t 
84 HYDROPHYLLACE. 
3. POLEMONIUM. 
Tufted, more or less viscid: corolla funnelform: alpine..........+-+ igiciaiSveigiera eiaieisieies Ag ee 
Stems 1 to 3 ft. high: leaflets mostly an inch or more long.......6..cseeesaceeees 3, 4 
Slender, much branched: leaflets 2 to 4 lines long: annual.........0e+eeeeeceeeee oes G 
1 P. confertum, Gr. Small leaflets 2-3-divided: flowers in heads, 6 to 12 lines long. 
2. P. humile, Willd, var. pulchellum, Gr. Leaflets entire: flowers fewer. 
3% P. ccoruleum, L. Flowers blue, numerous, in a narrow naked panicle. 
4. P. carneum,Gr. Corolla salmon or flesh color, often over an inch long. 
Var. luteum, Gr. Corolla yellow, lobes (as in the species) broadly obovate, Oz. 
6. P. micranthum, Benth. Corolla whitish, nearly rotate, smalL 
HYDROPHYLLACKE. 
$3. Ovary and pod globose, 1-celled, lined with a pair of expanded placentse: corolla 
usually convolute in the bud. Herbs. 
* Stamens and style much exserted: calyx not enlarged in fruit: flowers in dense clusters or 
heads: leaves alternate: perennial. ........0. ccc cece cen ecccnccn cree wavcacssene i 
* * Stamens shorter than the corolla: calyx enlarging in fruit: flowers scattered or in loose 
clusters: lower and sometimes all the leaves opposite: annual: 
Calyx with reflexed appendages between the lobes.............0cscceeeecaceccenecs 2 
Calyx not appendaged: the lobes broad and obtuse: corolla white.........s.eeseees . 8 
§ 2. Ovary 1-2-celled: calyx deeply parted: corolla imbricated in the bud. 
Leaves all entire and opposite. ....c.esiccasscste casa niacnee ob dU eee RRA R Dees 4 
Leaves all or all but the lowest alternate simple or compound: style 2-cleft. 
Corolla deciduous, not yellow....... 0... cc ees eee cn cece cenc eens csnscees tose G 
Corolla persistant, yellow... 2... cc. cece eee c eens c eee ec cc eens seen ecceets 6 
Leaves mostly radical, long petioled, round-cordate, crenately 7-8- lobed. 
Style and stigma entire: cymes bractless, racemose.........-2-+ seseeeecee Soci ate 7 
Leaves and 1-flowered peduncles all radical: corolla lobes 5 to 7....... wiit-bina ease count siete 8 
§ 3. Ovary completely or nearly 2-celled: styles distinct, the tips thickened: corolla 
imbricated not appendaged: leaves simple. 
Woody at base or tufted: corolla narrow funnelform......cccccsececceccsecsncesas O 
Shrubs; leaves thick, toothed: cymes terminal............ Sdecesore ces bcssinssesece DO 
1. HYDROPHYLLUM, Tournefort. 
1 H. capitatum, Dougl. Leaves 5-7-parted, lobes 2-3-cleit. 
2. H. occidentale, Gr. Leaves 7-15-parted, lobes cleft, obtuse. 
Var. Watsoni, Gr. Aimost stemless, softer hairy. 
3. H. Virginicum, L. Leaves bright green, nearly smooth, 3-5-parted. 
