452 SUPPLEMENT. 



twice the length of the calyx, appressed -hairy outside. — Bot. Sulph. 144; Gray, Proc. Am. 

 Acad. xix. 93. (Mexico, &c.) 



Var. Arizonica, Gray, 1. c. 92. Hispidulous, sometimes paniculately branched. — 

 S. Arizona, near Fort Huachuca, Lemmon. 



29. GERARDIA, L. 



G. tenuifolia, Vaul, p. 294. Add : Sprague & Goodale, Wild Flowers, 9, t. 2. 



Var. asperula, Gray. Leaves all nearly filiform, and upper face hispidulous-sca- 

 irous : inflorescence more paniculate, with pedicels ascending : corolla small, the expanded 

 limb only half-inch in diameter. — Bot. Gazette, iv. 153. — Dry and bare hills, Michigan to 

 Minnesota and Missouri, a rather common Western form. 



30. CASTILLEIA, Mutis. 



C. indivisa, Engelm., p. 295. Add : Hook. f. Bot. Mag. t. 6376 ; the galea represented too 

 short and thick. The only species which has yet succeeded in cultivation. 



C. viscidula, Gray, p. 297. Eagle Creek Mountains, E. Oregon, along alpine streamlets, 

 Cusick. — Next to this, but nearer C Lemmoni, comes the following : 



C. cinerea Gray. Many-stemmed from a tap-root, 8 inches high, cinereous with a short 

 and soft but somewhat hirsute pubescence, very leafy up to the short and dense cylindra- 

 ceous spike: leaves nearly erect, linear (half-inch long, a line or more wide), entire, or 

 upper 3-cleft ; floral spatulate-dilated, viscid-glandular, tinged yellow : calyx-segments two- 

 parted into linear lobes : galea short-oblong, truncate, a quarter of the length of the tube, 

 and about as much longer than the obtusely 3-crenate lip: .stigma large and disciform. — 

 Proc. Am. Acad. xix. 93. — Rocky hills of Bear Valley, San Bernardino Mountains, S. E. 

 California, Parish. 



C. sessiliflora, Pursii, p. 298. Extends even to Montana, Canbij, and the Mohave Des- 

 ert, California, Lemmon. (Mex.) 

 At the end of the genus a peculiar section is to be added : — 



^ i_ ^_ .(_ Calyx normallv bilabiate, i. e. cleft at the sides deeper than before or behind, upper 



lip emarginate, lower obcordatel}' 2-cleft. 



C. plagiotoma, Gray. Puberulent : stem 2 feet high from a thick perennial root, branch- 

 ing : leaves narrowly linear, or upper trifid with linear lobes ; floral 3-5-cleft with the her- 

 baceous lobes linear-spatulate, cinereous-pubescent: spikes sparsely-flowered below: calyx 

 oblong, Avith the lips a little shorter than the tube and about equalling the yellow corolla : 

 galeastraight, as long .as its tube ; lip very short. — Proc. Am. Acad. xix. 94. — S. E. Cali- 

 fornia, on the Mohave Desert, Primjle. 



31. ORTHOCARPUS, Nutt. 



There are three (instead of two) species in the fir.st division of § 2, p. 300, to be distinguished 

 as follows. See Proc. Am. Acad. xix. 94. 



O. imbricatus, Torr. Slender, branching: stem and narrow linear leaves minutely pu- 

 berulent : bracts chartaceo-scarious and reticulated in age, purplish, oval, entire or a pair of 

 small basal lobes, naked or sparsely ciliate at base, loosely imbricated in the spike : calyx 

 very short, its broad lobes with a pair of short and small subulate teeth : corolla rose-purple, 

 hardly half-inch long ; lip and galea equal in length, the latter usually without uncinate 

 apex: anther-cells oval. — Watson, Bot. King Exp. 458. 0. ipmiifoliiis, Gray, Bot. Calif, i. 

 577, & p. 300, mainly, not Pursh. — Mountains of N. and E. California and S. Oregon, first 

 coll. by Neicberrij. 



O. pachystachyus, Gray. Low and stout, above slightly hirsute : bracts imbricated in 

 the thick spike, large (inch or more in length), chartaceo-scarious and purplish in age, ob- 



