328 



to 'A iiiclK'S l()n<;, ol)l()n.if or oval, soiiiowliat oblii|iu\ aciit,i>, roiiiidrd ;it h:\sc, 

 s(roiiyly rcti<iil;ite(l, ii, littio iiuIkmiiIi'iU. beneath: Mowers in siiiall, compiict, 

 IioadH in terminal naked raecriiies: lognnie largo, Hto lOinclieslong, 1 lol^, Indies 

 broad; stipes {) toll* lines lon^. 'I'his is /.. macvophiiUa, Watson I'rctc. Amer. 

 Acad. xxii. 109, eolleeted by I'almer at UMo lUaneo, State of .liilisco, Angust 1886 

 (No. 320). The llowerinff 8])eciineus of No. ;>2() are made the tyiie of this Hpeeies. 

 Here nndonbtedly belongs Pringle's \o. 881S, from the same State, eolleeted in 

 18!tl and distribnted nnder L. mae>o))h]iU<i. bnt the name is eorreeted in Mr. 

 I'ringle's list for 18!)2. ralmer'sXo.981 from Manzanillo (December 1 to;^l,18iH) 

 is also referred here, bnt with less confidence. Tln^ s]tecinienM are <mly in fniJt 

 and the foliage and legumes are so similar to Mr. Hrandegee's AUnzzia ocdHeutalih 

 that withont llowers it is next to im])ossible to separate the two. l^ilmer's Jalisco 

 plant, w!ii<'li is nndonbtedly a true Linanui, has po<ls exactly like tlios<' from 

 Man/anillo. 



Mr. iloinsley has compared these specimens with the type at Kew and decided 

 that it is not the /.. marroplnilUi of Bentham. The loaves are in fact miieli 

 larfjcr than in that sjkmmcs. 



Acacia cochliacantha Mnnib. & Hon]), in Willd. Sp. PI. iv. 1081 (180r)). Some- 

 times a tree :50 feet high. Mau/.anillo, March 2 to 18, 18!)1. Xos. 1353, 1331. 

 Xaiitns found it here in 1S,")9 and '(iO. 



Acacia coulteri 15enth. in tJray, PI. Wright, i. (Hi (18.")2). A hand.somc tree, L'O 

 feet high. 3 to 5 inches in diameter: leaA'es large, often with 2.'i pairs of ])iun;e: 

 spikes! too inches long, iu pairs, often forming terminal racemes 10 irK'hes long: 

 llowers sweet-scented: legume with thin valves covered with a close tomentnm. 

 Alongriver bottoms and mountainsides, t'<dinia, January 11 t<i February*), ISiU. 

 No. 120!t. 



1 have seen lloweriiig sjtecimens only of .1. eoiiUeriy with which the above com- 

 pares fairly well. iicutham's description, however, calls fiir fewer ])iunie, 

 shorter stiju's. and glabrous pods. 



Acacia spadicigera (iiam. &, Schlecht. Linna'a, v. 594 (1830). A large tree, a foot 

 in diameter: Mowers sweet-scented. Mauzanillo, Mandi 2 to IS, IKOl. No. 139"). 

 This is one of the Acacias in which the tree-inhabiting ants live. They nest 

 in tiie lavge stipular spines, each pair being inhabited by a colony. 



Acacia -willardiana Kose, Coutr. Nat. Herb. i. W (1890) ; Prosopisheterophjilla Heiilh. 

 inLimd..lonrii. liot. v. 82 (181(1). 



Dr. Palmer baa re-collect«Hl an abundance of these plants in flower and fruit. 

 Seed has been distributed, and it is hoped that the s]»ecies will prove valuable 

 in cnltivatiou. diuaymas, April 1 to 2 (in llower) and .Inly, 1891 (in fruit). No. 

 Ifilaand Kill.. 



Mr. Uraiidegeehaa recently sent me specimens collected at Guaymas, May 12, 

 and at Herniosillo, May 22, 1892. 



Acacia s\>. Large tree, 30 feet high, 1 foot in diameter. Near the base of the nioun- 

 tains. Manzanillo, Mareli 2 to 18, 1891. No. 1401. 



This species is <mly in fruit. It is near A. cochliacantha. 



Calliandra coulteri Watson, Proe. Amer. Acad. xvii. Vi'i'I (1882). Six to eight feet 

 high. Mau/auillo, Deeeuiber 1 to 31, 1890. No. X9(). 



Calliandra grandiflora (L'ller.) Heiith. iu Hook. .Journ. Hot. ii. 139 (1840); Mimom 

 (frundifiorn L'lln-. Sort. Angl.30 (1788). Shrub, 8 to 10 feet bigli. Along river 

 banks. Colima. .January 9 to February (!, 1891. N<i. 1200. 



Pithecolobhim dulce (Roxb.) Hentli. in Hook. Lonil. Jouru. Pot. iii. 199 (1844); 

 Mimom ihdciH Koxb. Coroni, PI. i. 67 t. 99 (1795). Man/.anillo, Dec(Mnber 1 to 31, 

 1890, No. 966; also, Agiabam])o, October 3 to 15, 1890. No. 800. 



Pithecolobium tortum Mart. Herb. FI. Hras. 114 (18,37). A diffuse slirnb, 8 to 10 

 ft^ct high: r.uchis 2 to W inches long, bearing a small gland half way between 

 the base and lirst i)air of pinna-, and geut^rally between the n])permost pair; 



