461 



462 



longer than the fls, spreading, subulate 

 and rigid, narrowed into a stout awn: 

 sep of fertile fls 1-1%" lg, oblong and 

 somewhat broader above, obtuse or re- 

 tuse, 2 or 3 com slightly larger and 

 more acute or setaceously apiculate, dis- 

 tinct or nearly so: stig com 2: sd circu- 

 lar, !/>" broad." B 2:42. Jacumba, SD 

 Co. Banks of the Rio Grande. Calis 

 weed of CD; 10 hi. Magdalena bay 

 and island. 



SD! Quintin (Palmer 705). 

 A. PANZCUZ.ATTJ3 L, Sp PI ed 2, 1406. 

 B 2:41. 



A. RETROFI.EXU3 L, Sp PI 991. B 

 2:41. Ab 133. Parish Z 1:125. Da 15; 

 Erythea 1:99, LA Co. 



Sts stout, erect: Ivs ovate, 1-3' lg, on 

 petioles almost as lg: fls g, in thick, 

 erect, crowded spikes, either terminal or 

 axy: perianth divisions 5. A com 

 weed. Eu. 



Southern California; Baja. 

 A. TORREYI Benth ex Wat B 2:42. 

 Colo. NM. Baja (Cape San Lucas). 



Colo; N. M. ; Cape San Lucas (Xantus). 

 A. VI3CIDULUS. P 3:344. 

 AMARENTTS C Presl Symb bot 1:46 

 (1830). Trifolium fide IK. 

 A. AGRA3IUS C. Presl, S-B, 1:46. P 3: 

 205 as Chrysaspis agraria. 

 A. ATJRET7S Fourr, in Ann L sc Lyon 

 16:362 (1868). P 3:204 as Chrysaspis 

 aurea. 



A. BADIUS C Presl, S-B 1:46. P 3:206 

 as Chrysaspis badia. 



A. FROCiJMBENS C Presl, S-B 1:46. P 

 3:206 as Chrysaspis procumbens. 

 A. SPADICETJS C Presl S-B 1:46. P 3: 

 205 as Chrysaspis spadicea. 

 ASSAURZA Benth, bot Sulph 31 (1844). 

 A. ROTUND IP OZiIA Benth, bot Sulph 

 3J. B 1:385. 



A. DZSSECTA G PI Fendl 104. NM. 

 AMBZ.ZRZON Raf, Am Mo mag 1818, 

 265. = Fritilloria fide IK. 

 A. FTJDICUM Raf Am mo mag 1818, 

 265. B 2:170 as Fritilaria pudica. 

 AMBZ.OOYNA Raf Fl Tell 3:42 (1836). 

 = Amaranthus L, fide B 2:242. 

 A. FZMBRZATA G 5:167, 168. B 2:42 as 

 Amaranthus fimbriatus. 



A. TORREYZ G 5:167, 169. B 2:42 as 

 Amaranthus Torreyi. 



AMBZ.YOFAFFT7S H & A, Hook J bot 3: 

 321 (1841). A 1:255 d. 



A. PUSILLTJS H & A. Hook J bot 3:321. 

 A 1:255 d. P 1:265, San Benito Island; 

 1:88, Mig. B 1:385. Ab 431. Z 1:208. 

 Br 1:213, Rosa. Greene, Cal ac b 2:404, 

 Cruz. 



AMBZ/YSTEGZTJM Schimp. B 2:417 as 

 Hypnum. 



A. RADZCAZiE Bruch & Schimp. B 2: 

 418. 



A. RIFARIUM Brush & Schimp. B 2: 

 418 as Hypnum riparium L. 

 A. SERFENS Bruch & Schimp. B 2:418 

 as Hypnum serpens L. 

 A. VACZZ.Z.AHS Sulliv. B 2:418 as 

 Hypnum riparium. 



AMBROSZA L, Gen ed 1, 287 n 718 

 (1737). 



Monoecious branching herbs or shrubs, 

 with alt or opp mostly lobed or divided 

 Ivs and sm hds of g fls, the stam spicate 



or racemose, the pist solitary or clus- 

 tered in upper axils: inv of pist hds 

 globose-ovoid, closed, 1-fld, com armed 

 with 4-8 tubercles or spines; cor 0; pap- 

 pus 0: inv of stam hds hemispheric, 

 5-12-lobed, open, many-lid; cor funnel- 

 form, 5-toothed; anth scarcely coherent, 

 mucronate-tipped. Ragweed. 

 A. ACANTHICARPA Hook Fl Bor Am 

 1:309 Franseria Hookeriana fide. B 1: 

 345. 



A. ARTEMZSZAEFOZiZA L, Sp PI 988. 

 B 1:344. 



Ann, 1-3 hi, roughish-hirsute: Ivs 

 thinnish, twice pinnatifid: fr-inv smooth 

 below, not reticulated, armed with 

 about 6 very acute spines. Roman 

 Wormwood, Bitterweed. Nev, Ore. 



N. S., Texas, Wash, and So Cal (?). A 

 widely distributed weed, 



A. CGRONGFZFOX.ZA T & G Fl 2:291. 

 B 1:344 as A. psilostachya. 

 A. PSZI,08TACIY& DC Prodr 5:526. B 

 1:344. Ab 412. Da 9. Greene, Cal ac b 

 2:402, Cruz. Br Z 1:114, Cat, Ha 123. 

 Baja! Tex, 111. 



Sts erect from horizontal rt-stocks^ 

 5-8 dm hi, with strigose pubescence 

 and somewhat scabrous; Ivs once or 

 twice pinnatifid: fr mostly solitary in 

 axils, turgid-ovoid, about 3 mm lg, ob- 

 tusely sh-pointed, rugose-reticulate, 

 either unarmed or with 4 sh or sharp 

 tubercles, A com weed. 



Jl'L; T&cas; Mexico; San Ber (Parish 

 622); Cruz; Santas (Miss F. E. Fisn). 

 A. PTTMZZiA G 17:217. 



Per, span or 2 hi, from slender run- 

 ning rt-stocks, canescent thruout with 

 a dense and close silky pubescence, very 

 Ify: Ivs nearly all alt and Ig-petioled, 



2-3-pinnately parted into linear-oblong 

 crowded lobes: sterile hds in a sh spike: 



fr obovoid, pubescent, muticous, 1" lg 



(rarely 2 are connate at base). SD. 



SD (Nuttall. Cleveland, Orcutt). 

 A. TENTJIFOLIA Spreng, Syst 3:851. 



B 1:346 as Franseria tenuifolia. 



AMEZiANCHZER Medic Phil bot 1:135 



U789). 



Shrubs or sm trees: Ivs decid: fls large, 



w, in racemes: ova 5-celled, becoming a 



part of the berry-like ex, each cell par- 

 tially divided by a partition from the 



back, 1-seeded. 



A. ALNIFOLIA Nutt, Phila ac J 7:22 



<1834). B 1:190. Par 88. Z 2:102, 349. 



P 3:71, 4:129. Ha 85. 



Lvs rounded, serrate toward apex: pet 



nar-oblong, near 1' lg: fr p and edible 



when ripe. Thru Cal, BC, Rocky mts, 



Colo. Variable. 



A. BAXERZ. P 4:128, Colo. 



A. CAHADENSZS Medic Gesch 79. T & 



G, Fl 1:473. 



Variety ALNIFOLIA T & G Fl 1:473. B 



1:190 as A. alnifolia. 



A. CRENATA. P 4:127. NM. 



A. FLORIDA Lindl bot reg t 1589. B 



1:190 as A. Alnifolia. 



A. GOKMANI. P 4:129, Alaska. 



A. FALLXDA. P4:21. 



A. FOLYCARFA. P 4:127, Colo. 



A. FRUNZFOX.ZA. P 4:21. Colo. 



A. ST7BZNTEGRA. P 5:109. Cal. 



A. VENT7X.OSA. P 4:21. A 1:38 fdr. 



