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. G-ERARDIA, L. 



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



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

 Lrous: inflorescence more paniculate, \vith pedicels ascending: corolla small, the expanded 

 limb onlv 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. viscidllla, 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, PDRSII, 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 : 



4 -1 * -t Calyx normal! v bilabiate, i. e. 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-spatnlate, 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, Prinyle. 



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 N< trlicrn/. 



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- 



