Blake Revision of Poly gala 31 



Wright 72 (K). New Mexico: Silver City, 1880, Greene p. p. (K). 

 Arizona: Chiricahua Mts., Blumer 1337 (G); Huachuca Mts., 

 Goodding 791 (G). T. 1. Fig. 18. 



Var. euryptera. Alae 6-6.5 mm. longae 4-4.5 mm. latae. 

 Carina 6-6.5 mm. longa. Capsula 10 mm. longa 8 mm. lata. 

 Oaxaca: Zacatlan Mts., 18 June 1894, L. C. Smith 31 (G); Monte 

 Alban near Oaxaca, 1770 m., 20 July 1894, L. C. Smith 80 (type: 

 G); Cerro cle San Felipe, 1750 m., 24 May 1896, Conzatti 205 (G); 

 Cerro de San Felipe, 1800 m., 10 June 1897, Conzatti & Gonzalez 335 

 (G). Rather different in appearance from normal var. genuina, 

 having generally broader stem-leaves than are usual in that variety, 

 but with similar seed and without obvious differential characters 

 beyond the size of the flowers. T. 1. Fig. 19. 



Most of the species of this group have at one time or another 

 been confused with this species, which is at once distinguishable by 

 its peculiar aril. After careful comparison of the type numbers of 

 P. obscura and P. puberula in Kew Herbarium, I have been forced 

 to the conclusion that they are identical. None of the differences 

 depended on by Dr. Gray in separating P. puberula appears to be 

 of any real consequence. The species seems to be the most variable 

 of this section in regard to the pubescence of the capsule, which in 

 the ovary stage is usually but by no means always rather densely 

 puberulous, and in age varies from quite glabrous (except the mar- 

 ginal cilia) to rather closely puberulous, but almost invariably 

 shows at least a few hairs along the septum. The flowers are de- 

 scribed in the Synoptical Flora as " yellowish or greenish-white 

 (rarely ' blue ')," but in unfaded material are certainly purplish 

 or violet. 



32.1. P. orthotricha, sp. nov. Suffruticulosa pluricaulis 

 erecta 1.5-2 dm. alta. Caules sparse ramosi ut inflorescentia pedi- 

 cellique dense pilosuli pilis brevibus late patentibus rectis. Folia 

 inferiora ovalia ad oblongo-ovalia acutiuscula mucronulata basi 

 cuneata 1-nervia plus minusve pubescentia et ciliata pilis brevibus 

 rectis patentibus 5-11 mm. longa 2-4 mm. lata brevissime petio- 

 lata ; media et superiora oblonga vel lanceolata vel linearia utrim- 

 que acuta 1-nervia (nervis lateralibus obscuris vel 1-2-jugis) plus 

 minusve dense pubescentia pilis brevibus late patentibus 1.7-3.5 

 cm. longa 2-6 mm. lata brevissime petiolata petiolis patenter his- 

 pidulo-pilosulis. Racemi laxe pauciflori 2-4.5 cm. longa. Flores 



