TWO NEW MARIPOSAS 



Anstruther Davidson, C. M., M. D. 



Calochortus discolor n. sp. 



I. 



C. Campestris 



Stem bnlbiferous, 12 to 18 inches tall, stem leaves chan- 

 nelled; flowers umbellate; sepals erect scarious margined, 

 greenish externally and markedly striate, internally yellowish 

 with purple edged brown spot; petals internally liliac IVi in. 

 long and ^ in. wide, wedge shaped below broadly apiculate 

 above, claw brown ; gland of yellowish hairs, triangular (some- 

 times circular), on a yellow field edged with purple, no hairs 

 outside of gland; externally petals greenish with a broad green 

 stripe down the center the whole finely striate; stigma purple. 

 Pod attenuate upwards with a white stripe on septum. 



Flowering in July and August. 

 ^^ Abundant from Bishop, Inyo county, up Bishop Creek and 

 its tributaries into the Sierra ranges up to 8000 or 9000 feet 

 altitude. Type No. 2672. This has been distributed by Heller 

 as C. excavatus Greene, but Dr. Greene, who examined this 

 specimen, says it is not his species. Purdy (Gal. Acad. Proc, 

 Vol. II. 148) classes all the green banded Mariposas as 

 C. macrocarpus Doug. C. discolor possesses the green band 

 and general habit of C. macrocarpus as illustrate<by Purdy but 

 in coloring and habitat it is sufficiently distinct. 



C. excavatus Greene with its prominent gland and invenus- 

 tus like appearance was originally discovered by Schockley in 

 the neighborhood of Bishop and so far as I can discover it has 



11 



