776 Hydrophyllaceae. 
p. 730. — Bot. Magaz., tab. 1880. — Phlox Sickmannii Lehm. Sem. 
Hort. Hamburg (1826), p.17. — Perennial, minutely pubescent or 
glabrous. Stems 6—12 dm. tall, branched above; leaves opposite, 
elliptic, elliptic-lanceolate or narrowly oblong-elliptic, 8—20 cm 
long, acuminate, undulate, narrowed into margined petioles or nearly 
sessile; panicles corymbose-pyramidal; calyx granular or sparingly 
pubescent; lobes subulate, shorter than the tube; corolla pink-purple, 
or white; tube about 2 cm long, 1,5—2 mm thick; limb 15—17 mm 
broad; lobes obovate or cuneate-obovate; capsules oval, 4—5 mm 
long. — Flow. March to April. 
M. ma. N. d. Often cultivated and sometimes naturalized. 
Originally from North America. 
93. Hydrophyllaceae. 
Flowers regular. Calyx free, of 5 divisions. Corolla with a 
short or rarely elongated tube, and 5 spreading lobes, imbricate 
and sometimes contorted in the bud. Stamens 5, inserted at the 
base of the corolla-tube and alternating with its lobes; anthers 
2-celled, the cells opening in longitudinal slits. Ovary superior, 
entire, either 1-celled with two parietal or free placentas or rarely 
2-celled with the placentas on the dissepiment; style terminal, bifid 
or divided to the base into 2 distinct styles; stigmas obtuse or 
capitate; ovules numerous or rarely reduced to 2 to each placenta 
and then laterally attached. Fruit a capsule, opening in 2 valves, 
the margins alternating with the placentas or rarely opposite the 
dissepiment. Seeds with a thin usually reticulate testa, and copious 
fleshy albumen. Embryo straight, usually small and distant from 
the hilum. — Herbs or rarely undershrubs, often hispid. Leaves 
alternate or rarely the lower ones opposite, entire lobed or divided. 
Flowers usually blue or white, in one-sided spikes or racemes, often 
rolled back when young and sometimes branching into dichotomous 
cymes, as in Boragineae, or forming small and compact cymes or 
clusters. Bracts usually present under the pedicels and often leaf- 
like; bracteoles rarely present. 
A small Order, chiefly American. 
440. Hydrolea Linn. 
Calyx 5-partite; aestivation imbricate at the base, open above. 
Corolla 5-lobed almost to the base, rotate-campanulate. Stamens 5, 
inserted at the sinuses of the corolla; filaments filiform, usually 
dilated at the base; anthers sagittate. Ovary 2-(rarely 3-) celled; 
placentas fleshy, adnate to the dissepiments; ovules many in a cell; 
