OF ARTS AND SCIENCES : MAY 13, 1873. 591 



wan to Wisconsin, and westward of the Mississippi to Texas and New 

 Mexico. 



Var. spinulosa, Torr. & Gray. Usually nearly glabrous, the 

 stems rather stout, subdecumbent, sometimes 2-3° long ; flowers 

 larger, the tube 6-10" long, with a slender base and equalling the 

 petals ; the stigma and throat of the calyx occasionally very dark- 

 purple or orange. — From the Indian Territory to Texas. 



Var. pixifolia, Engelm. Leaves very narrowly linear and sub- 

 revolute ; flowers as in var. spinulosa. — Texas. 



§4. SPILEROSTIGMA, Spach. Stigma capitate ; calyx-tube ob- 

 conic or shortly funnelform ; petals entire or emarginate; stamens 

 somewhat unequal, the oblong anthers attached near the middle ; 

 capsules linear, sessile, terete or tetragonal, attenuated at the apex 

 and more or less contorted ; seeds ascending in a single row in 

 each cell, ovate to linear-oblong, smooth or nearly so. Caulescent 

 annuals or biennials, the spikes usually crowded, bracteate or leafy. 



* Flowers white or rose-colored, in a nodding spike ; calyx-tube 

 funnelform ; capsule narrowly linear, terete, much contorted ; seeds 

 linear, acute at each end. 



37. GE. altssoides, Hook. & Arn. Canescently puberulent, usu- 

 ally branching from the base, 3'— 1° high ; leaves otdanceolate or ob- 

 long-lanceolate, 1 - 2V long, attenuate into a slender petiole, entire or 

 repand-denticulate, the bracts much smaller but similar ; spike many- 

 flowered, becoming elongated ; calyx-tube 2 - 3" long, equalling the 

 orbicular entire petals ; capsules puberulent, 8-12" long, very slender 

 and scarcely thicker at base ; seeds nearly white, very minutely pitted. 

 — From Southern Idaho through Nevada and Utah. 



Var. villosa. More or less villous throughout. — Nevada. 

 Var. mtnutiflora, Watson. Flowers much reduced, scarcely more 

 than 1" Long. — Northern Nevada and about Salt Xake, Utah. 



38. CE. Boothii, Dougl. With the habit of the last, but viscidly 

 pubescent; leaves ovate, i-1' long, acuminate or acute, denticulate, 

 shortly petioled ; calyx-tube 1 - 3" long ; petals 2 - o" long ; capsules 

 linear-fusiform, 6 - 9" long, 1" broad at base and attenuate upward, 

 much contorted ; seeds brownish, angled, very minutely tuberculate, 

 over \" long. — Eastern Oregon to Northern Nevada. 



39. 03. gaur-eflora, Torr. & Gray. Erect, often stout, | - 2° 

 high, simple or branched, glabrous, or the calyx, ovary, and younger 



