131 



ules linear-lanceolate; flowers in leafy racemes, on short peduncles: calyx inflated, 

 strongly veined, purplish, 3 lines high with broadly ovate lobes; petals 5, distinct, 

 purple, nearly orbicular, tapering at base into a slender claw with strongly incurved 

 margins; stamens 5, opposite the petals; filaments broad with ciltate margins; anther 

 cells ciliate with acuminate tips; styles 5, distinct; carpels densely stellate, but the 

 crest not armed; cells 5, each 5-seeded. 



Collected by Mr. E. W. Nelson, on dry hills in the valley of Oaxaca, September 8, 

 1894 (No, 1216) ; also by Mr. C. C. Pringle on limestone ledges of Monte Alban, alti- 

 tude 1,906 meters, 1894 (No. 4798); also by Thomas Coulter near Ziinapan (No. 802). 

 The latter two specimens were seen in the Gray Herbarium. 



* * Calyx not inflated. 

 +- Petals refiexed or spreading; stamens wholly exaerted, filaments nearly wanting, 

 anthers elongated and connivent; crest of carpels armed with long, glochidiate spines. 

 Hermannia palmeri Vasey & Rose, Contr. Nat. Herb. 1 : 07. 1890. 



SPECIMENS EXAMINED. 



Lower California: 



La Paz, Dr. Edward Palmer, January 20, February 5, 1890 (No. 29); 

 Todos Santos, T, S. Brandegee, January 22, 1890. 

 The type specimens of this species are in the National Herbarium, 



■*-■*- Petals at most spreading ; stamens not wholly erserted ; filaments distinct, anthers 

 short, not connivent; crest of carpels not armed with long, glochidiate spines. 



++ Flowers yellow, minute; crest of carpels dentate or with very short spines. 

 Hermannia pauciflora Wats. Proc. Am. Acad. 17: 308. 1882. 



SPECIMENS EXAMINED. 



Mexico : 



Guaymas, Dr. Edward Palmer, 1887 (No. 227); 

 Arizona: 



Santa Cataliua Mountains, ('. <!. Pringle, April 1 1, 1881 (No. 344); 



Sierra Tucson, C. <l. Pringle, April 28,1884; 



South side of Santa Catalina Mountains, ./. (I. Lemmon, August, 1883 (No. 3669). 



++• **■ Flowers yellow, twice the size of the last; crest of carpels lined with rather pectinate 



bri sties. 

 Hermannia texana Gray, Gen. lllustr. 2: 88, t. 135. 1849. 



SPECIMENS EX A M I N K I > . 



Mexico: 



Nuevo Leon, Monterey, ('. (i. Pringle, J ime, 1888 (No. 1926); 



Monterey, Chas. K. Dodge, May 1891 (No. 135); 



Coahuila and Nuevo Leon, Dr. Edward Palmer, February to October, 1880 (No. 113). 

 New Mexico: 



, C. Wright, 1851 (No. 902). 



Texas : 



, P. Liiidheimer, 1816 (Nos, 356 & 357) and 1847 (No. 585); 



Valley of the Rio Grande, ./. M. Digelow ( No. 1 19) ; 



Canyon of Sabinal, J. Reverchon, Juno (No. 108) ; 



Pena, Duval County, (!. ('. Nealley, 1889 (No. 3916) ; 



Western part, C. Wright, October, 1849 (No. 67). 



A SYNOPSIS OF DRYMARIA NODOSA AND ITS ALLIES. 



Two of our thin, linear-leaved species of Drymaria, D. nodosa and 

 I). tenella, have been more or less confused in our collections. My study 

 of the group in the light of recent collections and a comparison of both 



