562 FLORA OF MADRAS. [Polyaygus. 



9. Polyzygus, Dalz. 



A glabrous herb with tuberous root. Leaves ternately and 

 pinnately decompound, the segments pinnatifid. Flowers small f 

 white, in compound umbels ; involucral bracts very few or - 

 bracteoles few, small, setaceous. Calyx-teeth small or the outer 

 slightly larger. Petals obovate with an inflexed acumination. 

 Styles slender. Fruit small, ovoid, terete, broad at the commis- 

 *sure ; mericarps seniiterete, the primary ridges obscure, furrows- 

 between them broad, 1-3-vittate ; carpophore bipartite. Seed 

 semiterete, flat on the inner face. 



POLYZYGUS TUBEROSUS, Dalz. ; F. B. I. ii. 698. 

 W. Ghats, Canara and Mysore (Law). 



A weak herb with membranous leaves and tuberous root,, 

 very little known. 



10. Peucedanum, Linn. 



Perennial herbs. Leaves pinnately or ternately decompomid r 

 the ultimate segments lanceolate or ovate, rarely linear, entire or 

 toothed. Flowers white yellow or rarely pink, often polygamous, 

 in compound umbels usually with many rays ; bracts of various 

 shapes; bracteoles many, few or 0. Calyx with entire or subentire 

 limb ; teeth small. Petals obovate or cuneate, inflexed at the 

 tip, entire or emarginate. Di*li undulate, the stylopods usually 

 small. Ovary glabrous. Fruit much dorsally compressed,, 

 elliptic oblong or orbicular ; mericarps slightly convex on the 

 back, their margins more or less acutely winged ; the dorsal 

 ridges little elevated ; vittae usually solitary in the dorsal furrows, 

 2-6 on the commissure. Seed flat, the inner face flat. 

 Leaflets oblong or oblanceolate, entire ; mericarps elliptic, %3 in, 

 long, "2 in. broad, with thick dark margins; dorsal furrows l-vittate r 

 lateral 2-vittate, commissure 2-vittate, vittae not conspicuous. 



1. Dhana. 



Leaflets linear-lanceolate, distantly serrate ; mericarps orbicular, 

 "2 in. in diam., the margins pale and rather thin ; dorsal furrows 1- 

 vittate, lateral 1-2-vittate, commissure 4-6-vittate, the vittae con- 

 spicuous but often short 2. anamallayense, 



1. PEUCEDANUM DHANA, Ham.; F. B. I. ii. 709, var. Dalzellii, 

 C. B. Clarke. 



E. Ghats, in Ganjam (Barber) and the Madgol Hills of 

 Yizagapatam, at 3,000 ft. (A. W. Lushington). 



