305 



21. Spikelets short 22. 



Spikelets 1-3 inches long 23. 



22. Ripe utricles divaricate 21. graciliflora. 



Ripe utricles ascending 22. cryptostachya. 



23. Spikelets several from each node ... 23. hrunnea. 

 Spikelets solitary at the nodes ... 24. longipes. 



1. €. scaposa, C. B. Clarke in Bot. Mag. t. 6940. Maonshan, 



Hongkong New Territory ; Kwaisin, Hoifung ; East 

 River ; Lofoushan. Fl. October. 



2. C. Ijaccans, Nees ; C. B. Clarke in Hook. f. Fl. Brit. Ind. vi. 



722. Taimoshan at 1500 ft., Hongkong New Territory. 

 Fl. Spring. 



3. C. cruciata, Wahlenb. ; C. benghalensis, Roxb. ; Benth. Fl. 



Hongk. 401. Hongkong without locality ; Kuntong, 

 Hongkong New Territory ; White Cloud hills, Canton ; 

 Lienchow River. Fl. August. 



4. C. gibba, Wahlenb. ; Kiikenth. in Engl. Pflanzenr. Cyper.- 



Caric. 238. Chaochaufu. Fl, April. 



5. C. hanensis, Dunn sp. n., C. Spachianae, Boott, affinis, spicis 



superioribus ovatis distincta. 



Herba caespitosa, 30-40 cm. alta, glabra. Folia omnia basalia, 

 fibris foliorum vetustiorum cincta, 30 cm. longa, 3 mm. 

 lata, marginibus minute scabris, apice filiformia. Scapi 

 20-30 cm. longi, basi foliis vaginati. Spicae 4-5 ; siiperi- 

 orum androgynarum sessilium ebracteatarum pars foemina 

 apicalis fructu ovata, pars mascula basalis aequilonga ; 

 inferiores distantes, in axillis bractearum longarum foliace- 

 arum graciliter pedunculatae, foemineae ; infima inter 

 folia basalia oriens ; bractearum vaginae 1*5 cm. longae. 

 Gluma f oeminea 3-4 mm. longa, oblonga, obtusa, scariosa, 

 uninervis. Utriculus ovatus, ventricosus, in rostrum gra- 

 cile acuminatus, 6-7 mm. longus, membranaceus, omnino 

 glaber, pallidus, obscure paucinervis, rostro 2 mm. longo 

 breviter bidentato. Nux trigonus, 1*5 mm. longus, stipi- 

 tatus ; stipes nuce paullo brevior. Styli 3. 



Dry hills in the lower Han valley, Yit-hai, 10.4.1909. Dunn's 

 Han Expedition, Herb. Hongk. n. 5878. 



6. C. Spachiana, Boott ; Franch. in Nouv. Arch. Mus. ser. ix. 137. 



River banks near Chaochaufu ; Macao. Fl. April. 



7. C. pumila, Thunb. ; Benth. 1. c. 402. Dunes, Hongkong with- 



out locality. Fl. Spring. 



8. C. chinensis, Retz. ; Benth. 1. c. 402. Victoria Peak, and 



abundant in ravines, Hongkong ; hedges near Chaochaufu ; 

 Macao. Fl. April. ' 



9. C. canina, Dunn in Journ. Bot. 1910, 325. Lantao Island, 



Hongkong New Territory. March. 



10. C. fusiformis, Nees ; C. B. Clarke 1. c. 736. Han Valley near 



Chaochaufu. Fl. March. 



11. C. Phoenicis, Dunn sp. n., C. tenebrosae, Boott affinis, spicis 



unisexualibus utriculoque breviter bifid o differt. 

 Herba stolonifera, rigida, 50-70 cm. alta, glabra. Folia omnia 

 basalia, 60 cm, Ipngaj 7-8 yam, lata, marginibus minute 



215J5 U 



