CYPERACE^; 223 



lateral sepals spreading. Lip linear, entire, obtuse. Spur slender, filiform, 

 curved, twice length of ovary. Pollinia usually parallel. 



Woods and shady places in the hills, fairly common. May-June. 



H. montana Durand et Schinz. Differs from the last in being rather 

 taller and having 2 or 3 large leaves. Pollinia broadly converging (not parallel). 

 Flowers larger, greenish-white, less scented. Lip lanceolate acute. Spur fili- 

 form, club-shaped. 



Mountain woods and grassy places, rare. May-June. Forest of Sainte-Baume, 

 Ampus, La Sauvette (Var), Brans, Berre, Mont Mulace" above Menton. 



H. viridis Br. (Frog Orchis) grows in the Maritime Alps, but very rarely 

 descends below 1000 m. 



PALMACE^E. 



Chamasrops humilis formerly grew as a probable native on the rocks 

 between Monaco and Mont Alban, but 's now extinct. The two commonest 

 Palms which have been planted on the Riviera are the tall Date Palm (Phoenix 

 dactylifera) and P. canariensis (Plate XXXII). 



CYPERACE^E. 



Tribe I. SCIRPE/E. Spikelets simple, many flowered ; flowers hermaphrodite, 

 bracteoles absent. Perianth o, or of scales or bristles. 



Spikelets compressed ; glumes distichous, deciduous CYPERUS. 



Spikelets usually clustered and lateral. Bristles o or 3-8 included SCIRPUS 



Spikelet solitary, terminal. Bristles 3-8 included HELEOCHARIS. 



Scales imbricate all round, lower larger. Style compressed ciliate, base 

 enlarged. Spikelets ovoid. Stigmas 2, fringed. The only French species 

 is a small annual FIMBRISTYLIS. 



Tribe II. RHYNCHOSPORE^. "Spikelets" cymose, one to few flowered, 

 upper flower hermaphrodite or male. Perianth o or of bristles. 



Spikelets compressed ; glumes distichous. Bristles various or o. Nut not 

 beaked SCHCENUS. 



Spikelets terete. Bristles o. Nut obtuse CLADIUM. 



Tribe III. CARICE-^E. Spikelets terete, 1-2 sexual, rarely dioecious, many fld., 

 solitary or in heads, spikes, or panicles. Flowers unisexual ; male naked ; 

 female enclosed in a perigynium CAREX. 



CYPERUS L. 



C. fuscus L. Small Brown Cyperus. A 'dwarf annual species with 

 corymbose or capitate spikelets. Leaves flat and grass-like. Stem triquetrous. 

 Rays few, short and usually simple. Spikelets crowded, slender, yellowish. 

 Glumes many ; oblong-ovate, subacute. Nut minute, white. 



Damp sandy places, fairly common on the littoral. June-August. 



C. aureus Ten. Spikelets reddish-yellow, 6-12 mm. long. Stem triquetrous, 

 a foot or more high. Leaves linear, keeled (4-8 mm.). Scales loosely im- 

 bricate, obtuse, reddish. Stamens and stigmas 3. Nut triquetrous, half length 

 of the scale. Rhizomes with occasional subglobular tubers. 



Sandy places near Toulon and Menton, rare. August-September. 



C. rotundus DC. = C. olivaris Targ. Allied to the last. Stems slender, 

 triquetrous. Leaves numerous, long, 2-6 mm. broad, keeled. Rays 4-10 erect, 

 very unequal, equal to or shorter than the 2-4 leaf-like bracts. Spikelets reddish- 

 brown, linear, 10-20 mm. long. Scales densely imbricate, subacute, feebly 

 nerved. Stigmas 3. Rhizomes with a few blackish ovoid tubers. 



Damp, sandy places. July-October. 



C. longus L. Galingale. Stems 2-3 ft. high, stout, erect, triquetrous, leafy 

 at base. Leaves few, flat, keeled. Rays many, slender, again umbellate. 

 Bracts leaf-like, longer than the rays. Spikelets linear, curved, distichously 



