448 SAPINDACE.E. ^sculus. 



the Southern States from Kentucky and W. Tennessee to N. Carolina and Florida ; fl. 

 March to April. 



§ 3. Macrothyrsus, Reichenb. 1. c. Petals 4 (-5), narrow, spatulate, sub- 

 equal, much exceeded by the stamens. Calyx regular or nearly so, narrow, tubu- 

 lar, o-toothed. Fruit smooth except for the persistent spine-like base of the style. 

 — Macrothyrsus, Spach, 1. c. 61. — S. Atlantic and Gulf States. 

 yip., parviflora, Walt, a shrub, 5 to 10 feet high : leaves pedately 5(-7)-foliolate; leaflets 

 large, uliovate, finely serrate, sharply or even caudately acuminate, darlc green and glabrous 

 abme, pale and tomentulose beneath : racemose panicle very long, slender, at flrst spike- 

 like : calyx 3 lines in length, much exceeded by the narrow wiiite petals, tiiese in their turn 

 much surpassed by the long filiform stamens (inch to inch and half in length) : fruit small, 

 globose, tipped with the sharp and somewhat persistent style. — Car. 128; Chapm. Fl. 80; 

 Gray, Fl. For. Trees N. A. t. .31. yE. macrostachj/a, Michx. Fl. i. 220; Jacq. Ec. i. 17, t. 9 ; 

 Sims' Bot. Mag. t. 2118; Ell. Sk. i. 436; Colla, Hort. Hipul. t. 19; Guimp. Otto & Haync, 

 I.e. t. 26. — Upper country, Georgia, S. Carolina, and Alabama. An attractive species 

 frequent in cultivation. 



§ 4. Calothyusus, Reichenb. 1. c. Petals 4, subequal, much exceeded by 

 the stamens. Calyx short, symmetrical at the base; limb 2-lipped and cleft 

 somewhat more deeply upon one side ; the lips entire or minutely 2-3-toothed. 

 Fruit unarmed, at first (as well as the calyx) canescent-tomentulose, soon gla- 

 brate. Flowers relatively small and very numerous. — Pax, 1. c. Calothyrsus, 

 Spach, 1. c. 62. — Pacific Slope. 



lEi. Calif ornica, Nutt. A tree of moderate height with purple branchlets : leaves 5 fdio- 

 late ; petiules stout, flattened or grooved above ; leaflets glabrous upon both surfaces, and 

 crenate serrulate, oblong-lanceolate in outline, acutish to acuminate at tlie apex, but mostly 

 abrupt or even subcordate at the base, paler and yellowish green beneath, the outside jiair 

 subse.ssile, or with short petiolules, the otlier three slender-stalked : petals with sbort claws 

 and oblong crisped blades. — Nutt. in Torr. & Gray, Fl. i. 2.51 ; Hook. & Arn. Bot. Beech. 

 327 ; Henth. PI. Hartw. 301 ; Nutt. Sylv. ii. 69, t. 64 ; Hook. Bot. Mag. t. 5077 ; Fl. Serres, 

 xiii. 39, t. 1312; Sargent, Silv. ii. 61, t. 71, 72. Calothi/rsus Californicn, Spach, 1. c. Paria 

 Coli/ornica, Hartw. Jour. Hort. Soc. Lond. ii. 123. — Western Central California from Mt. 

 Shasta (ace. to Brew. & Wats.) to Santa Barbara Co. and eastward to Fort Tojon, Rothrork ; 

 fl. ace. to locality May to July. 



M. PArryi, Gray (Proc. Am. Acad. xvii. 200), is a related species of N. Lower California, 

 but on account of its .5 fid calyx scarcely to be referred to this section. It may reach S. Calif., 

 and may be readily di.^tinguished by its obovate obtusish leaflets which are canescent-tomentu- 

 lose beneath. (N. Lower Calif., Pringle & Parry, Orcutl.) 



Order XLV. POLYGALACE^. 

 By B. L. Robinson. 



Herbaceous, shrubby, or in warmer countries arborescent plants with watery 

 juice (except in the roots of certain species), simple alternate or more rarely 

 opposite or verticillate entire mostly exstipulate leaves, simple hairs, and zygo- 

 morphous pseudo-papilionaceous flowers. Sepals 5, free (in one foreign genus 

 adnate to the petals and androccium), strongly imbricated, the odd one dorsal, this 

 and the anterior pair external, small, sepaloid ; the lateral (inner) ones, com- 



