334 POLEMONTACBAB. 



some species), rarely entire, rarely with some uppermost alternate. Flowers 

 scattered or in terminal capitate clusters. Calyx-tube scarious between the 

 ribs or angles, its teeth equal. Corolla subrotate, funnelform, or salverform. 

 Stamens equally inserted on the corolla. Capsule with few to many seeds in 

 each cell. (Greek linon, flax, and anthos, flower.) 



A. Stems dichotomously branching; flowers solitary. 



1. Flowers subsessile or on short stout pedicels. 



Corolla short salverform, white or nearly so, its lobes conspicuously convolute in the bud, 



1 in. broad; calyx cylindrical, white-scarious between the ribs 1. L. dichotomus. 



2. Flowers on capillary pedicels. 

 Corolla various: stamens inserted at the throat. 



Calyx disposed to be turbinate; flowers white, Yz to 24 in- broad, in a loose panicle; 



corolla nearly rotate, its tube scarcely any 2. L. liniflorns. 



Calyx cylindrical; corolla with distinct tube. 



Corolla white, narrowly funnelform, 2 lines broad 3. L. pusillus. 



Corolla purplish or bluish, 3 to 5 lines broad. 



Corolla funnelform; herbage not glandular 4. L. ambiguus. 



Corolla nearly salverform; glandular-hirsutulous at the nodes 5. L. rattanii. 



B. Stems simple, or sometimes branching; flowers in capitate clusters. 

 Corolla salverform; flowers crowded into leafy-bracted capitate clusters at the ends of the 

 stems or branches; calyx-teeth equal. 



Corolla-tube little, if at all, exceeding the lobes 6. L. densiflorus. 



Corolla salverform, its tube filiform and elongated, several times the length of the limb. 

 Corolla much exceeding the bracts. 



Corolla twice or scarcely twice the length of the bracts, its lobes 3 to 4 lines long; 



relatively stout plants 7. L. androsaceus. 



Corolla usually more than twice the length of the bracts; very slender plants. 



Lobes of the corolla 2 to 3 lines long; flowers purple, pink or pale yellow 



8. L. pariiHorus. 



Lobes of the corolla 1 line long; flowers golden yellow 9. L. acicularis. 



Lobes of the corolla 1 to \ l /i lines long; flowers purplish or pinkish.. 10. L. bicolor. 



Corolla commonly not exceeding the bracts; bracts conspicuously hirsute-ciliate; rigid 



plant ILL. ciliatus. 



1. L. dichotomus Benth. Evening Snow. Erect, simple or branching 

 from near the base, 5 to 6 (or 9) in. high; nodes few and internodes very 

 long, twice to many times as long as the leaves; flowers terminal or sessile in 

 the forks; ribs of the calyx prolonged into linear-acerose teeth; corolla salver- 

 form, white, its tube equaling the calyx-tube, its lobes strongly convolute in the 

 bud, broadly obovate, erose, the limb 1 in. broad; filaments at the very base 

 enlarged, somewhat winged and more or less hairy; cells of capsule many- 

 seeded; seeds not mucilaginous wdien wet. — (Gilia dichotoma Benth.) 



Common on open slopes, mostly on high hills: Coast Ranges; Sierra Nevada 

 foothills; San Joaquin plains; Southern California. Mar.-May. Flowers open- 

 ing in the late afternoon and closing the next morning. 



2. L. liniflorus (Benth.) Greene. One ft. high or somewhat more, mostly 

 branching above; leaf-segments % to 1 in. long; flowers white, in a diffuse 

 panicle, on slender pedicels % to 1% i' 1 - long, corolla with nearly obsolete 

 tube; limb rotate, */> to % in. broad, the obovate lobes naked, with several 

 lilue longitudinal lines or veinlets; stamens % as long as corolla-lobes; filaments 

 with a densely pilose ring just above the base, the corolla pubescent at their 

 insertion; ovules (i to 8 in each cell. — (Gilia liniflora Benth.) 



Plains and foothills: Solano Co.; Stockton; San Mateo Co.; Loma Prieta and 

 southward to Southern California. May .lime. 



3. L. pusillus (Benth.) Greene. Very slender, 3 t<» <> in. high; calyx 

 cylindraceoUB, I to 1 '•_• lines long, its teeth as long as the tube; corolla narrowly 



funnelform or Bubsalverform. its tube dilated somewhat above the noddle, not 



