:\\n) ITSKFUL PLANTS OF GUAM. 



'rniiik slii.rt. liark .Iccply I'urrowi'd, i-alr; hiaiiclili'ts thick, marked with scars of 

 fallen leaves; t\vip< densely silky-indteseent; leaves closely jiiaced at the end of 

 liranches, 10 to 20 em. lon^', oval or olxivate-oval, much-tai>eriii<r to base, rounded 

 or obtuse at apex, lleshy, densely covered with close silky, white, apjiressed hair; 

 l)etii>le stout, short and obscure; flowers numerous, sessile, cymes ])eduncled, spread- 

 ing, with Iciiii: liranches, silky; buds f^lobose; se])als ovate-rotund, imbricate, densely 

 silkv-hairv; cornlia rotate, over mm. in diameter, lobes rotundatcs spreading:; 

 anthers se.«sile, lar>re, at throat of corolla; ovary glabrous; sti;j:ma sulisessile, oliscnrely 

 2-lobed; fruit the size of a small pea, depressed-globose, inimitciy apiculate, smooth, 

 brown; nutlets corky. 



The tree is of little economic value. Shoe lasts are sometimes made of the wood. 

 It is widely distributed in the Malay archipelajro, the Imlian ami Pacific oceans. 

 The I'olynesian names, signifying "scorched leaf," are applied to it on a(!count of 

 the shriveled appearance of the dead leaves. 

 Rkkekk.nci-x: 



TonnirforCKi aryentea L. f. Suppl. 1 ;>.'>. 17.S1. 

 Tree-cotton. See Goasypium nrhoreum. 



Tree ferns. 



The only tree fern thus far known in ( Jnam is AhophUn haeiikri Presl, a species 

 growing on the banks of streams, first collected by Haenke in 1792, and afterwards 

 by (iaudichaud, who called it Ct/atlifa mariana." 

 Tree mignonette. See Lawsonio (illxi. 

 Trefoil, tick. General name for the' species of Meibomia. 



Tribulus cistoides. Caltrops. 



I'amily Zygophyllaceae 

 A trailing strand jilant with yellow flowers resembling those of Cistus. Branches 

 procumbent or ascending; leaves silky, stipulate, abruptly pinnate; leaflets about 8 

 pairs, oblong, subequal; stipules falcate, acuminate; flowers solitary; sepals 5, 

 caducous, acuminate, silky; petals 5, obovate; disk annular, 10-lol)ed; stamens 10, 

 inserted on the base of the disk, 5 longer opposite the petals, 5 shorter with a little 

 gland outside; filaments filiform, naked; ovary sessile, hirsute; style short, stigmas 

 5; cocci almost woody, tul)ercied and hairy, usually 2-horned, partitioned internally 

 into several 1-seeded compartments. 



A widely spread strand ])lant, easily identified by its conspicuous yellow flowers 

 and horned woody cocci. Not common in Guam, where, according to the natives, it 

 is of recent introduction. A few i)lauts o])served on the sandy beach on the east 

 shore of the island between Pago and Talof6fo. 

 Refkkences: 



Tribulus cisloides L. Sp. PI. 1: 387. 1'"'3. 

 Trichoon roxburg'hii. Reed. Marsit reed. 



Family Poaceae. 



Local xamks. — Karriso (Guam): Cafia, Carrizo (Spanish); Tambo, Tabunak 

 (Philippines); Yoshigo, Yoshi-dsuno (Japan); Nal, Nar, Karka (India); 

 Nalagas (Ceylon); Lu, Tih, Wei (China). 

 A tall perennial grass with stems 2 to 4 meters high, common in marshes and 

 along the banks of streams. The inflorescence forms large spreading lax panicles, 

 with the flowers enveloped with long silky hairs. The plant is gregarious, having 

 creeping, stoloniferous rootstocks: stems stout, hollow, smooth, covered with the 

 leaf sheaths; leaves close togethei', growing in 2 vertical ranks, sword-shaped, with- 

 out ligule, but with a ridge of short hairs instead; panicle decompound, erect, more 



<' Presl, Reliquiae Haenkeanae, vol. 1 , p. 68, 1825. Gaudichaud, Fre5'cinet's Voyage, 

 Botany, p. 365, 1826. 



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