PHLOX FAMILY 103 



(a) Hoods entire A. verticilldta 



(b) Hoods arrow-shaped A. galioides 



Asclepiodora Gray 1876 Milkweed 



(Gr. Asklepios; doron, gift) 



PL 17, fig. 11. 



Sepals 5, lance-shaped, petals 5, united into a wheel-shaped corolla, 

 hoods oblong, inserted over the whole of the very short crown-column, 

 curved upward, obtuse, crested within, at least in the upper part, slightly 

 longer than the anther, at the clefts between the hoods a small lobe or 

 appendage, alternating with the anther wings and resembling an inner 

 crown, anthers 5, pollen masses hanging, pear-shaped, follicles ovoid or 

 oblong, erect or ascending on the curved or twice-bent fruiting stalks ; 

 flowers in terminal, solitary or clustered umbels ; leaves alternate or oppo- 

 site, entire ; perennial herbs. 

 Stems ascending, .5-2 ft. high ; leaves lanceolate, 3-8 



in. long; flowers 1.5-2 cm. wide A. decumbens 



POLEMOXIALES PHLOX ORDER 

 POLEMONIACEAE PHLOX FAMILY 

 Sepals 5, united into a tube, petals 5, united into a regular, funnel- 

 form to saucer-shaped corolla, stamens 5, on the tube of the corolla and 

 alternate with its lobes, ovary 3-celled, stigmas 3, fruit a 3-valved cap- 

 sule; flowers mostly in panicles and cymes, rarely solitary; annual or 

 perennial herbs with alternate or opposite, simple and entire or lobed 

 to pinnate leaves. 



1. Leaves opposite and entire Phlox 



2. Leaves usually alternate, mostly pinnatifid to 



pinnate 



a. Leaves pinnate; corolla bell-shaped Polemonium 



b. Leaves entire to pinnatifid ; corolla tubular to 



salverform 



( 1 ) Leaves entire 



(a) Ovule one in each cavity Collomia 



(b) Ovules 2-many in each cavity Gilia 



(2) Leaves pinnatifid 



(a) Leaves with rigid needle-like lobes Navarretia 



(b) Leaves with soft spineless lobes Gilia 



