CARYOPHYLLACE2B. 95 



6. A'R.'R'NrA'R.TAj Linnaeus. 



* The 3 valves of the capsule 2-cleft or parted: cespitose perennials with linear- subulate leave* 



and mostly scarious bracts. 

 Petals exceeding the sepals; the capsule about equaling them ..................... 1, 2 



Petals about equaling the sepals: leaves pungent ............................. 3, 4, 5 



* * The S valves entire: annuals: bracts leaf -like. 

 Much branched: leaves filiform, 3-12 lines long ................................. 6, 8 



Smooth: leaves lanceolate, obtuse, 1 or 2 lines long ............................ 9, 1C 



Leaves linear to lanceolate 6-12 lines long ..................................... 7, 11 



* * * Parts of the flower sometimes in 4' 8 ' capsular valves bifid: leaves bright green, 1 or S 



inches long ........................................................... 12, 13 



1. A. congesta, Nutt. Glaucous: flowers in dense fascicles: bracts broad. 



2. A. capillaris, Poir. Pubescent: flowers few: bracts small, lanceolate. 



3. A. pungens, Nutt. Stems 2 or 3 inches high, leafy, pubescent. Subalpine, 



4. A. Frank! inn, Dougl. Stouter: sepals shining, margin scarious. Or. 

 ft. A verna, Linn. Leaves erect, 2-3 lines long: sepals exceeding petals. 



6. A Douglasii, T. & G. Capsule globose: seeds flat, smooth. 



7. A. Howellii, Watson. Glandular-hispid, a foot high. Or. 



8. A. tenelia, Nutt. Capsule oblong: seeds rough: sepals 3-nerved. Or. N. 



9. A. Californica, Brewer. Sepals 3-nerved: Seeds rough. Cent. Cal. 



10. A. pusilla, Watson. Sepals 1 -nerved: petals minute or none: seeds smooth, 



11. A. palustris, Watson. Stems simple: leaves flaccid: few pedicels long. 



12. A. macrophylla, Hooker. Leaves acute, 3 or 4 pairs: petals obtuse. 



13. A. lateriflora, linn. Leaves broader, obtuse: petals exserted. Or. 



7. SAOINA, Linnams. 



1. 8. occidentalis, Watson. Slender: 2-6 inches high: pedicels straight. 



2. S. Linneei, Presl. Densely matted: 1-2 in. high: fruiting pedicels curved. 



3. S. crasaicaulis, Watson. Stout, branched: leaves fleshy, scarious at base. 



8. SPEBGULA, Linnaeus. 

 1. 8* arvensis, L. Leaves filiform, smooth: sepals and petals equal. 



0. LEPIGONT7M, Fries. 



1. L. macrothecum, F. & M. Pubescent: sepals and petals 3 lines long or more. 



2. L. medium, Fries. More slender: flowers smaller, white. 



3. L. gracile, Watson. Annual, smooth, slender r sepals -1 line long. 



10. POLYCARPON, Linnaeus, 

 *. P. depressum. Nutt. An inch high: petals included, entire. 



