116 XXV. RUTACEiG [Acronychla 



6. ACRONYCHIA Torst.: M. Brit. Ind. i. 498. 

 Species 17^ tropical Asia, CMnaj Japan, Australia, and Polynesia. 



A* laurifolia, Blume. — Syn. A. pedunculata^ Miq. ; Bedd. M. Sylv. 

 Manual t. vi. f . 4. ; Cyminosyna pechmculata^ DC. ; Wight 111. t. 65 (fl. 

 figured as 5-merous). 



A large evergreen shrul) or moderate-sized tree, very variable. Leaves 

 opposite, glabrous, 1-foliolate, quite entire. Fl. polygamous, 4-merous, white 

 or yellowish green, fragrant, in axillary pedunculate trichotomous cymes. 

 Petals linear, more or less villous within. Stamens 8, filaments subulate, 

 hairy at base, inserted outside a thick 8-grooved tomentose disk, those 

 alternating with petals longer. Ovary tomentose 4-celled, ovules 2 in each cell, 

 superposed. Pniit globose, often grooved at top, |-V in. diam., 3-5-seeded. 

 Albumen copious, cotyledons oblong, flat. 



Eastern Diin, rare (Kanjilal F. FL, 50). Sikkim to 4,000 ft., Assam, Chittagong, 

 Pegu, Tenasserim, Aaclamans. Western Ghats, from North Kanara southwards, 

 Palni and Anamalai hills. PL Jxine-December. Ceylon, Malay Peninsula and 

 Archipelago. Cochinchina. 



7. SKIMMIA, Thunb. ; El. Brit. Ind. i. 499. 

 Species B, Himalaya, China, and Japan. 



S. Laureola, Sieb. and Zucc; Brandis F. Fl. 50. — Syn. Limonia Laureolai 

 Wall. PL As. Ear. t. 245. Vern. IsFcr^ Nehar, Gtcrljpata, N.W. Him. ; Patrang^ 

 Kunawar ; Chtimlani^ N"ep. 



A gregarious, evergreen, wholly glabrous, strongly aromatic shrub, small in 

 the N.W., often a small tree in Sikkim, wood white, close-grained. L. alter- 

 nate, simple, quite entix^e, midrib prominent. FL bright yellow (greenish-yellow 

 or white in Sikkim), pentamerous, polygamous, in short crowded temuinal 

 panicles. Stamens 5, alternating with petals. Fr. ellipsoid, red (black in 

 Sikkim), |-| in. long, fleshy, with 1-3 cartilaginous 1-seeded kernels. Albu- 

 men fleshy, cotyledons flat. 



Himalaya, from the Indus eastward, 5,000-11,000 ft. FL April, May. Fr. Oct., Nov. 

 Afghanistan. The Japanese species, S. Jajjonica, Thunb , united with this in Engler xi. 

 Prantl iii. 4. 181, has 4-meroiis flowers. 



8. ZANTHOXYLUM, Linn.; FL Brit, Ind. i. 492. {Xantlioxylum 

 and Fagara^ Engler u. Prantl iii. 4. 115.) 



Shrubs or trees, nearly always armed, prickles on stems and branches 

 geierally on a corky conical base. L, alternate, 3-foliolate or imparipinnate. 

 FL small, generally unisexual, and 4~5"merous. Either (Fagara) with sepals 

 and petals, the former smaller, or {Zanthoxyhim) a perigonium of 5-8 leaves. 

 Stamens in all cases alternate with petals or perigonium leaves. Ovary 

 of 1-5 distinct oblique 1-celled carpels, styles sometimes connate at the apex. 

 Eipe carpels 1-5, globose, generally coriaceous, dehiscing ventrally. Seeds 

 shining, blue or black. Embryo in a fleshy albumen, radicle short, cotyledons 

 flat. Species 140 in tropical and subtropical regions . 



A. Common petiole winged, perigonium of 5-8 leaves. Leaves imparipin- 

 nate. 



1. Z. alatum, Roxb.; Brandis F. Fl. 47. Tern. Tezbal^ Hind.; Timhar, 

 Timru, Bashahr, Jaunsar ; Timur^ Nep. 



A shrub, at times a small tree, almost entirely glabrous, wood white, close- 

 graiuedj prickles shining, strong, broad and flat on branchlets petioles and 



