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 Eort Huachuca, Lemmon. 



29. G-ERARDIA, L. 



G-. tenuif olia, "Vahl, p. 294. Add : Sprague & Goodale, Wild Flowers, 9, t. 2. 



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

 brous : 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, Enget-m., 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 

 npper 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. — 

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

 California, Parish. 



C. sessiliflora, Pursh, p. 298. Extends even to Montana, Canby, and the Mohave Des- 

 ert, California, Lemmon. (Mex.) 

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



•)— +- -t— -f— Calyx normally bilabiate, i. a. cleft at the sides deeper than before or behind, upper 

 lip emarginate, lower obcordately 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, with the lips a little shorter than the tube and about equalling the yellow corolla: 

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

 fornia, on the Mohave Desert, Pringle. 



31. ORTHOCARPUS, Nutt. 



There are three (instead of two) species in the first 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. tenuifolius, Gray, Bot. Calif, i. 

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

 coll. by Newberry. 



O. pachystaCliyus, 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- 



