Condalia. RHAMNACEiE. 403 



361 ; Weberbauer in Engl. & Prantl, Nat. Pflanzenf. iii. Ab. 5, 404 (including 



Zizyphus of writers on North American botany) . — Of the warmer regions of 



the New World. 



* Apetalous : sepals persistent : placenta 1 ; styles slightly 2-3-lobed. — § Eucondalia. 



C. obovata, Hook. Small tree, velvety-pubescent or at length glabrate, the somewhat 

 angled twigs with white flaking epidermis : leaves drying brown or black above, at length 

 glabrous, spatulate to obovate, loug-cuneate, mostly mucronate and entire, minutely sub- 

 revolute, short-petioled, 6 to 12 lines long : flowers very short-stalked: drupe subglobose, 2 

 to 3 lines in diameter ; the short stout style disarticulating at about the middle ; stigma 3- 

 lobed. — Ic. t. 287; Torr. & Gray, Fl. i. 685; Gray, Gen. 111. ii. 172. t. 164; Trelease, 1. c. 

 361 ; Sargent, Silv. ii. 25, t. 57 ; Weberbauer, 1. c. — Central and S. Texas. (Mex.) 



C. Mexicana, Schlecht. In aspect somewhat intermediate between the preceding and 

 following, mostly persistently dingy-velvety : leaves short-villous, obovate or oblanceolate, 

 acute below, almost sessile, about 3 lines long : flowers nearly sessile : drupe ellipsoidal, 2 

 to 3 lines long ; style short, disarticulating at about the middle. — Linncea, xv. 471 ; Trelease, 

 I. c. 362. — S. Arizona. (Mex.) Specimens from San Julio Canon, Lower Calif ., Brandegee, 

 have elongated fruit 3 lines long, and large obovate mucronate to deeply emarginate long- 

 decurrent glabrous leaves, as in the preceding, but pass into the type through Mexican speci- 

 mens, Gveijg, no. 795. 



C. spathulata, Gray. Shrub, mostly velvety, the twigs reddish with pruinose incrusta- 

 tions : leaves typically smaller, narrowly spatulate, cuueate, acute to emarginate, green on 

 both sides, glabrous or velvety, thick, with few broad veins, very short-petioled, 3 to scarcely 

 6 lines long : pedicels a line long : drupe obliquely ovoid, 2 lines long, the slender style dis- 

 articulating near the end ; stigma 2-lobed. — PI. Wright, i. 32, ii. 27 ; Torr. Bot. Mex. Bound. 

 47 ; Trelease, 1. c. 362 ; Weberbauer, 1. c. — S. W. Texas to Mesquite, California, Parish^ 

 no. 793. (Mex.) 



* * Petals present : sepals deciduous : placentae 2 ; style bifid. Zizyphus of most writers 

 on North American botany. — § Coiidaliopsis. 



■^ Umbels on a short peduncle : calyx fleshy : drupe beakless, with a thin-walled stone. 



C. Obtusifolia, Weberbauer, 1. c. Mostly rigid and spinose, somewliat pubefcent to gla- 

 brate, the angled twigs with pruinose flaking epidermis : leaves sometimes glabrescent, 

 typically thin and green, spatulate to elliptical or ovate-deltoid on long shoots, acute to 

 emarginate, entire or the broader forms unequally and coarsely serrate or almost lobed, 3 

 to 12 lines long, mostly 3-nerved : peduncle and pedicels each about a line long, mostly vil- 

 lous, like tlie calyx: drupe subglobose, 4 lines in diameter. — Rhamnus ? obtusifolius, Hook, 

 in Torr. & Gray, Fl. i. 685 ; Scheele, Linncea, xxi. 595. Zizyphus obtusifolia. Gray, Gen. 

 III. ii. 170, t. 163, & PI. Lindh. pf. 2, 168; Trelease, 1. c. 362. Paliurus Texanus, Scheele, 

 Linnaja, xxi. 594. — S. Texas. (Northern Mex.) 



C. lycioides, Weberbauer, 1. c. Very rigid and spinose, the striate zigzag twigs whitened : 

 leaves subglabrous, rather thin, pale, oblong or occasionally ovate, obtuse or emarginate, 

 usually entire, 6 lines long or less : drupes as in the last or somewhat elongated. — Zizyphus 

 lycioides, Gray, PI. Lindh. pt. 2, 168 ; Trelease, 1. c. 363. — S. W. Texas. (Mex.) 



Var. canescens, Trelease, n. comb. More hairy, with green-gray twigs, the 

 mostly tomentose leaves thicker and usually broader, elliptical to ovate-deltoid, entire, 

 denticulate or somewhat 3-lobed. — Zizyphus lycioidp3, var. canescens, Gray in Pothrock, 

 Wheeler Pep. vi. 82 ; Trelease, 1. c. 363. — S. E. Arizona to Mammoth Tank, California, 

 Prinr/le & Parish, no. 1181. (Lower Calif.) In aspect of foliage connecting this species 

 with the preceding. 



-f- ^- Umliels sessile : calyx-segments thinner, less keeled within : drupe larger, beaked, 

 nearly dry, with a thick-walled hard and bony kernel. 



C. Parryi, Weberbauer, 1. c. Flexuously much branched and slender-spiny, glabrous 

 throughout : twigs less sulcate, scarcely incrusted : leaves mostly fascicled, green, glos.'iy, at 

 length firm, reticulate-veiny, ol)ovate t(j elliptical, 4 to 6 lines long, tapering to slender peti- 

 oles of e(iual length : pedicels very slender, 2 or 3 lines long, becoming twice as long and 



