Canotia. SI.MAKI HACK.K. 379 



and bark very Itittcr. — Ami. ISIus. Par. \ii. 7S, t. . j ; Plaiicli. Li.ml. ,f(jur. JJot. 

 V. 0(;7; (Jray, (uii. 111. ii. l.').'.. t. l."»8. 



C. Nicholsoni, II<><>k. a rij,nil ami very siniiy low slinili, tninciitiiliiso-caiiesccnt, cxrfjit 

 the iippiT fate of the leaves: tliese hiiue-linear to <il)li»ii;,'-s|iatu]:ite. from retuse to iniKro- 

 nate or apiculate, very coriaceous, veinless al»ove, oljscurely transversely veined beneath, 

 quarter to half inch long, with mostly revolute margins: flowers saffron colored, very short- 

 pedicelled: drupes red, a quarter or third iuch long. — Bot. Misc. i. 271, t. 55 ; jorr. & 

 Gray, Fl. i. 680 ; I'lanch. 1. e. 566 ; Gray, 1. c. C. erecta, Grisel). Fl. W. Ind. 140, in part, not 

 Tnrp., wliicli is i,^rc(ii and glaltrous. — Coast of Te.xas.' (Antigua, Me.x., &c.) 



5. HOLACANTHA, (iniy. ("OAo?, complete, aKavBa, thorn, tlie naked 

 branehes all thorn-like.) — PI. Thurb. 310; Torr. Bot. Mex. Boninl. lo, t. « ; 

 Benth. & Hook. Gen. i. 310. — Single species. 



H. Emoryi, Gray, 1. c. Kigid shrub, 5 to 10 feet high, with bitter wood, the young parts 

 caiicstiiitly pubescent, nuuh branched, the terete long and naked l)ranchlets tapering into 

 spines: leaves in seedlings alternate, lanceolate or linear, half inch long, thickish, entire or 

 repand or with a pair of l)asal lobes (a small spine in most axils) ; in grown plants mostly 

 reduced to small ovate or subulate green scales, and these deciduous : flowers glomerate on 

 spinescent branchlets, suli.'^essik', canoscent outside, white within : drupes soon dry and nut- 

 like, quarter inch long. — Arid plains of S. Arizona; first coll. by Emory, and figured 

 without name by Engelmann (Emory, Hep. 158, no. 14). 



6. PICRAMNIA, Swartz. (HiKpo's, bitter, eafxvo<;, .shrub.) — Tropiciil 

 American shrubs with bitter wood, alternate imparipinnate leaves, and small 

 greenish flowers more or less glomerate in long and slender pendulous spikes or 

 racemes. — Prodr. Veg. Ind. 27, & Fl. Ind. Occ. i. 217, t. 4; P>enth. & Hook. 

 Gen. i. 31o. 



P. pentandra, S\v.\ktz. Leaflets 5 to 9, ovateo1)long, acuminate, glabrous, shining above: 

 jiftals ;incl stamens 5: .stigmas 2, sessile, diverging: berries rounded at both ends, reddish, 

 turning black.— Fl. Ind. Occ. i. 220, t. 4 ; A. Rich. Fl. Cub. M<i; Griseb. Fl. W. Ind. 140. 



— Forests of S. Florida, Curhcr, Curtiss. 



7. KCEBERLlNIA, Zucc. (C. L. Koeherlin, a German amateur bot:i- 

 nist.) — Zucc. Abh. Akad. Miinchen, i. 358, & Flora, 1832, pt. 2, Beibl. 74; 

 Gray, PI. Wright, i. 30. — Single species. 



K. spinosa, Zucc. 11. cc. Leafless shrub or small tree : branches slender and green- 

 barked, rigid but rush-like, spine-tipped, either alternate or opposite, and subtended by 

 minute and subulate glal)rous scales : flowers small, in umbelliform lateral fascicles, \vhite or 

 whitish : berries red, not over three lines in diameter, soon dry. — Benth. I'l. llartw. 35 ; Torr. 

 liot. Mex. Bound. 42.2 — S. Texas, on and near the Rio Grande, to S. Arizona. (Mex.) 



8. CANOTIA, Torr. (Native Mexican name.) — Pacif. R. Rep. iv. 68; 

 Gray, Bot. Ives Rep. 15, & Proc. Am. Acad. xii. 159; Brew. &, Wats. Bot. 

 Calif, i. 190; Rothrock in Wheeler, Rep, vi. 81, t. 1.* — Single species. 



C. holacantha, Tork. 1. c. A glabrous and green-branched shrub or low tree (sometimes 

 20 to .•{() feet high with trunk at l)a.se a foot in diameter): l>ranches slender, rush-like, 

 mo.stly si)iny-tipped, not very rigid: wood and bark not bitter: leaves so far as known 

 reduced to minute alternate scales, and the.se deciduous: flowers in small fascicles or pani- 

 cles, globular in the bud : pet.^]s greenish white, 2 lines long: fruit an inch long. — I'lains, 

 hillsides, and canons of Arizona;* first coll. by A'wory, then in fruit by Bifjdi.w, in flower by 

 Palmer, Rothrock, and Pringle. 



1 Ascending the Rio Grande as far as Eagle I'ass, ace. to Coulter, Contrib. U. S. Nat. Ilorb. ii. 55. 



2 Aibl Sarf;ont, Sdv. i. 93, t. 40. 

 8 Aild Sarpont, 1. c. 87, t. .37. 



* Also on the Providence Mts., S. E. California, Cooper, ace. to I^rtw. & Wats. Rot. Calif, i. 190. 



