SAXIFRAGACEAE. 169 



5. D. elongata Rose. Stems elongated, at length 2-4 dm, long, 

 simple or branched; leaves nearly linear, broadest near the base, 

 very glaucous, 4-8 cm. long, 9 mm. wide or less, acute to acuminate; 

 flowering stems leafless below, leafy above; the leaves ovate, acute, 

 cordate, 1 cm. long or less; inflorescence cymose-paniculate; pedicels 

 very short, 1-2 mm. long; calyx-lobes ovate, acute, 4 mm. long, 

 twice as long as the tube; corolla 12 mm. long, at first reddish 

 yellow, in age deep red. 



Along the coast. Described from specimens from near San 

 Pedro, collected by Dr. Hasse. 



6. D. lurida Rose. Acaulescent; basal leaves ascending or 

 nearly erect, very numerous, not at all glaucous at flowering time, 

 at last deeply bronzed, lanceolate, acuminate, 10-15 cm. long, 10-22 

 mm. broad at the middle, fleshy but not very thick; flowering stems 

 stout, purplish, 4-5 dm. tall, their leaves broadly ovate, 8-12 rnm. 

 long, rather slender; calyx-lobes ovate, acute, 5-6 mm. long, reddish; 

 corolla reddish, 12-15 mm. long, the segments erect, acute. 



Frequent in the Santa Monica Mountains and Verdugo Hills. 



5. TILLAEA. 



Minute somewhat succulent and glabrous herbs with 

 opposite entire leaves and minute axillary mostly white 

 flowers. Sepals and petals 3-5, distinct or united at the 

 base. Stamens as many. Carpels as many, distinct; 

 styles short-subulate; ovules 1-many. Seeds striate 

 longitudinally. 



1. T. minima Miess. Diffusely branched, 2-6 cm. high, erect 

 or ascending; leaves about 2 mm. long, ovate, acute, connate at 

 base; flowers in short leafy axillary panicles; sepals 4, scarcely 1 mm. 

 long, oblong-ovate, acute, slightly exceeding the linear-lanceolate 

 acuminate petals; carpels of about the same length, acute; seeds 

 usually solitary. 



Common on sandy ground throughout the valley region. 



Family 42. SAXIFRAGACEAE. Saxifrage Family. 



Herbs with alternate opposite or basal, chiefly exstipu- 

 late leaves and mostly perfect solitary, racemose, cymose 

 or paniculate flowers. Calyx 4-5-lobed or 4-5-parted, 

 free or adnate to the ovary, usually persistent. Petals 

 4-5, perigynous. Stamens equaling the petals in 

 number or twice as many, perigynous. Carpels 1- 

 several, more or less united into a compound superior or 

 inferior ovary; styles distinct or united. Fruit a capsule 

 or follicle. Seeds usually numerous; endosperm gen- 

 erally copious, fleshy; embryo small, terete. 



