WOOTON AND STANDLEY PLOEA OF NEW MEXICO. 535 



17. Phacelia demissa A. Gray, Proc. Amer. Acad. 10: 326. 1875. 



Type locality: "New Mexico." Type collected by Dr. E. Palmer in 1869, doubt- 

 less near Fort Defiance. 



Range: Utah, Arizona, and northwestern New Mexico. 



"We have seen no further specimens of this from New Mexico. 



4. NYCTELEA Scop. 



Small annual herbs with pinnate leaves and small blue or whitish flowers in terminal 

 cymes; calyx lobes relatively large, obovate, accrescent, not appendaged; corolla 

 convolute in bud, about equaling the calyx; stamens included; ovary 1-celled, with 

 fleshy placentae, styles 2-cleft. 



KEY TO THE SPECIES. 



Calyx in fruit less than 4 mm. long, the lobes rounded-oblong 1. N. micrantha. 



Calyx in fruit 8 mm. long or more, the lobes narrowly triangular, 



acute 2. N. nyctdea. 



1. Nyctelea micrantha (Torr.) Woot. & Standi. 



Phacelia micrantha Torr. U. S. & Mex. Bound. Bot. 144. 1859. 



Macrocalyx micrantha Coville, Contr. U. S. Nat. Herb. 4: 157. 1893. 



Type locality: Stony hills near El Paso. 



Range : California to Arizona and western Texas. 



New Mexico: Organ Mountains; Tor tugas Mountain. Low hills, in the Lower and 

 Upper Sonoran zones. 



3. Nyctelea nyctelea (L.) Brittonin Britt. & Brown, Illustr. Fl. ed. 2. 3: 67. 1913. 



Polemonium nyctelea L. Sp. PI. 231. 1753. 



Ellisia nyctelea L. Sp. PI. ed. 2. 1662. 1763. 



Macrocalyx nyctelea Kuntze, Rev. Gen. PI. 2: 434. 1891. 



Type locality: "Habitat in Virginia." 



Range: Montana and Saskatchewan to New Mexico and Virginia. 



New Mexico: Sierra Grande {Standley 6162). Damp ground, in the Transition 

 Zone. 



5. HYDROPHYLLUM L. Waterleaf. 



Perennial herb, 30 cm. high or more, from a horizontal rootstock, with large radical 

 leaves or alternate, pinnately parted, long-petioled cauline leaves and terminal long- 

 peduncled cymes of pale bluish flowers; corolla with short funnelform tube and 5 

 rounded lobes; stamens with slender filaments, exserted; ovary 1-celled, pubescent; 

 style 2-cleft; ovules 4, inclosed in the fleshy placenta; capsiile 2-valved; seeds 1 to 4. 



1. HydrophyUum fendleri (A. Gray) Heller, PI. World 1: 23. 1897. 



Hydrophyllum occidentale fendleri A. Gray, Proc. Amer. Acad. 10: 314. 1875. 



Type locality: Near Santa Fe, New Mexico. Type collected by Fendler. 



Range: Idaho and Wyoming to New Mexico. . 



New Mexico: Chama; Santa Fe and Las Vegas mountains; West Fork of the Gila; 

 James Canyon. Wet ground in the mountains, in the Transition and Canadian zones. 



121. EHRETIACEAE. 



Low spreading or prostrate herbs or undershrubs with branched stems; leaves 

 simple, alternate, entire; flowers solitary, axillary; calyx of 5 narrow sepals united 

 at the base; corolla gamopetalous, narrowly funnelform to campanulate, not append- 

 aged in the throat, the limb of 5 rounded lobes; stamens 5, epipetalous; anthers 2-celled, 

 opening by longitudinal pores; ovary 4-celled, the fruit various. 



