6o8 SILIQUAMOMUM 



Siliquamomum Baill. Zingiberaceae (i). i Tonquin. 



Silk cotton tree, Eriodendron ; -grass (W.I.), Mditlarium; -weed, 

 Asclepias. 



Silkworms, plants for, Ailanthus, Lactuca, Madura, Morns. 



Silky bent grass, Apera; -oak (Austr.), Grevillea. 



Silphiosperma Steetz (Brachycome Cass.). Compositae (3). i Austr. 



Silphium L. Compositae (5). 13 E. U.S. S. laciniatum L. is the 

 ' compass-plant ' of the prairies. In an exposed position its 1. turn 

 their edges to N. and S. and avoid the mid-day radiation. (Cf. 

 Lactuca.) Cult. orn. rl. 



Silvaea Phil. Portulacaceae. 4 Chili. 



Silver bell tree (Am.), Halesia; -berry (Am.), Elaeagnus argentais 

 Pursh ; -fir, Abies, Ficea; -tree, Leitcadendron; -weed, Potentilla 

 Amentia L. 



Silvia Allem. (Neosilvia Pax; Endiandra BH., Mezilaurus EP.). 

 Lauraceae (n). 2 Brazil. Wood useful. 



Silvia Benth. Scrophulariaceae (ill. 2). 2 Mexico. 



Silviantnus Hook. f. Rubiaceae (i. 2). i E. Bengal. 



Silvorchis J. J. Smith. Orchidaceae (li. i). i Java. 



Silybum Vaill. ex Adans. Compositae (u). 2 Medit. S. Marianum 

 Gaertn. (milk-thistle, Brit.) is now widely distributed over the pampas, 

 where it was introduced. 



Simaba Aubl. Simarubaceae. 20 trop. S. Am. 



Simaruba Aubl. Simarubaceae. 6 trop. Am., W.I. 



Simarubaceae (EP.; BH. incl. Brunelliaceae, Cneoraceae, Koeberlini- 

 aceae). Dicots. (Archichl. Geraniales). 28 gen., 125 sp., trop. and 

 subtrop. Shrubs and trees with alt. pinnate or simple 1., never gland- 

 dotted. Fls. small, reg. , ?. often oo , in axillary compound panicles 

 or cymose spikes. K and C 3 -y-merous. K free or more often 

 united; C imbr. or rarely valv.; disc between sta. and ovary ring- or 

 cup-like, sometimes enlarged into a gynophore ; A twice as many as 

 petals, obdiplost. , often with scales at the base; G (4 5) or less, often 

 free below and united by the style or stigma; ovules usu. I in each 

 loc. as in Rutaceae. Schizocarp or caps. ; endosp. thin or none : 

 embryo with thick cots. A few yield useful timber. Chief genera : 

 Simaruha, Ailanthus. 



Simarubeae ( BH.) = Simarubaceae. 



Simarubopsis Engl. Simarubaceae. r Togoland. 



Simbuleta Forsk. (Anarrhinum Desf.). Scrophulariaceae (n. 3). 12 

 Medit., W.As., Abyssinia. 



Simethis Kunth. Liliaceae (in), i Brit., W. and S. Eur. 



Simuiondsia Nutt. Buxaceae. i California. 



Simocheilus Klotzsch. Ericaceae (iv. 2). 40 S. Afr. 



Simple fruit, one indivisible fr. from one rl. ; -L, with r blade. 



Simplicia T. Kirk. Gramineae (8). i New Zealand. 



Simsia R. Br. Proteaceae (i). 5 W. Austr. 



Sinapis L. (Brassica p.p. BH.). Cruciferae (2). 5 Medit., Eur. S. 

 ari'ensis L. (charlock) is an abundant weed of cult. ; our cornfields 

 are yellow with it in summer. 6". alba L. is the white mustard. 



Sinapodendron Lowe (Brassica p.p. BH.). Crucif. (2). 5 Madeira, &c. 



Sincoraea Ule. Bromeliaceae (4). i Bahia. 



