Urvillea. SAI'INDACK.E. 441 



3-foliolate, covered, especially beneath, with a more or less pronounced and persistcut tonien- 



tuiii ; leutiets more coarsely toothed: fruit also tomentulose. — Hull. Soc. liot. Ik-lg. 



xxix. 43 (as subsp.) ; Sartjeut, tiard. & For. iv. 148. A. Culi/uniirnm, Dietr. Syii. ii. 12h;j. 



Nefjundo Calijhniicnm, Torr. & (Jray, V\. i. 250, 084 ; Hook. & Am. Hot. Hi-cch. 327, t. 77 ; 



Nutt. Sylv. ii. 90. t. 72. X aceroides, Torr. I'acif. K. Hep. iv. 74, &c., not Ma-nch. \. 



aceroiiles, var. Cali/umicnm, Sargent, 1. c. ii. 3G4. — Uiver hanks, &c., Central California, 



together with but much more common than a smoothish 3-foliolate form indistinguishable 



from the type. 



A. seukAtim, Pax (in Engl. Jahrb. vi. 296 et seq. ; Negundo Mericatium, DC. Prodr. i. 596 ; 

 A. Mexicaniim, Pax, 1. c. vii. 212, not Gray), is a nearly related species of S. Mexico and Ccntr. 

 America, characterized by an even sliarp serration of its caudate-acuminate leaflets. After aj)- 

 plying the name A. Mexicanum to this species, notwithstanding tlie earlier use by Dr. Gray of 

 the same combinatiou for a species of Acer pr<)])er, Professor I'ax a])pear8 to have confused 

 the two, as he refers (in Engl. & Prantl, Nat. I'flanzenf. iii. Ab. 5, 271 ) to an " A. Mexicanum 

 (DC.) Gray." 



3. DODON^A, L., not Plum. {Rembert J)o<Joens, Fl.iiii>li botanist, 

 1517 (?) to 1585, arcliiater ut the German imperial court, and author of the 

 Cruydeboek.) — Shrubs and small trees with alternate oblanceolate to linear 

 entire or (in Madagascar and Australia) toothed or pinnate leaves, commonly 

 with glands emitting a viscous resinous or varnish-like exudation. F'lowers dia*- 

 cious, apetalous, anomalous in the obsolete disk. — Gen. no. 855 ; Lam. 111. t. 304 ; 

 Cav. Ic. t. 327 ; DC. Prodr. i. 616 ; Gray, Gen. III. ii. 217, t. 182 ; Benth. F'l. 

 Austr. i. 472 ; Benth. & Hook. Gen. i. 410; Radlk. in P:ngl. & Prantl, Nat. 

 Pflanzenf. iii. Ab. 5, 356. E)npleurosma, Bartl. in Lehm. PI. Preiss. ii. 228. — 

 A difficult and chiefly Australian genus, of which a single highly polymorphous 

 and widely distributed species attains our southern borders. 



D. viscosa, -Tacq. Glabrous viscid slirub, 4 to 12 feet high : branchlets covered witli red- 

 disli shredded bark : leaves very varialde in hrcadtli, entire, finely jiinnately veined, euncate 

 to sliort petioles, resinous-dotted on both surfaces, scarcely paler beneath : flowers small, 

 greenish, at length slender-pedicelled in short axillary or terminal racemes: capsules 6 to 

 10 lines broad, nearly as long, broadly 3-winged, notched at the apex and more or less cor- 

 date at the base : seeds dark-colored, only one maturing in eacli cell. — Enum. PI. Carib. 

 19; L. Mant. ii. 228 ; DC. 1. c. ; Gray, i. c. D. Buniia)miaiia, DC. I. c. I). Schiedinnn, 

 Schlecht, Linuaea, xviii. 49; Torr. Hot. Mex. Bound. 48. — Very widely di.-Jtriliuted in 

 Avarm countries and in the Southern Hemisphere, variable but with ill-defined forms. The 

 commoner more typical form (var. vrLoARis, Benth. 1. c.) with leaves lancetdate, acute or 

 acutish, and capsule mostly large with deep narrow notch at the summit, is common in 

 Mexico and apprnaclies the Lower Rio Grande, Berlandier, no. 2359. Within our limits are 

 the followitig foliar varieties. 



Var. spathulata, Bentu. 1. c. 476. Leaves oblong-spatulate, relatively broad, very 

 obtuse, rounded, or often retnse and mncronulate at the apex: capsule of the type. — 

 D. spathulata, Smith in Hees. Cyd. xii. — Sandy .«oil, Florida, on the Indian Hiver. &c., 

 Gather, Cnrtlss, Hassler. (W. Ind., Australia.) D. nana, Sliuttl. incd., is a small-leaved 

 form of this, Florida, coll. Rufjel. 



Var. angUStifolia, Bkvth. 1. c. Leaves linear or nearly so. acutish, somewhat 

 thicker and paler than in the other varieties : capsules mostly smaller and with shallower 

 more open sinus at the summit. — D. anqusti folia, L. f. Suppl. 218. — Sandy .soil, near 

 .streams. Arizona, in Santa Cat.alina Mts.. Prinfjie; Ft. Lowell. Lrmmnn ; Mescal Mts., 

 Jniirx ; fl. February to September; fr. .adhering nearly throughout the year. (Sonora, 

 Thurher, Hartman : Chihuahua, Palmer; and wicbdy distributed with tlie broa-lerleaved 

 forms.) 



4. URVtLLEA, IIBK. (Rear AdmiralJ. S. C. Diimont d' Urrille. born 

 1790, commander of a French antarctic exploring expedition, 1837-1840.) — 



