3332 



THLADIANTHA 



fls. in a compact spike: pod glabrous. June, July. 

 Western states. B.B. 2:265. 



lanceolata, R. Br. (Podalyria lupinoides, Willd.). 

 Sts. 6-12 in. high: Ivs. nearly sessile, the lower and 

 uppermost ones often simple; Ifts. oblong-lanceolate, 

 silky-puberulent on both surfaces; stipules lanceolate, 

 half as long as Ifts.J fls. geminate or somewhat verticil- 

 late, bright yellow. Siberia and Alaska. B.M. 1389. 



AA. Pod straight or only slightly curved at the apex. 

 B. Plant 3-5 ft. high. 



caroliniana, Curtis. St. stout, smooth, simple: Ivs. 

 long-petioled; Ifts. obovate-oblong, silky beneath; 

 stipules large, clasping: racemes 6-12 in. long, erect, 

 rigid, many-fld.: pod 2 in. long, erect, villous, and 

 hoary. June, July. Mountains of N. C. 



BB. Plant 1-3 ft. high. 

 c. Stipules longer than the petiole. 

 montana, Nutt. Plant 1M ft. high, somewhat silky- 

 pubescent: Ifts. oblong-obovate to oblong, 1-3 in. long: 

 fls. in long spikes: pod straight, erect, pubescent. May, 

 June. Western states. B.M. 3611. B.R. 1272 (both 

 erroneously as T.fabacea). Sometimes called "buffalo 

 pen" in the West. 



cc. Stipules shorter than the petiole. 



D. Racemes axillary. 



fabacea, DC. Resembles T. montana and has pos- 

 sibly been confounded with it in the trade. It differs in 

 having more spreading pods and larger and more com- 

 pressed seeds. May, June. Siberia. 



DD. Racemes terminal. 



m611is, Curtis. St. erect, branched, 2-3 ft. high, 

 pubescent: Ifts. obovate-oblong, 1-2 in. long: racemes 

 6-10 in. long: pod slightly curved at the end, 2-4 in. 

 long. May- July. Va. and N. C. 



fraxinifdlia, Curtis. Sts. 1-3 ft. high: Ifts. 3, oblance- 

 olate to elliptic, oval or lanceolate, glabrous or nearly 

 so; stipules linear to linear-lanceolate: fls. in a loose 

 raceme 4-12 in. long: pod falcate, linear, pubescent, 

 2-4 in. long. Mountains of N. C. and Ga. 



F. W. BARCLAY. 



F. TRACY HuBBARD.f 



THESPESIA (Greek, divine; application doubtful). 

 Malvdcese. Trees or tall herbs, grown in the warm- 

 house, and planted in warm regions. 



Leaves entire or angulate-lobed : fls. usually yellow, 

 showy; calyx truncate, minutely or bristle-toothed, 

 rarely 5-cleft; ovary 5-celled: caps, woody-coriaceous, 

 loculicidally 5-valved. About 10 species, Trop. Afr., 

 Asia and the islands of the Pacific, and 1 from Porto 

 Rico. They have the aspect erf hibiscus and may be 

 distinguished by the confluent stigmas, more woody 

 caps., and the obovoid compressed seeds. 



populnea, Soland. A small tree with the younger por- 

 tions covered with peltate scales: Ivs. long-petioled, 

 ovate, cordate, acuminate, 3 in. across: fls. axillary, 

 2-3 in. across, yellow. Trop. Asia, Afr., and the islands 

 of the Pacific. Cult, in S. Calif., where it is said to 

 succeed only in warm and moist locations. The fls. are 

 described as varying from yellow to purple. A com- 

 mon tree on tropical seacoasts, reaching 30-40 or even 

 50 ft., with dense top, blooming all the year; the inner 

 bark yields a fiber, and the wood is durable and useful. 



T. grandifldra, DC. Tree, 30-45 ft. high: Ivs. ovate, subcordate, 

 apex subacuminate: fls. purple or red, 4-5 in. diam. Porto Rico. 

 The wood is used in Porto Rico for furniture and other 



it is recommended for ornamental uses. 



. 

 purposes and 



. 



F. TRACY HUBBARD.! 



THEVETIA (named for Andre" Thevet, a French 

 monk, 1502-1590). Apocynacese. Glabrous small trees 

 or shrubs which are grown in the warmhouse, or out- 

 of-doors in the extreme South. 



Leaves alternate, 1-nerved or lightly feather- veined: 



fls. large, yellow, in terminal, few-fid, cymes; calyx 5- 

 parted, many-glanded inside at the base, segms. acute, 

 spreading; corolla funnelform; lobes broad, twisted; 

 disk none; ovary shortly or deeply 2-lobed, 2-celled: 

 drupe broader than long, 2-celled. About 10 species, 

 Trop. Mex. southward to Paraguay. 



The yellow oleander of Florida gardens, T. nereifolia, 

 is a very ornamental small evergreen shrub, growing 

 luxuriantly in rich sandy soil, not too moist and not 

 too dry, ultimately attaining a height of 6 to 8 feet and 

 almost as much in diameter. The foliage is abundant, 

 light glossy green, and reminds one of the oleander, but 

 the leaves are narrower. The pale yellow flowers are 

 abundantly produced. The fruit, which is of the size 

 and somewhat of the form of a hickory-nut, is regarded 

 as poisonous by the negroes. Thevetia can stand a few 

 degrees of frost. If banked with dry sand in fall it does 

 not suffer to any great extent, although the top may 

 be killed. (H. Nehrling.) 



A. Lvs. 8-10 in. long, about 2 in. wide. 

 nitida, DC. A tender shrub: Ivs. oblong-lanceolate, 

 acuminate, margins revolute: fls. rather large; corolla 

 white, with a yellow throat. W. Indies; cult, in S. Calif. 



AA. Lvs. 3-6 in. long, less than ]^in. wide. 

 nereifolia, Juss. Known locally in Fla. as ''trumpet- 

 flower" and incorrectly as "yellow oleander." A ten- 

 der shrub: Ivs. linear, shining, margins revolute: fls. 

 about 3 in. long, yellow, fragrant. W. Indies, Mex. 

 B.M. 2309 (as Cerbera Thevetia). Cult, in S. Fla. and 

 S- Calif. p. TRACY HUBBARD.! 



THIBAUDIA (named for Thiebaud de Berneaud, a 

 French botanist). Ericaceae. Shrubs with the st. some- 

 times tall-climbing: Ivs. alternate, persistent and 

 leathery: fls. in numerous many-fld. axillary racemes, 

 scarlet; calyx 5-lobed or 5-toothed; corolla tubular, 

 contracted at the mouth, 5-lobed; stamens 10; ovary 

 ^celled: berry small, globose, 5-celled. About 20 spe- 

 cies, Trop. Amer. Probably none of the true Thibaudias 

 is common in cult., although the two following species 

 have been grown. T. floribunda, HBK., with grayish 

 branches, oblong-lanceolate Ivs. and glabrous fls. in 

 solitary raceme. Peru. T. pichinchensis, Benth., 

 growing 6-12 ft. high, with Ivs. 3-4 in. long and oval- 

 oblong or sublanceolate and the calyx scurfy-tomentose. 

 Ecuador. T. acuminata, Wall., is correctly Corallo- 

 botrys acuminata, Hook. f. (Epigynium acuminatum, 

 Klotzsch). Shrub 2-4 ft. high: branches thick: Ivs. 

 alternate, petioled, 5 x 1 J^ in., sometimes 10 x 2% in., 

 lanceolate, base cuneate, glabrous: fls. red, in axillary 

 corymbs; calyx-tube cinereous pubescent or glabrous, 

 5-lobed; corolla glabrous or glandular-puberulent out- 

 side, small, 5-toothed. India. B.M. 5010. 



T. glabra, Griff.=Agapetes glabra. T. macrdntha, Hook.=Aga- 

 petes macrantha. J.F. 1:95. R.B. 26:181. T. pulchra, Hort., is 

 offered in the trade as an orange-red-fld. form. This may be the 

 same as T. pulcherrima, Wall., which equals Agapetes variegata. 

 T. setigera, Wall.=Agapetes setigera. 



THISTLE: Carduus, Cirsium. Blessed T.: Cnicus. Cotton T.: 

 Onoporden. Globe T. : Echinops. Golden T.: Scolymus. Scotch 

 T. : Onopordon. Sow T. : Sonchus. 



THLADIANTHA (Greek, to crush and flower; the 

 author of the genus is said to have named it from 

 pressed specimens). Cueurbitacese. Herbaceous softly 

 pubescent vines with tuberous roots, some of which are 

 hardy, others adapted to the greenhouse. 



Leaves ovate-cordate, denticulate, sinus deep; ten- 

 drils simple: fls. dioecious, rather large, golden yellow; 

 male fls. solitary or racemose, calyx-tube short-cam- 

 panulate, 5-lobed, corolla rather irregularly campanu- 

 late, 5-parted, stamens 5, ovary rudimentary; female 

 fls. solitary, calyx and corolla as in the male, stamens 

 rudimentary or none; ovary oblong, pubescent, with 3 

 placentae: fr. oblong, fleshy, indehiscent, many-seeded. 

 About 13 species, China, Java, and Himalayas. 



