy (2-3f.), wide-spread. Flowers whitish. 



Order XCI. HTDROPHYLLACB^. The Hydrophylls. 



Mostly herbs with alternate lobed leofoes, and regular hlmsh. flowers ; 

 calyx 5-cleft, usually with appendages at the clefts, persistent ; 

 corolla 5-lobed, often with 10 honey scales or furrows near the base ; 

 stamens 5, inserted into the corolla, with a single bifid style; 

 ovary simple, free,- 1-celled, with 2 usually projecting several-seeded 

 placentae. 



'Analysis of the Genera. 



1 Corolla with 10 honey scales inside, extending lengthwise 2 



1 Corolla destitute of honey scales. Stamens equalling corolla. Cosman'thds. 2 

 2 Fls. in coiled cymes, without bracts. Placentas large, fleshy. Htdrophtl'ltim. 1 

 2 Flowers in one-sided racemes, braotless. Placentae linear. Phaoe'lia. 



2 Flowers (mostly) solitary. Calyx very large. Leaves pinnatifid. Eliis'ia. 



1. HYDEOPHYL'LUM. Water-leaf. 



Sepals slightly united at base. Corolla campannlate, with 10 linear 

 honey scales running lengthwise, folded inward so as to form 5 grooves. 

 Stamens exserted. Pod globular, 2-celled, 1-4-seeded, with large, fleshy 

 placenta. — Handsome herbs, with the root leaves on long petioles, and 

 the flowers in clustered cymes, bluish or white. 



§ Calyx not appendaged. Stamens much exserted 1-S 



§ H. appendicula'tum. Appendaged W. Calyx appendaged at the clefts. Stamens 

 not exserted. W. S, 



