Jl'iM I'OI.KMONIU.M FAMILY. 



P. viscida, cult from California as Ef/T<>< ,v vfsciDA : clammy all over 

 with dark glandular hairs, rather coarse ; leaves ovate, cut-toothed, short- 

 petioled ; racemes single terminatinj: the liraiiches ; corolla deep blue, 1' or less 

 wide,; pod many-seeded. (T) 



4. WHITLAVIA. ( Named by the lamented Professor Harvey for his 



t'ri.-nd Mr. \\'/iil/n.) Kl. summer. (T) 



W. grandiflbra. Cult, for ornament, from California: resembles Pha- 

 cclia viscidain growth and folia-''. but only slightly clammy, the roundish-ovate 

 or slui-ht'y heart-shaped leaves comely toothed, on longer petioles; raeemo 

 loose; corolla 1' or more lon^, violet-blue (also a white variety) ; stamens and 

 st\ le very slender and protruding. 



5. HYDROLEA. (Named from Greek word for water; the plants aquatic 

 or in wet places.) Fl. summer. 2/ 



H. quadrivalvis, of S. E. States, has hairy stems ; lanceolate acute leaves 



tapering to the base, and lanceolate sepals nearly as long as the corolla. 



H. affinis, of river-banks, from S. Illinois S., is smooth, with short-pctioled 

 lanceolate leaves, and ovate sepals as Ion;; as the corolla. 



H. ovata, of 8. W. States, lias soft-downy steins, ovate leaves, looser flow- 

 ers, and lanceolate villous sepals. 



82. POLEMONIACE^I, POLEMONIUM FAMILY. 



Chiefly herbs, with regular flowers, persistent o-cleft calyx, the 5 

 lobes of the monopetalous corolla convolute in the bud, 3-lobed 

 style, 3-celled ovary and pod ; the single, few, or many seeds in each 

 cell borne on the thick axis. Embryo straight in the axis of 

 albumen. Insipid and innocent plants, the juice watery. Nearly 

 all are N. American plants, many cult, for ornament. 



1. Erect or diffuse herbs, nut cH/n/>!n>/, nml with nothing resembling stlpitlt-s. 



1. PHLOX. Calyx narrow, prismatic or plaited, .".-toothed or 5-cleft. Corolla 



salver-shaped, with a lon<_c tube (Lessons, p. '.'0, tig. 255), in which the 5 

 short and unequally inserted stamens are included. Ovary often with 2 

 ovules, but the short pod with only one seed in each cell. Leaves entire and 

 ino-tly senile, the lower all opposite, upper often alternate. 



2. CILIA.' Calyx tubular or bell-shaped, 5-cleft. Corolla of various shapes. 



Stamens equally 1 inserted and projecting from the throat of the corolla, not 

 declined. Ovules and seeds several in each cell. Leaves either entire, cut, 

 or divided. 



3. POLKMONM'M. Calyx bell-shaped. Corolla open-bell-shaped or short-funnel 



form. Stamens slender, like those of Cilia, but declined, hairy-appendaged 

 at the base. Leaves pinnate, alternate. 



2 Tall-climbing by compound ttndi-ils on tie pinnate leaves: lowest leaflets close 

 to the stem, unlike the otlu-rs, iiiiitntimj stijntU-it. 



4. COB^EA. Calyx of 5 l:ir-re leaf-like division-;, the margins of which, applied 



each to each, appear like 5 win^-d an.irles. Corolla Bell-shaped, with short 

 nnd broad .-pivadinir lolies. Stamens decline,!. A fleshy disk around the 

 ha-e of the ovary. Seeds numerous iu each cell of the pod, winded. Pe- 

 duncles axillary, 1-llowered, le-ily-liracted near the base, naked above. 

 Leaves alternate. 



1. PHLOX. (Greek fnr_fl<ime, anciently applied to Lychnis, and transferred 



to the-c North American plants.) 



1. Cultivated Jbr ornament from Texas : fl. all summer. 



P. Drurnmondii. From thi- come all the annual Phloxes of the gardens : 

 rather low, branching and spreading, somewhat clammy-pubescent, with co- 

 rymbs of purple, crimson, rose-colored, or even white, showy flowers. 



