WOOTON AND STANDLEY FLORA OF NEW MEXICO. 521 



leaflike bracts; leaves with 3 narrowly linear spinulose lobes, the segments unequal; 

 corolla salverform, the tube longer than the sepals; capsules not distending the calyx, 

 several-seeded . 



1. Eriastrum filifolium (Nutt.) Woot. & Standi. Contr. U. S. Nat. Herb. 16: 160. 

 1913. 



Gilia filifolia Nutt. Journ. Acad. Phila. II. 1: 156. 1848. 



Navarretia filifolia Brand in Engl. Pflanzenreich 27: 167. 1907. 



Type locality: Near Santa Barbara, California. 



Range: Washington and California to New Mexico and western Texas. 



New Mexico: Nutt Mountain; Crawfords Ranch; Mesilla Valley; Organ Mountains. 

 Dry plains, in the Lower Sonoran Zone. 



2. COLLOMIA Nutt. 



Erect annual with alternate entire leaves and small flowers crowded at the top of the 

 stem; calyx scarious between the lobes, not distended by the capsule; corolla tubular- 

 funnelform with open throat and short obtuse lobes; stamens unequal, unequally in- 

 serted on the corolla tube; capsules narrowed at the base; seeds mucilaginous when 

 wetted, emitting spiracles. 



1. Collomia linearis Nutt. Gen. PI. 1: 126. 1818. 



Gilia linearis A. Gray, Proc. Amer. Acad. 17: 223. 1882. 



Type locality: " Near the banks of the Missouri about the confluence of Shian 

 River, and in the vicinity of the Arikaree village." 



Range: British Columbia and North Dakota to California, New Mexico, and Ne- 

 braska. 



New Mexico: Tunitcha Mountains; Chama; Santa Fe and Las Vegas mountains. 

 Meadows in the mountains, Transition Zone. 



3. POLEMONIUM L. 



Perennial herbs 1 meter high or less, with pinnate leaves and blue, purplish, white, 

 or yellow flowers in panicles or glomerate terminal clusters; calyx rotate-campanulate 

 to tubular, not scarious between the herbaceous lobes; corolla narrowly funnelform to 

 campanulate or almost rotate; stamens equally inserted, the filaments more or less 

 declined, pilose-appendaged at the base; capsules oblong to globose, not bursting 

 from the persistent calyx; seeds black or brown, oblong, often angled or winged. 



key to the species. 

 Corolla funnelform. 



Corolla purple, the tube thick 1. P. confertum. 



Corolla ochroleucous, the tube slender 2. P. mellitum. 



Corolla campanulate to nearly rotate. 



Corolla yellow 3. P. flavum. 



Corolla blue, rarely white, never yellow. 



Plants low, 10 to 20 cm.; flowers pale blue. 



Seeds not winged 4. P. scopulinum . 



Seeds narrowly winged 5. P. ptcrospcrmum. 



Plants tall, 40 to 100 cm. ; flowers deep blue. • 

 Inflorescence narrow, thyrsiform; leaflets lanceo- 

 late, attenuate, rather distant 6. P. jUinnum. 



Inflorescence broad and open; leaflets elliptic, less 



acute. 



Corolla about 20 mm. long; leaves and lower 



part of the stem glabrous 7. P. gramlt-. 



Corolla L0 to L2mm. Long; Leaves and stem vis- 

 cid-pubescent S. P. molli . 



