729 



560. Ar. 



P. BATTANI G 15:50. B 2:473. 



Variety MINOS G 15:50. 



P. BICXABDSONII Dougl. hot reg t 



1121- B 1:56:!. 



P. BOEZX.I Regel, Gartenfl 1872:239. B 



1:561. 



P. BOSTBiri,OBUM K 2:15. Cur 1:145 



as Bridgesii. K. Hutchin's mag, S 1860 f 



PENTSTEMON PUMILUS Nutt 



PENTSTEMON ROTHROCKII Gray. 



S D mts; Little Olanche mt. (Rothrock). 

 Ha 120. B 2:473. A 1:228. 

 P. SPEC1OSUS Dougl. bot reg t 1270. B 

 1:558 as glaber. 

 PENTSTEMON SPECTABILIS Thurber. 



LA Co Las Huevitas, Baja (Br); N M. 

 Pac Ry R 4:1H. B 1:558. Ab 361. Da 

 13. A 1:227 d. Ha 120. 

 P. TEJTEI.I.T7S K 1:56. Cur 1:144 as 

 azure us. 

 PENTSTEMON TERNATUS Torr. 



Kern Co: San Diego Co! Baja! 

 G, bot Mex B 115. Da 13. B 1:557. Ab 

 360. V 1:228. Cov 170. Ha 120. 

 P. TOBBEYI Hort ex Regel. Tex. M 4: 

 78 Ar. 



P. TBIPEYIiLUS 1 >ougl, bot reg t 1245. 

 B 1:562. 



P. UTAHENSIS M 1:4 S. 

 P. VE1TTJSTTJS Dougl. bot resr t 1309. B 

 1:562. 



PEBAFHVI.Z.UM Nutt. T & G. Fl 1:474 

 <1840). 



P. BAM05I5SIMTJM Nutt. lo. B 2:44.=;. 

 Br. Colo 228. 236. 



Genus PERFZI V Lagasca. 

 Amer Nat 1:31 (1811). A 1:197 d. 

 P. ABIZOZTXCJL G, B 2:422. - Wrightii 

 fide IK. 

 PEREZIA MICROCEPHALA A Gray. 



Abrams, Fl LA 443. Frequent on the 

 dry interior plains and foothills. Jl-Ag. 



Bloch. Erythea 1:191. Sacapellote. 

 Notes its meaicinal repute. Monterey 

 lo SO 



SBar to Santo Tomas, Baja! 

 PI Wright 1:127. Da 10. B 2:122. Br 1: 

 213 Rosa. Greene. Cal ac b 2:405 Cruz. 

 A 1:1 

 PEBITOMA DC 1:237 1S24K = Cleome 



'K. 

 P. AT7BSTJM Nutt. Phil ac J 7:15. P 4: 



^C: lutea fide IK 

 P. IKOBIT. \TTJM P 4:210. 

 P. I.UTEUM Raf. Sylva Tel 112. P 4: 



G: 1 fide IK. 



P. SEBBULATUM DC 1:237. P 4:210. 

 =C: Integrifolia fide IK. 



Genus PERITYLrE Bentham. 



Mostly ann. with dentate or palmately 

 lobed Ivs. all but the lower alt. and sm 

 or middle-sized hds terminating the 

 branches: inv hemispheric. its bracts 

 distinct, more or less overlapping, capri- 

 nate-concave and partly embracing the 

 outer ak: receptacle flat or concave: ray- 

 fls y or w, pist or 0: disk fls y, nar. 4- 

 toothed: ak flat, cartilaginous-margined, 

 com strongly ciliate: pap a squamellate 

 or cupulate crown and com a slender 

 awn from one or both of angles. 

 P. ACMEZ.Z.A Harv & G, Am ac mem 

 ns, 4:77. B 1:396. 2:458. rrmicroglossa 

 nde IK. 

 P. AQLOSSA G. PI Wright 2:107. B 1: 



730 



397. Laphamia a fide IK. 

 PERITYLE CALIFORNICA Benth. 



Magdalena bay, Baja (Hinds). 

 Bth. bot Sulph 23 t 15. B 1:396. 

 Variety NUDA A, Gray. 

 Ab 427. 



Somewhat pubescent and viscid- 

 glandular; Ivs roundish-cordate, about 

 1 cm broad, incisely lobed, lobes 

 coarsely dentate; hds narrowly oblong; 

 ak oblong, densely hispid-villous on 

 the margins; pappus 0. 



CD (Schott, Or) ; San Clemente Island 

 (Kevin & Lyon). 



P. COBONOFIPOIiIA G. PI Wright 2: 

 82. B 1:307. 



P. CT7NEATA Br. Z 1:54. 

 PERITYLE EMORYI Torr. 

 Emory rec 142, Br, Z 1:114. "1-2 hi, ak 

 entirely awnless in the cat spec." Da 

 10. B 1:3*7. 



Variety NUDA G, B 1:397. 

 Variety ORCUTTII Rose, bot gaz 15:117. 



Cantilles; Santa Maria, Baja (Br). 

 P. PITCHn T. Pac Ry R 4:100. P 1:291. 

 San Bartolome bay: 1165 San Benito Isl; 

 205 Cedros. Greene. Cal as b 2:403 Cruz. 

 PERITYLE GRAYI Rose. 



Guadalupe; Cedros (Palmer). 

 G 11:78. B 1:396. 

 PERITYLE GREENEI Rose. 



Cruz: Cedros; San Benito Isl (Pond). 

 PERITYLE INCANA A. Gray. 



Guadalupe Island (Palmer). 

 P. LEPTOCJ.T.OPSA Harv d- G. B 1:397. 

 PERITYLE MICROGLOSSA Benth. 



La Paz, Baja (Palmer). 

 Bth. bot Sulph lir>. B 1:358. 

 P. NTTDA T. Pac Ry R 4:100. B 1:397 

 as Emoryi var: n. 

 P. PASBYI G. PI Wright 2:106. B 1: 



-Laphamia P fide IK. 



P. P1UMIG-EBA Harv & G. Ar. B 1:39^6. 

 Genus PETALONYX A. Gray. 



Cx-tube very sm. cylindrical, with 5 

 linear decid lobes as long as ova: pet 5, 

 with Ig connivent claws and ovate-spat- 

 ulate blade: sta 5, with free filiform fil. 

 inserted with pet on outer edge of an 

 epizynous disk: anth sm, didymous: ova 

 1-celled: sty simple, elongated: stig en- 

 tire: ovule solitary, pendulous from the 

 summit of the cell: cap very sm, oblg. 

 bursting irr: ed oblg. smooth. Erect per 

 herbs, or shrubby at base, pubescent or 

 rough with sh barbed hairs; Ivs alt, en- 

 tire or toothed: fls sm. y. in terminal 

 ^.d? or sh Ify spikes. 

 PETALONYX LINEARIS Greene. 



Cedros (Greene); Santo Tomas, Baja 

 (Or). 



Cal ac b 1:188. P 1:203. 

 P. NTTIDUS Wat. Am nat 7:300. Ut, B 

 1:238. 



P. FABBYI G 10:72. =nitidus fide IK. 

 B 1:238. 

 PETALONYX THURBERI A. Gray. 



CD; Calamujuet, Baja (Br); Aritona; 

 Nevada. 

 P! Thurb 319. T. bot Mex B t 22. 



Type locality: "valley of the Rio 

 Gila." 



Sts 1-2 ft hi from a somewhat woody 

 base, branching: Ivs ovate to oblg, 1' Iff 

 or less, sm and becoming bract-like 

 (2-3" Ig) on the branches, sessile, acute, 



