313 



SIM ARUB ACEiE . 



Quassia amara L. f. Suppl. Syst. Veg. 235 (1781). Only u single phmt seen near 



tlie <ul,£^e of woodis. Maiizaiiillo, :Murch 2 to 18, 1891. Ko. 1338. 

 Rigiostachys bracteata Plan. Lond. Journ. Bot. vi. 30 (1847). A small tree, JO 

 feet liigh, "vvith trunk 3 inclioa in diameter, lienring a largo branching top; 

 leallets A^ery varialilo in size nnd shape: ilowers '^ white" or y^ellow: petals 

 jublong, 4 lines long, cun<'a1e at base: ovaries 1 or 2, 2-seede<l : seeds collateral: 

 fruit, a small dru]»e { ?), 8 to 9 lines long: brown, glabrous, with a thin brittle 

 iiitegtimont: seed oblong, 6 lines long: cotyledons JlesLy, incumbent; albumen 

 none. Mauzanillo, :\Iarch 2 to 18, 1891. Xo. 1334. 



Jientbam and Hooker state that the ovules are frecjueutly solitary. In the 

 few cases I have cKamined the ovules were uniformly two. This species has not 

 before been collected infruit. Galleotti'sspecimens wore only in tlower and were 

 obtained froiu the const of OaxiU'a about the year 1839. 8o far as 1 can learn 

 this species has not since been collected. The positioTi of the genus is very 

 uncertain, as the history of it will show. 



This genus was d(!scribed by Plancdion in Hooker's l.ond. Journ. Bot. vi. 29 

 (1847). He places it next to Sitriaiid (Suiiaruhaced-) andeonsidi^rs it a connecting 

 link between tho orders (Umnavai'ew and (khnacav. He states that it has the 

 leaves of a Sapindua (Sajrindacea:), the aspect of a Comphia, and the structure 

 oi: Sitrlana. 



AValper in his Annales Bot. Syst. i. 202 (1848) ref(u-s the genus to Connarace(v. 

 and Bentham Hooker in Gen. Phmt. i. 309 (1862) place it in 8hnariihacc((', but 

 speak of its doubtful aitinities and suggest its jirobablo reference to Jiomcew. 

 Baillon in Adinsonia x. 42 (1871) is also iutdined to refer it to this latter order. 

 Hemsley iu Biol. Centr.-Amer. i. 173, retains it in Simarnba<:f<r. 



Baillon also refers to the genus in Hist, des PL iv. 408 (translation iv.415) and 

 Diet. Bot. iii. 738. 

 Alvaradoa amorphoides iJebm. Kjo(dt Vidensk. Meddel. 1853. 101 (1854). Colima, 

 January 9 to February 6, 1891. No. 1245. 



Prof. Kadlkofer considers that this ginius ])elongs to AS(Ht«?-»fcacecc rather tliau 

 to iSapindacea', to -which it has generally been referred. 



BURSERACEJE. 



Bursera laxiflora Watson, Proc. Amor. Acad. xxiv. 44 (1889). A small tree on the 

 rolling hills and plains. Agiabampo, October 3 to 15, 1890. Xo. 797, 



Bursera ovalifolia Englcr, in DC. Monog. Plian, iv. 40 (1883). A tree 30 feet liigb 

 with long naked trunk 1 foot in diauu^ter, and large umbrella-like top : leallets 

 1 to 5: fruit in short racemes. Manzanillo, March 2 to 18, 1891. A'o. 1388. 



This is one of the most cousiacnons trees of the mountain slopes facing the 

 lagoon at Manzanillo. 



Bursera palmeri Watson, Proc. Amer. Acad. xxil. 402 (1887). A small tree, 10 feet 

 high, wdth2 8tems from the base: leaflets larger and less reticulated than in the 

 type. Along the sandy beach. Manzanilb), December 1 to 31, 1890. Ko. 987, 



MELIACEiE. 



Guarea palmeri Eose, Bot. Gaz. xix. 39 (1894); fidiis modice petiolatis 2-G-jugi8, 

 foliolis oppositis subsessilibus e basi cuneata oblongis vel oV)Ovato-lanceolati8 

 apice obtusis supra glabris 8ul)tuM ad axillas nervorum secundariorum ])ilo8is, 

 panicnlis siuiplicibns raccmiibrmibus, calyce obtuse 4-partito, ovario glabro 

 4-loculari loculis nniovulatis, capsnla subglobosa glabra bcvi, semine in arillo 

 hete rubro immerse. — In Manzanillo (Palmer 1391), 



Arbor nu'diocris 5m, alta gl.'^bra, Marte fructifera, corona lata synnnetrica. 

 Kamipallide fusces<nmtcs lenticillis concoh)ribns. Folia 12-2G cm. longa. I'oliola 



