CAUYOPHYLLACE^. (PlNK FAMU.Y,) 'io 



Jliscicles, icitk large dilated vie mhranons bracts : petals uearlv twice as loiic ajj 

 the sepals : sfiymas capittllate. — Mouutains of Colorado, Utali, and Wvouiiii"' 

 to ^^'asllington. 



Var. subcongesta, Watson. Flowers less densely fascicled and sume- 

 wliat <'ymose. — 13ot. Calif, i. 69. A. Fendlerl, var. subcunifcsta, of Bot. King's 

 Exp. and Fl. Colorado. Colorado, S. Idalio, and westward. 



2. A. capillaris, Poir., var. nardifolia, Hegel. Mure or hss gLuidiilar- 

 pubescent al)Ove : leaves liuear-subulate, \)\\\\^ci\t: Jloivers few in an opni ri/nir; 

 l>r(ic/!i smilly lanceolate : petals half longer than the sepals. — Watson in Hot. 

 Calif, i. 69. A. nardifolia, Ledeb., and A. formosa, Hook., in Hot. King's 

 Exp. 39. From the British boundary southward to the Wasatch and 

 California. 



* * Petals about equalling the calyx. 



3. A, saxosa, Gray. Slightly-hispid pubescent : leaves lanceolate : raceme 

 many flowered, somewhat cymose : sepals with a distinct almost keel-like his/nd 

 midrib. — PI. Wriglit, ii. 18. S. Colorado and southward. 



4. A. pungens, Xutt. Pubescent througltout, cespitose : leaves linear- 

 subulate, pungent, crowded: flowers in an open cyme, leafy-hractid : sepids 

 acuminate, pungent: seeds very few, smooth. — W. Wyoming, Teton Moun- 

 tains, and westward to California. 



5. A. Franklinii, Dougl. Of similar habit, but stouter and less pubescent : 

 stems leafy at base : floiuers fascicled in a rather close cyme: sepals smooth and 

 shining, scariously margined, as also the large bracts. — From Colorado to the 

 sources of the Missouri and westward to Oregon. 



Var. minor, Hook. & Arn. With shorter leaves, bracts, and sepals ; the 

 last two membranaceous. — W. Wyoming, Parry. 



6. A. Fendleri, Gray. Stems numerous from a perennial cauder, glabrous 

 below, more or less glandular-pubescent above, imbricate! }j many-leaved at ^ase : 

 leaves long, somewhat flattened, serrulate-scabrous, smooth except on the mar- 

 gins : cymes strict and few-floivered : sepals acuminate, \\'\tn a broad .-^carions 

 margin: seeds papillose-scabrous. — PI. Fendl. 13. r>lontana, Colorado, and 

 southward. 



Var. glabrescens, Watson. Nearly glabrous throughout: sepals shorter. 

 acute : leaves short. — Bot. King's Exp. 40. Colorado and westward to 

 Nevada. 



Var. diffusa, Porter. Branches of the cyme elonqated,lax and wid 1 1 if spread- 

 ing : flowers numerous. — Fl. Colorado, 13. Ute Pass, Colorado, Porter. 



§ 2. The 3 valves of the capsule entire: seeds not appendaged at the hilum. Ours 

 are all cespitose, not more than 3 inches in height, usually 1 to feio-f lowered, ani 

 with petals commonly exceeding the sepals. — Alsixe. 



7. A. verna, L Erect, pubescent or glabrous : leaves linear-subulate, 

 nerved, erect : cyme erect : sepals orate, acute, mostly a little louqer than thf fwtals. 

 — Mountains of Colorado, Uintas, Teton Range, and northwanl to Arctic 

 America. 



Var. hlrta, Watson. Leaves minutely hirsute, obtuse. — Bot. King's 

 Exp. 41. With the last. 



