1792 



THALICTRUM 



THE0BR031A 



2494. Thalictrum Fendleri ( 



the three angles, stipitate. Summer. Mts. of E. China. 

 B.M.. 71.=)2. G.C. III. 8:12.'i.-A close ally of T. Cheli- 

 donii of the Himalayas so much admired in Europe. 

 Well worth introduc- 

 tion. 



ll.occidentile, Gray. 

 Allied to T. dioioum, 

 which it closely resem- 

 bles, but it is more ro- 

 bust and taller: Ivs. 

 glandular -puberulent : 

 akenes long, slender, 

 thin - walled, S-edged, 

 ribbed, not furrowed. 

 12. Ffindleri.Ensehn. 

 Fii;. -Jt'.U. .\ vanMl.U- 



iii-li. ri'.th.r .u.u\ ana 



..rl„,-,i,,U', u^n:ul> with 



iiKcuy .liall..« ...uuded 

 .11- acuminate lobes; 

 1. uses variable: fls. di- 

 (llIous, in rather com- 

 pact panicles; stamens 

 many, anthers long : 

 akenes nearly sessile, 

 obliquely ovate, flat- 

 k tened, 3-4 ribs on each 

 3k face. July. Aufj. W. 

 Texas to Montana. 



13. polycArpnm, Wat- 

 son. Allied to T. Fend- 

 leri: glabrousthrough- 

 out: Ifts. long-petioled. 

 fls. dioecious, in rather 

 }i). close panicles: jikenes 

 larger, in a dense glo- 

 bose head, short-stalked, obovoid, turgid, tapering into 

 reflexed styles. Summer. Sandy streams, Calif, to 

 Columbia river. K. C Davis. 



THAMNOCALAMUS. See Bamhoo, p. 127. 



THAMNOPTEEIS (Greek, btishy fern). Polypodi- 

 Aceie. A genus of simple -leaved ferns growing in 

 crowns, sometimes united with Aspleniura. The elon- 

 gate indusia are in parallel rows on the veins of the 

 banana-like Ivs., often extending nearly to the margins. 

 The veins are free below but are united at the apex by 

 a transverse intramarginal vein. 



Nidus, Presl. (Asplenittm and TTiamnSpteris mdnx- 

 Avis, Hort.). Bird's Nest Pern. Lvs. bright green, 

 growing in a crown, 2-4 ft. long, 3-9 in. wide, the mid- 

 rib rounded and usually green. Japan. East Indies. T. 

 strlctum, Hort. (Asplenfndrium strtctum, Hort.). is a 

 more slender, upright form said to be a garden hybrid 

 between T. Nidus and Selopendrium crispum. 



T. AustraUsicum, Hook. Differs from the above in 

 its midrib, which is keeled on the back and often black. 

 Sometimes regarded as a variety. Australia. 



L. M. Underwood. 



THASPIITH (name a play upon Tliapsia, another 

 genus of the same family). UmbeUiferir. Meadovp 

 Parsnip. A genus of 3 species of hardy perennial 

 herbs of eastern North America with ternately divided 

 leaves (or the lower undivided), and terminal. umbels 

 of yellow or purplish flowers. 



aireum, Nutt. Stem branched, 1% ft. high: root-lvs. 

 mostly cordate; stem-lvs. ternate; Ifts. ovate to lan- 

 ceolate, serrate: fls. yellow. June, July. Var. triJoli- 

 4tum, Coult. & Rose, with crenate lvs. or Ifts., is a com- 

 mon western form. Var. atropurptireum, Coult. & Rose, 

 fls. dark purple. The species is of easy culture in any 

 ordinary soil. In the wild state the plant grows in at 

 least partial shade. Well-grown plants, especially of 

 var. atropurpureum, make attractive specimens. 



F. W. Barclay. 



IH£A. 



Ten and Camelli, 



TH£L£SP£SHA 



often papillose). ('• 

 cies of annual or p<i 

 base, native to the . 

 South America. Tli' 

 Coreopsis, with muc 

 Hower-heads, typically yello 



ray 



fi<'pd; the seeds are 

 rims of about 8 spe- 

 !• ly shrubby at the 

 ' L-iuns of North and 

 li.jlis with aspect of 

 id long pedunculate 

 i and yellow, some- 



purplish or brownish, disk-flowers. The genu 

 may be separated from Coreopsis by the form of the 

 involucre, which is in : . lir. .,r In-Icts with the inner 

 series united to al" m •' • • ! ' int.. a cup, while in 

 Coreopsis the 2 sern - i ' ; :,n,| united only at 



the very base. The -...i-. .,.,.., i I ^ t lip outer ones of 

 the head, in Thelespeinia ait oiuu tuberculate. 



hjbridum, Voss {Cosmidium Burridqectnum, Hort.). 

 Kii;. L'l:i.->. A hardy annual, 1% ft. high, a hybrid of T. 

 filiniliinti and Coreopsis tinctoria, from the latter of 

 which it acquires the brown-purple color of its rays. 

 Lvs. bipinnately divided into filiform lobes not wider 

 than the stem. f_ -w^, Barclay. 



hybridum (Bower X %). 



THEOBEdMA. Commercial Cacao or " Cocoa '• is pro- 

 duced by trees belonging to the Linniean genus Theo- 

 broma. The estates devoted to its culture are usually 

 known as "Cacao plantations" and are largely on the 

 increase in all suitable climates, owing to the increased 

 demand for the manufactured article in the different 

 forms in which it is now prepared for consumption. 

 The larger proportion of commercial Cacao is produced 

 by Theobroma Cacao. Other species native to central 

 America and the West Indies are T. pentagona, T. spe- 



